LOCAL CLIMATOLOGICAL DATA Monthly Summary
September 2019
Station: KPWR Portsmouth, Virginia Latitude: 36° 59' 09" N Longitude: 76° 33' 00" W Elevation (ground): 13 feet Time Zone: Eastern +--+-------------------------------+----+---------+---------+--+-----------+--------------------+-----------------------------+------+ | | Temperature | |Deg. Days|Precip Ty| | Precip | Pressure | Wind |Solar | | +------+------+------+------+---+ Hu-+----+----+1 fog | S+-----+-----+ Adj. to Sea Level +----+----+---+-------+-------+------+ | | M | M | A | | |mid-| H | C |2 hvy fog| n| | Ice +------+------+------+ Avg| Res|Res| Peak |2Minute| Mean | | | a | i | v | | D | ity| e | o |3 thunder| o|Water| plts| | | | | | +---+---+---+---+ W | | | x | n | e | | e | | a | o |4 ice plt| w| | | | | | S | S | | S | | S | | a | | D| i | i | r | M | w | M | t | l |5 hail | | E | S | | | M | p | p | | p | | p | | t | | a| m | m | a | e | | e | i | i |6 glaze | C| q | n | M | M | e | e | e | D | e | D | e | D | t | | t| u | u | g | a | P | a | n | n |7 duststm| v| u | o | a | i | a | e | e | i | e | i | e | i | s | | e| m | m | e | n | t | n | g | g |8 smk, hz| r| v | w | x | n | n | d | d | r | d | r | d | r | m^2 | | | | | | | | | | |9 blw snw| | | | | | | | | | | | | | | | 1| 2 | 3 | 4A | 4B | 5 | 6 | 7 | 8 | 9 |10| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18| 19| 20| 21| 22| 23 | +--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+ |01| 85.2 | 68.8 | 77.0 | 77.9 | 71| 82| 0| 12|.........| 0| 0.00| 0.0| 30.21| 30.12|30.175| 5.1| 4.7| 67| 21| N| 0| 0| | |02| 89.2 | 74.2 | 81.7*| 80.6 | 74| 82| 0| 17|.........| 0| 0.00| 0.0| 30.12| 29.94|30.026| 3.5| 2.9|156| 21|SSE| 0| 0| | |03| 86.6 | 70.2 | 78.4 | 77.7 | 74| 88| 0| 14|.........| 0| 0.00| 0.0| 30.01| 29.96|29.988| 4.5| 1.8| 81| 20|ENE| 0| 0| | |04| 89.4 | 70.6 | 80.0 | 80.4 | 75| 86| 0| 15|1......8.| 0| 0.00| 0.0| 30.03| 29.93|29.974| 3.2| 3.0|202| 17| S| 0| 0| | |05| 86.3 | 75.3 | 80.8 | 79.6 | 76| 89| 0| 16|.........| 0| 0.05| 0.0| 29.97| 29.76|29.899| 6.9| 6.0| 69| 27| E| 0| 0| | | | | | | | | | | | | | | | | | | | | | | | | | | |06| 77.3 | 65.6 | 71.4 | 72.0 | 71| 96| 0| 7|.........| 0| 1.63| 0.0| 29.80| 29.51|29.644|14.3|11.3| 19| 52| NE| 0| 0| | |07| 84.7 | 63.8 | 74.3 | 72.6 | 68| 86| 0| 10|1......8.| 0| 0.00| 0.0| 29.95| 29.80|29.871| 3.1| 1.6|213| 16|SSE| 0| 0| | |08| 87.0 | 68.4 | 77.7 | 76.7 | 74| 91| 0| 13|1......8.| 0| 0.00| 0.0| 30.06| 29.96|30.006| 4.1| 2.5| 60| 19| NE| 0| 0| | |09| 82.1 | 73.4 | 77.8 | 77.1 | 74| 89| 0| 13|1......8.| 0| 0.00| 0.0| 30.21| 30.06|30.132| 5.2| 5.1| 60| 19|ENE| 0| 0| | |10| 83.1 | 70.2 | 76.6 | 76.1 | 71| 84| 0| 12|.........| 0| 0.00| 0.0| 30.30| 30.20|30.256| 4.1| 3.3| 72| 20|ENE| 0| 0| | | | | | | | | | | | | | | | | | | | | | | | | | | |11| 88.1 | 66.4 | 77.3 | 77.0 | 71| 84| 0| 12|1......8.| 0| 0.00| 0.0| 30.27| 30.09|30.186| 3.3| 2.9|203| 17| S| 0| 0| | |12| 91.3*| 71.8 | 81.6 | 81.0 | 74| 81| 0| 17|.......8.| 0| 0.00| 0.0| 30.10| 30.02|30.064| 4.0| 1.7|231| 15| S| 0| 0| | |13| 79.6 | 72.6 | 76.1 | 74.3 | 71| 90| 0| 12|..3......| 0| 0.63| 0.0| 30.30| 30.09|30.233| 8.9| 8.1| 67| 34|ENE| 0| 0| | |14| 85.9 | 68.1 | 77.0 | 76.6 | 72| 85| 0| 12|.......8.| 0| T | 0.0| 30.27| 30.16|30.217| 4.7| 2.7|104| 18|SSE| 0| 0| | |15| 85.0 | 70.0 | 77.5 | 77.3 | 72| 86| 0| 13|1......8.| 0| T | 0.0| 30.15| 30.05|30.106| 3.2| 2.1| 94| 17|SSE| 0| 0| | | | | | | | | | | | | | | | | | | | | | | | | | | |16| 84.3 | 69.5 | 76.9 | 76.5 | 71| 85| 0| 12|1........| 0| 0.00| 0.0| 30.07| 29.94|30.008| 3.3| 2.0| 58| 16|NNW| 0| 0| | |17| 80.1 | 68.9 | 74.5 | 73.6 | 68| 82| 0| 10|.........| 0| T | 0.0| 30.06| 29.93|30.003| 7.5| 7.4| 61| 30|ENE| 0| 0| | |18| 74.0 | 66.7 | 70.3 | 69.9 | 58| 66| 0| 6|.........| 0| 0.00| 0.0| 30.19| 30.05|30.123|11.5|11.0| 47| 29| NE| 0| 0| | |19| 70.8 | 57.6 | 64.2 | 66.5 | 56| 69| 0| 0|.........| 0| 0.00| 0.0| 30.28| 30.19|30.245| 8.8| 8.5| 46| 24| NE| 0| 0| | |20| 76.7 | 51.1 | 63.9 | 63.4 | 56| 79| 1| 0|.........| 0| 0.00| 0.0| 30.32| 30.22|30.268| 3.3| 0.8|186| 15| S| 0| 0| | | | | | | | | | | | | | | | | | | | | | | | | | | |21| 83.4 | 54.9 | 69.2 | 68.9 | 62| 80| 0| 4|.........| 0| 0.00| 0.0| 30.28| 29.54|30.208| 3.6| 2.2|224| 34|NNW| 0| 0| | |22| 86.7 | 63.5 | 75.1 | 74.4 | 66| 76| 0| 11|.........| 0| 0.00| 0.0| 30.24| 30.08|30.150|14.0| 3.8|225| 21| SW| 0| 0| | |23| 86.9 | 65.2 | 76.1 | 75.3 | 68| 78| 0| 11|.........| 0| 0.00| 0.0| 30.07| 29.86|29.966| 6.3| 5.2|211| 22| SW| 0| 0| | |24| 81.7 | 66.7 | 74.2 | 75.5 | 66| 74| 0| 10|.........| 0| 0.00| 0.0| 29.90| 29.81|29.851| 5.7| 2.6| 21| 21| NE| 0| 0| | |25| 81.8 | 58.4 | 70.1 | 70.1 | 61| 74| 0| 5|1........| 0| 0.00| 0.0| 29.97| 29.87|29.904| 4.0| 0.9|178| 18|SSE| 0| 0| | | | | | | | | | | | | | | | | | | | | | | | | | | |26| 89.7 | 67.1 | 78.4 | 77.9 | 71| 80| 0| 14|.........| 0| 0.00| 0.0| 29.90| 29.76|29.836| 5.7| 3.3|216| 21|SSW| 0| 0| | |27| 83.3 | 72.9 | 78.1 | 77.3 | 66| 69| 0| 13|.........| 0| 0.00| 0.0| 30.10| 29.91|30.041| 6.7| 4.9| 89| 23|ENE| 0| 0| | |28| 89.5 | 73.0 | 81.3 | 80.1 | 73| 81| 0| 17|.......8.| 0| 0.00| 0.0| 30.13| 30.06|30.086| 5.0| 4.3|200| 19|WSW| 0| 0| | |29| 84.2 | 71.1 | 77.6 | 76.7 | 73| 88| 0| 13|.......8.| 0| 0.00| 0.0| 30.21| 30.08|30.143| 7.0| 4.5| 63| 23|ENE| 0| 0| | |30| 77.8 | 69.1 | 73.4 | 73.4 | 67| 81| 0| 9|.......8.| 0| 0.00| 0.0| 30.22| 30.16|30.183| 6.6| 6.5| 64| 22|ENE| 0| 0| | +--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+ | Sum | Sum |------|------|---|----| Ttl| Ttl| |Total|Total| For the month: | ---- | +------+------+------+------+---+----+----+----+ Number of +-----+-----+------+------+------+----+----+---+---+---+---+---+------+ |2511.7|2025.1|------|------|---|----| 1| 330| Days | 2.31| 0.0| 30.32| 29.51|30.060| 5.9| 2.2| 83| 52| NE| 0| 0| ---- | +------+------+------+------+---+----+----+----+------------|-3.17" or 42% of normal +------+----+----+---+---+---+---+---+------+ | Avg | Avg | Avg | Mean |Avg| Avg|----|----|Precip | Season Ttl| Date | Date |------|----|----|---| Date | Date | Avg | +------+------+------+------+---+----+----+----+ +-----+-----+------+------+------+----+----+---+-------+-------+------+ | 83.7| 67.5| 75.6 | 75.2 | 69|82.1|----|----|≥.01 Inch 3|41.11| 0.0| 20 | 22 |------|----|----|---| 6 | 1+ | | + +2.8 +2.7 +2.8 ------+------+------+---+----+----+----|+0.99 or 102% of normal +------+----+----+---+-------+-------+------+ | | Season |Snow, Ice | | | | Number of Days | to Date |≥1.0 Inch 0| Greatest in 24 Hours and Dates | Greatest Depth on Ground | +------------------+-----------------+----+----+------------+--------------+-----------------+ of Snow, Ice Pellets or Ice | | Max Temperature | Min Temperature | 1|2098|Thunder 1|Precipitation | Snow, Ice Plts | and Date | +--------+---------+--------+--------+----+----+------------+-------+------+---------+-------+-------------+----------------------+ | ≥90°F | ≤32°F | ≤32°F | ≤0°F |----|----|Heavy Fog 0| 1.68| 5- 6| 0.0 | - | 0 | - | +--------+---------+--------+--------+----+----+------------+-------+------+---------+----+--+-------------+----------------------+ | 3 | 0 | 0 | 0 |----|----| Clear 17 Partly Cloudy 11 Cloudy 2 | +--------+---------+--------+--------+----+----+------------------------------------------+ NOTES: Data in column 4A are (MAX+MIN) / 2, whereas data in columns 4B, 5, 6, 15, 16, 23 are means via continuous observations Units are: Temperature=°F, Wind=mph, Pressure=Inches Hg, Precipitation=inches. for 24 hours. Column 5: Dew point is calculated from temperature and humidity and is continuously averaged for 24 hours. Columns 7, 8: Degree Days heating base is 65°F, cooling base is 65°F. Data in columns 9, 10, 12 are entered manually by the station observer. Columns 17-18: Resultant wind is calculated by the vector sum of continuous wind observations. Data in columns 4B, 5, 6, 15, 16, 23 are updated continuously, there by achieving a "true" mean. OBSERVER NOTES: FROPA: 3rd, 6th, 7th, 13th, 15th,17th,24th,26th,WARMFROPA 28th, 29th
DAILY STATION RECORDS:
13th - WIND GUST 34MPH [previous 32mph 2018]
28th - TEMPERATURE TIED Maximum Lo 73 [previous 2015]

   MONTHLY AVERAGE MAXIMUM TEMP OF 83.7 WAS  2.8 ABOVE NORMAL
   MONTHLY AVERAGE MINIMUM TEMP OF 67.5 WAS  2.7 ABOVE NORMAL
   MONTHLY AVERAGE TEMPERATURE  OF 75.6 WAS  2.8 ABOVE NORMAL

   MAXIMUM TEMP:  91 on the 12th
   MINIMUM TEMP:  51 on the 20th

   DAYS WITH TEMPERATURES:
        MAXIMUM >= 90:   3
        MAXIMUM <= 32:   0
        MINIMUM <= 32:   0
        MINIMUM <=  0:   0

   HEATING DEGREE DAYS:    1.5 
   COOLING DEGREE DAYS:  319.5

   DAYS WITH HEATING DEGREE DAYS:    2
   DAYS WITH COOLING DEGREE DAYS:   28

   PRECIP TOTAL OF  2.31" WAS 3.17" BELOW NORMAL ( 42% OF NORMAL )
   
   GREATEST DAILY RAINFALL:    1.63" on the  6th   
   GREATEST 24-HOUR RAINFALL:  1.68" on the 5th-6th

   DAYS WITH MEASUREABLE PRECIP:  3 OF 31 DAYS OR 10.0% 
   AVERAGE DAILY PRECIP: 0.08"
   NORMAL DAILY PRECIP:  0.18"
                                   
   DAYS WITH PRECIP >= 0.01"     3 
   DAYS WITH PRECIP >= 0.10"     2 
   DAYS WITH PRECIP >= 0.50"     2
   DAYS WITH PRECIP >= 1.00"     1

   DAYS WITH THUNDERSTORMS:   1   
   NUMBER OF THUNDERSTORMS:   1 

   DAYS WITH SNOW:     0
   SNOWFALL TOTAL:     0 
   SEASONAL SNOWFALL 2018-2019 (beginning November 2018): TRACE 

   CLOUDY DAYS:           2
   PARTLY CLOUDY DAYS    11 
   SUNNY/CLEAR DAYS:     17
   DAYS WITH F/GF:        8
   DAYS WITH DENSE FOG:   0 
   DAYS WITH FROST:       0

   YEAR-TO-DATE

   YEARLY  AVERAGE MAXIMUM TEMP OF 75.1 WAS 2.6 ABOVE NORMAL
   YEARLY  AVERAGE MINIMUM TEMP OF 56.7 WAS 2.5 ABOVE NORMAL
   YEARLY  AVERAGE TEMPERATURE  OF 65.9 WAS 2.6 ABOVE NORMAL

   MAXIMUM TEMP: 100 on July 20, July 21st 
   MINIMUM TEMP:  19 on January 22nd 

   DAYS WITH TEMPERATURES:
        MAXIMUM >= 90:   57
        MAXIMUM <= 32:    1
        MINIMUM <= 32:   29
        MINIMUM <=  0:    0

   HEATING DEGREE DAYS:   1799.5
   COOLING DEGREE DAYS:   2044.0

   DAYS WITH HEATING DEGREE DAYS:  106
   DAYS WITH COOLING DEGREE DAYS:  166
                               
   PRECIP TOTAL OF 41.11" WAS 0.99" ABOVE NORMAL ( 102% OF NORMAL).

   GREATEST DAILY RAINFALL:     3.27" on June 7th  
   GREATEST 24-HOUR RAINFALL:   3.45" on June 7th - 8th
   DAYS WITH MEASUREABLE PRECIP:  100 of 273 or 36.63%

   AVERAGE DAILY PRECIP: 0.15" 
   NORMAL DAILY PRECIP:  0.15"

   DAYS WITH PRECIP >= 0.01"   100
   DAYS WITH PRECIP >= 0.10"    60
   DAYS WITH PRECIP >= 0.50"    32
   DAYS WITH PRECIP >= 1.00"    10

   DAYS WITH THUNDERSTORMS:  29
   NUMBER OF THUNDERSTORMS:  32 
                                  
   DAYS WITH SNOW  (calendar year 2019):    2
   SNOWFALL TOTAL  (calendar year 2019):  TRACE 
   SEASONAL SNOW 2018-2019 (beginning November 2018):  TRACE
    
   CLOUDY DAYS:          42
   PARTLY CLOUDY DAYS:  106 
   SUNNY/CLEAR DAYS:    125
   DAYS WITH F/GF:       39 
   DAYS WITH DENSE FOG:   0
   DAYS WITH FROST:      20
OBSERVATIONS AT 3-HOUR INTERVALS
September 2019: KPWR Portsmouth, Virginia
+--+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | T | | | Wind | | | | T | | | Wind | | | | T | | | Wind | | | | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+ | | | | a | m | D | | D| | | | | a | m | D | | D| | | | | a | m | D | | D| | | | | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | | | | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | | | | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | | | | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | | | H| h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G | | o| i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u | | u| n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s | | r| e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 1 | SEP 2 | SEP 3 | | | | | |01| |30.20| 0.00| 72| 67| 84|13| 0| 4| |30.12| 0.00| 75| 73| 94|15| 0| 10| |29.98| 0.00| 74| 72| 92|18| 4| 7| |04| |30.17| 0.00| 69| 67| 92|13| 0| 5| |30.06| 0.00| 75| 74| 97|15| 0| 5| |29.96| 0.00| 71| 70| 96|22| 0| 5| |07| |30.19| 0.00| 73| 72| 98|04| 5| 13| |30.08| 0.00| 75| 74| 98|06| 0| 5| |29.99| 0.00| 70| 69| 97|00| 0| 0| |10| |30.21| 0.00| 80| 71| 75|04| 10| 21| |30.07| 0.00| 79| 76| 90|09| 4| 6| |30.01| 0.00| 77| 75| 93|24| 4| 7| |13| |30.20| 0.00| 84| 69| 60|06| 7| 18| |30.03| 0.00| 87| 74| 64|15| 6| 16| |29.98| 0.00| 86| 76| 73|33| 6| 14| |16| |30.16| 0.00| 85| 73| 68|06| 6| 16| |29.97| 0.00| 89| 73| 60|15| 6| 15| |29.98| 0.00| 84| 76| 76|06| 10| 18| |19| |30.16| 0.00| 81| 74| 79|06| 6| 16| |29.95| 0.00| 87| 76| 69|15| 10| 21| |29.99| 0.00| 81| 76| 83|13| 5| 15| |22| |30.14| 0.00| 77| 75| 91|06| 5| 14| |29.97| 0.00| 78| 73| 83|15| 5| 12| |30.01| 0.00| 77| 74| 91|15| 5| 7| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 4 | SEP 5 | SEP 6 | | | | | |01| |29.99| 0.00| 74| 73| 96|13| 0| 5| |29.95| 0.00| 78| 76| 92|15| 4| 11| |29.74| 0.00| 77| 75| 92|04| 15| 28| |04| |29.98| 0.00| 72| 71| 97|09| 0| 5| |29.94| 0.00| 76| 75| 96|18| 0| 5| |29.64| 0.18| 76| 75| 98|04| 16| 30| |07| |30.02| 0.00| 71| 70| 98|00| 0| 0| |29.95| 0.00| 76| 76| 99|13| 0| 5| |29.54| 0.25| 74| 74|100|04| 19| 48| |10| |30.03| 0.00| 79| 78| 99|20| 4| 12| |29.94| 0.00| 82| 79| 91|15| 5| 11| |29.51| 0.12| 71| 69| 95|04| 21| 52| |13| |29.97| 0.00| 88| 79| 73|22| 5| 14| |29.92| 0.00| 85| 73| 66|06| 6| 16| |29.54| 0.10| 72| 72| 99|33| 16| 34| |16| |29.95| 0.00| 89| 77| 67|22| 5| 15| |29.88| 0.00| 82| 77| 85|06| 11| 22| |29.64| 0.00| 69| 69| 98|31| 15| 29| |19| |29.93| 0.00| 88| 79| 75|18| 5| 14| |29.85| 0.00| 78| 77| 95|06| 12| 24| |29.75| 0.00| 70| 68| 91|33| 13| 28| |22| |29.95| 0.00| 81| 77| 87|20| 4| 11| |29.80| 0.00| 78| 76| 93|06| 12| 24| |29.79| 0.00| 69| 67| 93|33| 5| 17| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 7 | SEP 8 | SEP 9 | | | | | |01| |29.80| 0.00| 65| 64| 97|33| 0| 5| |29.97| 0.00| 70| 68| 94|11| 0| 5| |30.06| 0.00| 76| 75| 96|06| 4| 11| |04| |29.81| 0.00| 64| 64| 99|33| 0| 5| |29.96| 0.00| 68| 68| 97|06| 0| 4| |30.06| 0.00| 74| 74| 97|04| 4| 10| |07| |29.86| 0.00| 64| 64| 99|33| 0| 4| |30.00| 0.00| 70| 69| 99|11| 0| 6| |30.10| 0.00| 74| 73| 96|06| 0| 6| |10| |29.89| 0.00| 70| 69| 98|29| 4| 7| |30.03| 0.00| 77| 77| 99|20| 5| 12| |30.15| 0.00| 78| 74| 88|06| 5| 12| |13| |29.87| 0.00| 79| 67| 67|27| 6| 15| |30.01| 0.00| 84| 77| 81|06| 5| 11| |30.15| 0.00| 80| 75| 84|04| 7| 14| |16| |29.85| 0.00| 84| 71| 64|29| 6| 15| |29.98| 0.00| 83| 77| 81|04| 11| 19| |30.13| 0.00| 82| 75| 80|06| 7| 17| |19| |29.88| 0.00| 80| 72| 75|15| 7| 15| |30.00| 0.00| 81| 75| 84|06| 4| 10| |30.16| 0.00| 77| 72| 83|06| 6| 16| |22| |29.94| 0.00| 73| 68| 85|15| 5| 12| |30.05| 0.00| 78| 76| 95|04| 7| 15| |30.21| 0.00| 75| 72| 90|06| 5| 12| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 10 | SEP 11 | SEP 12 | | | | | |01| |30.20| 0.00| 73| 72| 95|06| 4| 14| |30.27| 0.00| 71| 70| 96|11| 0| 6| |30.09| 0.00| 75| 72| 90|18| 4| 15| |04| |30.21| 0.00| 72| 71| 97|06| 4| 7| |30.24| 0.00| 69| 68| 97|13| 0| 4| |30.07| 0.00| 73| 72| 95|22| 5| 14| |07| |30.25| 0.00| 70| 70| 98|06| 0| 5| |30.25| 0.00| 67| 66| 98|13| 0| 4| |30.08| 0.00| 72| 71| 97|22| 5| 12| |10| |30.30| 0.00| 77| 72| 86|04| 7| 17| |30.26| 0.00| 74| 74|100|22| 4| 10| |30.10| 0.00| 78| 76| 92|22| 5| 12| |13| |30.29| 0.00| 81| 71| 73|06| 7| 18| |30.19| 0.00| 83| 73| 70|24| 6| 16| |30.07| 0.00| 87| 77| 72|33| 6| 15| |16| |30.26| 0.00| 83| 71| 66|15| 6| 15| |30.13| 0.00| 88| 74| 64|22| 5| 14| |30.03| 0.00| 91| 73| 56|06| 6| 14| |19| |30.25| 0.00| 81| 71| 72|15| 4| 11| |30.09| 0.00| 86| 75| 70|20| 5| 15| |30.03| 0.00| 90| 75| 60|13| 0| 5| |22| |30.26| 0.00| 74| 70| 90|11| 0| 6| |30.12| 0.00| 78| 72| 82|18| 5| 13| |30.07| 0.00| 82| 76| 81|09| 0| 4| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 13 | SEP 14 | SEP 15 | | | | | |01| |30.09| 0.00| 79| 77| 94|22| 4| 13| |30.27| 0.00| 73| 68| 86|04| 5| 11| |30.15| 0.00| 73| 72| 96|15| 0| 4| |04| |30.13| 0.00| 73| 72| 99|02| 4| 7| |30.24| 0.00| 69| 67| 92|04| 0| 6| |30.13| 0.00| 71| 71| 98|15| 0| 5| |07| |30.18| 0.00| 74| 74| 99|06| 11| 19| |30.25| 0.00| 70| 69| 96|06| 5| 10| |30.14| 0.00| 70| 70| 98|15| 0| 4| |10| |30.25| 0.00| 74| 72| 94|06| 12| 24| |30.27| 0.00| 77| 73| 86|06| 6| 15| |30.15| 0.00| 77| 76| 95|15| 5| 13| |13| |30.29| 0.00| 74| 70| 87|06| 10| 25| |30.24| 0.00| 81| 74| 78|06| 5| 14| |30.11| 0.00| 84| 75| 74|06| 5| 14| |16| |30.28| 0.00| 75| 69| 83|06| 10| 20| |30.18| 0.00| 86| 75| 70|15| 10| 18| |30.07| 0.00| 85| 72| 65|15| 6| 14| |19| |30.28| 0.00| 74| 69| 85|06| 10| 21| |30.17| 0.00| 81| 74| 77|15| 7| 17| |30.06| 0.00| 81| 74| 80|04| 7| 16| |22| |30.30| 0.00| 73| 68| 85|04| 6| 18| |30.17| 0.00| 76| 73| 92|15| 4| 11| |30.08| 0.00| 76| 73| 90|09| 4| 7| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 16 | SEP 17 | SEP 18 | | | | | |01| |30.07| 0.00| 73| 71| 95|09| 0| 5| |29.95| 0.00| 71| 69| 95|15| 0| 4| |30.05| 0.00| 69| 59| 70|04| 5| 15| |04| |30.03| 0.00| 70| 70| 97|09| 0| 5| |29.94| 0.00| 69| 69| 98|15| 0| 4| |30.06| 0.00| 68| 57| 68|04| 6| 15| |07| |30.04| 0.00| 70| 69| 98|04| 0| 5| |29.97| 0.00| 71| 71|100|04| 4| 10| |30.09| 0.00| 69| 58| 68|04| 11| 23| |10| |30.06| 0.00| 77| 76| 94|33| 6| 14| |30.00| 0.00| 78| 70| 77|06| 12| 23| |30.13| 0.00| 71| 59| 65|04| 13| 23| |13| |30.03| 0.00| 82| 72| 70|06| 7| 16| |30.02| 0.00| 79| 70| 73|06| 12| 24| |30.13| 0.00| 74| 58| 58|04| 16| 29| |16| |29.96| 0.00| 84| 72| 67|06| 6| 15| |30.01| 0.00| 77| 68| 74|06| 13| 24| |30.13| 0.00| 72| 59| 64|04| 14| 26| |19| |29.95| 0.00| 82| 71| 69|15| 5| 11| |30.04| 0.00| 74| 65| 74|06| 12| 23| |30.16| 0.00| 70| 59| 67|04| 12| 24| |22| |29.97| 0.00| 74| 71| 90|15| 4| 10| |30.06| 0.00| 71| 60| 69|04| 10| 19| |30.19| 0.00| 68| 58| 69|06| 11| 26| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
MAXIMUM SHORT DURATION PRECIPITATION
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Time Period (minutes) | 5 | 10 | 15 | 20 | 30 | 45 | 60 | 80 | 100 | 120 | 150 | 180 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Precipitation | 0.06 | 0.11 | 0.16 | 0.21 | 0.31 | 0.46 | 0.61 | 0.62 | 0.63 | 0.63 | 0.63 | 0.63 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Ended: Date | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Ended: Time | 0105 | 0110 | 0115 | 0120 | 0130 | 0145 | 0200 | 0220 | 0240 | 0240 | 0240 | 0240 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ The precipitation amounts for the indicated time intervals may occur at any time during the month. The time indicated is the ending time of the interval. Date and time are not entered for trace amounts.
OBSERVATIONS AT 3-HOUR INTERVALS
September 2019: KPWR Portsmouth, Virginia
+--+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | T | | | Wind | | | | T | | | Wind | | | | T | | | Wind | | | | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+ | | | | a | m | D | | D| | | | | a | m | D | | D| | | | | a | m | D | | D| | | | | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | | | | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | | | | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | | | | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | | | H| h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G | | o| i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u | | u| n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s | | r| e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 19 | SEP 20 | SEP 21 | | | | | |01| |30.19| 0.00| 66| 56| 69|04| 10| 18| |30.27| 0.00| 56| 53| 90|04| 0| 5| |30.26| 0.00| 59| 57| 93|18| 0| 7| |04| |30.19| 0.00| 66| 54| 65|04| 11| 21| |30.26| 0.00| 53| 51| 94|04| 0| 4| |30.25| 0.00| 56| 55| 95|18| 0| 4| |07| |30.23| 0.00| 65| 56| 71|04| 10| 24| |30.30| 0.00| 51| 50| 96|04| 0| 4| |30.26| 0.00| 55| 54| 97|18| 0| 5| |10| |30.26| 0.00| 68| 55| 64|04| 12| 23| |30.32| 0.00| 63| 57| 79|33| 5| 10| |30.28| 0.00| 65| 65| 99|20| 5| 13| |13| |30.27| 0.00| 69| 56| 65|04| 11| 24| |30.28| 0.00| 71| 58| 63|27| 6| 14| |30.23| 0.00| 79| 65| 61|18| 6| 15| |16| |30.25| 0.00| 70| 58| 66|04| 11| 21| |30.23| 0.00| 76| 58| 53|18| 6| 15| |30.18| 0.00| 83| 66| 57|18| 6| 15| |19| |30.25| 0.00| 68| 56| 66|04| 6| 15| |30.23| 0.00| 73| 62| 68|15| 6| 15| |30.17| 0.00| 80| 66| 61|22| 4| 11| |22| |30.28| 0.00| 62| 56| 80|04| 0| 5| |30.26| 0.00| 64| 59| 83|15| 4| 11| |30.20| 0.00| 72| 64| 77|20| 4| 11| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 22 | SEP 23 | SEP 24 | | | | | |01| |30.20| 0.00| 68| 64| 86|18| 4| 10| |30.07| 0.00| 70| 65| 85|18| 5| 13| |29.85| 0.00| 73| 68| 85|22| 6| 17| |04| |30.18| 0.00| 66| 63| 91|22| 4| 11| |30.04| 0.00| 67| 64| 90|20| 5| 14| |29.82| 0.00| 72| 68| 87|22| 5| 13| |07| |30.18| 0.00| 64| 61| 92|22| 4| 7| |30.04| 0.00| 65| 63| 93|20| 4| 11| |29.84| 0.00| 71| 68| 90|22| 0| 5| |10| |30.20| 0.00| 71| 67| 85|18| 6| 12| |30.04| 0.00| 72| 67| 86|22| 6| 15| |29.87| 0.00| 78| 70| 75|04| 11| 21| |13| |30.15| 0.00| 84| 70| 63|22| 7| 21| |29.96| 0.00| 84| 71| 66|22| 7| 19| |29.86| 0.00| 80| 65| 59|33| 11| 21| |16| |30.08| 0.00| 87| 69| 56|20| 7| 19| |29.89| 0.00| 87| 71| 60|22| 10| 20| |29.82| 0.00| 82| 65| 57|33| 7| 16| |19| |30.08| 0.00| 82| 68| 61|20| 5| 16| |29.88| 0.00| 83| 70| 66|20| 6| 17| |29.84| 0.00| 78| 64| 62|04| 6| 15| |22| |30.10| 0.00| 74| 66| 77|18| 6| 16| |29.88| 0.00| 76| 69| 79|18| 6| 17| |29.89| 0.00| 73| 63| 71|06| 0| 4| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 25 | SEP 26 | SEP 27 | | | | | |01| |29.89| 0.00| 65| 61| 87|06| 0| 4| |29.90| 0.00| 68| 64| 88|15| 4| 11| |29.91| 0.00| 80| 71| 75|04| 10| 20| |04| |29.88| 0.00| 61| 59| 93|06| 0| 5| |29.86| 0.00| 67| 65| 92|18| 4| 10| |29.94| 0.00| 76| 67| 76|06| 7| 17| |07| |29.92| 0.00| 59| 57| 95|00| 0| 0| |29.84| 0.00| 68| 67| 96|18| 5| 11| |30.00| 0.00| 73| 67| 81|06| 7| 16| |10| |29.97| 0.00| 71| 65| 81|33| 5| 11| |29.86| 0.00| 76| 74| 94|20| 6| 17| |30.09| 0.00| 77| 64| 64|06| 7| 23| |13| |29.93| 0.00| 78| 58| 51|33| 6| 15| |29.82| 0.00| 87| 76| 71|22| 7| 18| |30.09| 0.00| 81| 62| 53|06| 6| 19| |16| |29.87| 0.00| 81| 61| 50|18| 6| 14| |29.76| 0.00| 90| 73| 59|22| 7| 20| |30.05| 0.00| 82| 62| 51|06| 6| 17| |19| |29.88| 0.00| 77| 61| 57|15| 7| 18| |29.79| 0.00| 86| 73| 65|22| 5| 14| |30.08| 0.00| 78| 67| 69|15| 5| 14| |22| |29.90| 0.00| 70| 63| 80|15| 6| 14| |29.87| 0.00| 81| 72| 74|31| 6| 18| |30.10| 0.00| 74| 69| 85|09| 4| 15| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 28 | SEP 29 | SEP 30 | | | | | |01| |30.09| 0.00| 74| 70| 88|18| 5| 12| |30.09| 0.00| 77| 72| 87|22| 4| 7| |30.19| 0.00| 72| 70| 92|06| 4| 10| |04| |30.07| 0.00| 74| 71| 90|15| 5| 11| |30.08| 0.00| 73| 71| 92|22| 4| 6| |30.17| 0.00| 72| 70| 94|04| 0| 10| |07| |30.10| 0.00| 73| 71| 93|13| 4| 6| |30.12| 0.00| 71| 70| 94|22| 0| 5| |30.19| 0.00| 73| 69| 90|06| 6| 14| |10| |30.13| 0.00| 78| 75| 91|22| 5| 13| |30.15| 0.00| 79| 75| 86|33| 6| 14| |30.21| 0.00| 75| 69| 82|06| 10| 16| |13| |30.11| 0.00| 85| 78| 78|22| 6| 14| |30.16| 0.00| 84| 77| 79|04| 11| 21| |30.21| 0.00| 77| 67| 72|06| 11| 19| |16| |30.06| 0.00| 90| 74| 61|22| 6| 17| |30.15| 0.00| 81| 75| 83|06| 11| 20| |30.17| 0.00| 76| 66| 71|06| 11| 21| |19| |30.07| 0.00| 87| 74| 66|20| 4| 13| |30.16| 0.00| 76| 72| 89|06| 12| 23| |30.16| 0.00| 73| 64| 75|06| 6| 15| |22| |30.08| 0.00| 80| 73| 78|22| 5| 12| |30.21| 0.00| 74| 71| 91|06| 6| 20| |30.17| 0.00| 70| 63| 79|06| 4| 11| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +------------------------------------------+---------------------------------------+---------------------------------------+
WEATHER NOTES SUMMARY BY HOURS
+--+-----------------------------+---------+ Wind Direction: Directions are those from which the wind is blowing, | | Averages | | indicated in tens of degrees from true North: i.e., 09 for East, 18 for | +----+------+---+---+---+-----+Resultant| South, 27 for West, and 00 or 36 for North. | | | | | | | | | Wind Speed: The observed one-minute average speed in miles-per-hour. | | | | T | | | | Wind | Wind Gust: The maximum instantaneous wind speed for the ten minute-period | | | | e | | % | W +----+----+ preceding the observation. | | | | m | D | | i | D | | Rainfall Rate: The instantaneous rainfall rate at time of observation, | | S | P | p | e | H | n | i | | calculated by timing consecutive 0.01" pulses from the electronic rain | | u | r | e | w | u | d | r | | gauge and interpolating this rate for one hour. | | n | e | r | | m | | e | | | | s | s | a | P | i | S | c | S | | H| h | s | t | o | d | p | t | p | | o| i | u | u | i | i | e | i | e | | u| n | r | r | n | t | e | o | e | | r| e | e | e | t | y | d | n | d | +--+----+------+---+---+---+-----+----+----+ |01| |30.062| 71| 68| 89| 3.4| 09 | 1.2| |04| |30.046| 69| 67| 92| 2.8| 07 | 0.9| |07| |30.066| 69| 67| 94| 3.3| 06 | 2.1| |10| |30.091| 75| 71| 87| 7.2| 06 | 2.8| |13| |30.071| 81| 70| 70| 7.8| 04 | 2.8| |16| |30.036| 82| 70| 67| 8.2| 08 | 2.7| |19| |30.044| 79| 70| 73| 6.7| 10 | 3.0| |22| |30.067| 74| 69| 84| 4.9| 11 | 2.2| +--+----+------+---+---+---+-----+----+----+
HOURLY PRECIPITATION (Water Equivalent)
September 2019: KPWR Portsmouth, Virginia
---+-----------------------------------------------------------+-----------------------------------------------------------+--- | | | D| A.M. Hour Ending at | P.M. Hour Ending at |D a| | |a t+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+t e| 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |e ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- 01| | | | | | | | | | | | | | | | | | | | | | | | |01 02| | | | | | | | | | | | | | | | | | | | | | | | |02 03| | | | | | | | | | | | | | | | | | | | | | | | |03 04| | | | | | | | | | | | | | | | | | | | | | | | |04 05| | | | | | | | | | | | | | | | | |0.04| | | | | |0.01|05 | | | | | | | | | | | | | | | | | | | | | | | | | 06| | |0.05|0.18|0.08|0.08|0.25|0.15|0.21|0.12|0.19|0.14|0.10|0.07|0.01| | | | | | | | | |06 07| | | | | | | | | | | | | | | | | | | | | | | | |07 08| | | | | | | | | | | | | | | | | | | | | | | | |08 09| | | | | | | | | | | | | | | | | | | | | | | | |09 10| | | | | | | | | | | | | | | | | | | | | | | | |10 | | | | | | | | | | | | | | | | | | | | | | | | | 11| | | | | | | | | | | | | | | | | | | | | | | | |11 12| | | | | | | | | | | | | | | | | | | | | | | | |12 13| |0.60|0.03| | | | | | | | | | | | | | | | | | | | | |13 14| | | | | | | | | | | | | | | | | | | | | | | | |14 15| | | | | | | | | | | | | | | | | | | | | | | | |15 | | | | | | | | | | | | | | | | | | | | | | | | | 16| | | | | | | | | | | | | | | | | | | | | | | | |16 17| | | | | | | | | | | | | | | | | | | | | | | | |17 18| | | | | | | | | | | | | | | | | | | | | | | | |18 19| | | | | | | | | | | | | | | | | | | | | | | | |19 20| | | | | | | | | | | | | | | | | | | | | | | | |20 | | | | | | | | | | | | | | | | | | | | | | | | | 21| | | | | | | | | | | | | | | | | | | | | | | | |21 22| | | | | | | | | | | | | | | | | | | | | | | | |22 23| | | | | | | | | | | | | | | | | | | | | | | | |23 24| | | | | | | | | | | | | | | | | | | | | | | | |24 25| | | | | | | | | | | | | | | | | | | | | | | | |25 | | | | | | | | | | | | | | | | | | | | | | | | | 26| | | | | | | | | | | | | | | | | | | | | | | | |26 27| | | | | | | | | | | | | | | | | | | | | | | | |27 28| | | | | | | | | | | | | | | | | | | | | | | | |28 29| | | | | | | | | | | | | | | | | | | | | | | | |29 30| | | | | | | | | | | | | | | | | | | | | | | | |30 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- Sum|0.00|0.60|0.08|0.18|0.08|0.08|0.25|0.15|0.21|0.12|0.19|0.14|0.10|0.07|0.01|0.00|0.00|0.04|0.00|0.00|0.00|0.00|0.00|0.01|Sum ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- During a frozen precipitation event, hourly precipitation totals may not be recorded. In this case, daily amounts are typically entered in the last column (hour ending at 12 A.M.)