LOCAL CLIMATOLOGICAL DATA Monthly Summary May 2023 Station: PWRS 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| 67.2 | 48.0 | 57.6 | 58.6 | 49| 73| 7| 0|.........| 0| 0.00| 0.0| 29.55| 29.40|29.501| 9.3| 9.2|226| 32| SW| 0| 0| | |02| 71.0 | 50.6 | 60.8 | 60.9 | 46| 60| 4| 0|.........| 0| 0.00| 0.0| 29.56| 29.47|29.520| 8.1| 7.7|225| 32| SW| 0| 0| | |03| 65.3 | 48.3 | 56.8*| 56.0 | 45| 69| 8| 0|.........| 0| 0.01| 0.0| 29.73| 29.53|29.591| 5.5| 4.1|278| 26| NW| 0| 0| | |04| 67.0 | 47.4*| 57.2 | 56.9 | 46| 68| 8| 0|.........| 0| 0.00| 0.0| 30.08| 29.75|29.911| 7.6| 5.2|318| 26| NW| 0| 0| | |05| 70.3 | 47.8 | 59.1 | 59.5 | 48| 69| 6| 0|.........| 0| 0.00| 0.0| 30.22| 30.08|30.166| 5.0| 2.0|299| 20| NW| 0| 0| | | | | | | | | | | | | | | | | | | | | | | | | | | |06| 73.4 | 53.7 | 63.6 | 63.0 | 50| 65| 1| 0|.........| 0| 0.00| 0.0| 30.29| 30.20|30.236| 4.5| 2.8|131| 20| SE| 0| 0| | |07| 84.4 | 56.9 | 70.7 | 70.3 | 57| 66| 0| 6|1........| 0| 0.23| 0.0| 30.19| 29.85|30.024| 7.5| 6.9|207| 24| SW| 0| 0| | |08| 85.7 | 63.2 | 74.4 | 74.0 | 65| 75| 0| 10|.........| 0| 0.00| 0.0| 29.87| 29.79|29.834| 5.3| 4.6|237| 17|WSW| 0| 0| | |09| 75.8 | 61.0 | 68.4 | 68.6 | 60| 76| 0| 4|.........| 0| 0.00| 0.0| 30.04| 29.79|29.886| 8.3| 6.5| 47| 23| NE| 0| 0| | |10| 74.4 | 52.8 | 63.6 | 64.1 | 51| 66| 1| 0|.........| 0| 0.00| 0.0| 30.19| 30.06|30.135| 5.6| 3.6|109| 19|ENE| 0| 0| | | | | | | | | | | | | | | | | | | | | | | | | | | |11| 81.6 | 53.6 | 67.6 | 68.4 | 56| 66| 0| 3|.........| 0| 0.00| 0.0| 30.21| 30.11|30.161| 5.0| 4.5|204| 18|SSW| 0| 0| | |12| 87.1*| 62.0 | 74.6 | 74.1 | 62| 67| 0| 10|.........| 0| 0.00| 0.0| 30.18| 30.06|30.120| 8.1| 8.0|208| 25| SW| 0| 0| | |13| 86.3 | 64.7 | 75.5*| 74.0 | 63| 71| 0| 11|1.3....8.| 0| 0.20| 0.0| 30.11| 29.98|30.061| 7.4| 6.9|214| 22|SSW| 0| 0| | |14| 73.2 | 59.5 | 66.3 | 67.5 | 57| 71| 0| 2|1........| 0| 0.14| 0.0| 30.21| 30.06|30.140| 7.4| 5.7| 27| 24|NNE| 0| 0| | |15| 76.2 | 53.1 | 64.6 | 64.9 | 54| 70| 0| 0|.........| 0| T | 0.0| 30.27| 30.12|30.210| 3.6| 2.0|122| 18|NNE| 0| 0| | | | | | | | | | | | | | | | | | | | | | | | | | | |16| 79.8 | 61.3 | 70.6 | 70.3 | 62| 76| 0| 6|1.3......| 0| 0.15| 0.0| 30.10| 29.63|29.860| 8.7| 8.5|213| 29| SW| 0| 0| | |17| 76.3 | 60.1 | 68.2 | 68.5 | 60| 77| 0| 3|1........| 0| 0.82| 0.0| 30.01| 29.62|29.771| 7.4| 2.7| 23| 23|WNW| 0| 0| | |18| 70.4 | 56.9 | 63.7 | 63.0 | 50| 66| 1| 0|.........| 0| 0.00| 0.0| 30.25| 30.03|30.181| 6.8| 6.4| 73| 24|ENE| 0| 0| | |19| 71.4 | 61.9 | 66.7 | 66.3 | 59| 79| 0| 2|1........| 0| T | 0.0| 30.25| 30.09|30.191| 6.3| 4.9| 78| 21| SE| 0| 0| | |20| 77.0 | 64.5 | 70.8 | 69.4 | 66| 88| 0| 6|1........| 0| 0.04| 0.0| 30.06| 29.89|29.964| 6.4| 3.1|350| 18| NE| 0| 0| | | | | | | | | | | | | | | | | | | | | | | | | | | |21| 73.8 | 62.0 | 67.9 | 68.0 | 58| 73| 0| 3|.........| 0| 0.00| 0.0| 30.05| 29.93|30.009| 7.0| 5.3| 15| 24|NNE| 0| 0| | |22| 76.2 | 56.7 | 66.4 | 66.7 | 56| 70| 0| 2|.........| 0| 0.00| 0.0| 30.18| 30.02|30.102| 7.0| 6.8| 62| 27| NE| 0| 0| | |23| 69.0 | 60.1 | 64.6 | 64.9 | 56| 74| 0| 0|.........| 0| 0.00| 0.0| 30.21| 30.11|30.168|12.4|12.1| 58| 31|ENE| 0| 0| | |24| 70.8 | 58.4 | 64.6 | 64.1 | 52| 66| 0| 0|.........| 0| 0.00| 0.0| 30.10| 29.93|30.004|10.8|10.4| 34| 27| NE| 0| 0| | |25| 65.7 | 54.5 | 60.1 | 60.9 | 52| 72| 4| 0|.......8.| 0| 0.00| 0.0| 30.14| 29.92|30.052| 9.4| 9.3| 65| 30|ENE| 0| 0| | | | | | | | | | | | | | | | | | | | | | | | | | | |26| 67.2 | 57.2 | 62.2 | 61.6 | 49| 63| 3| 0|.......8.| 0| 0.00| 0.0| 30.22| 30.12|30.184|12.1|11.9| 64| 33|ENE| 0| 0| | |27| 65.8 | 59.5 | 62.7 | 62.8 | 53| 72| 2| 0|1........| 0| 0.01| 0.0| 30.21| 30.12|30.177|13.6|13.5| 65| 34|ENE| 0| 0| | |28| 69.2 | 62.1 | 65.6 | 65.2 | 63| 93| 0| 1|1........| 0| 0.48| 0.0| 30.09| 29.88|29.976| 8.1| 8.1| 66| 26|ENE| 0| 0| | |29| 80.4 | 65.6 | 73.0 | 71.5 | 67| 86| 0| 8|1.3....8.| 0| 0.45| 0.0| 29.95| 29.84|29.884| 4.4| 3.0|111| 18| SE| 0| 0| | |30| 66.7 | 62.0 | 64.3 | 63.8 | 62| 94| 0| 0|1........| 0| 0.38| 0.0| 30.09| 29.94|30.025|11.3|10.7| 44| 25| NE| 0| 0| | | | | | | | | | | | | | | | | | | | | | | | | | | |31| 71.0 | 61.2 | 66.1 | 65.2 | 62| 89| 0| 1|1........| 0| 0.00| 0.0| 30.11| 30.05|30.083|11.2|10.9| 33| 25|NNE| 0| 0| | +--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+ | Sum | Sum |------|------|---|----| Ttl| Ttl| |Total|Total| For the month: | ---- | +------+------+------+------+---+----+----+----+ Number of +-----+-----+------+------+------+----+----+---+---+---+---+---+------+ |2289.6|1786.6|------|------|---|----| 51| 72| Days | 2.91| 0.0| 30.29| 29.40|30.004| 7.8| 2.2| 57| 34|ENE| 0| 0| ---- | +------+------+------+------+---+----+----+----+------------|-1.48" or 66% of normal +------+----+----+---+---+---+---+---+------+ | Avg | Avg | Avg | Mean |Avg| Avg|----|----|Precip | Yearly | Date | Date |------|----|----|---| Date | Date | Avg | +------+------+------+------+---+----+----+----+ +-----+-----+------+------+------+----+----+---+-------+-------+------+ | 73.8| 57.6| 65.7 | 65.6 | 56|73.2|----|----|>.01 Inch 11|17.16| 0.0| 6 | 1 |------|----|----|---| 27 | 1+ | | + -4.0+ -0.7 -2.3 ------+---+----+----+----+------------|-1.71" or 91% 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|1436.5|172| Thunder 3|Precipitation | Snow, Ice Plts | and Date | +--------+--------+---------+--------+----+----+------------+-------+------+---------+-------+-------------+----------------------+ | >=90°F | <=32°F | <=32°F | <=0°F |----|----|Heavy Fog 0| 0.97| 16-17| 0.0 | - | 0 | - | +--------+--------+---------+--------+----+----+------------+-------+------+---------+----+--+-------------+----------------------+ | 1 | 0 | 0 | 0 |----|----|Clear 10 Partly Cloudy 17 Cloudy 4 | +--------+--------+---------+--------+----+----+------------------------------------------+ 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. Column 23: Solar Radiation is measured in Watts/m^2 and continuously averaged for 24 hours. Data in columns 4B, 5, 6, 15, 16, 23 are updated continuously, there by achieving a "true" mean. OBSERVER NOTES: FROPA: 2nd, 3rd, 9th, 14th, 17th, 21st, 25th, 29th, 30th NEW DAILY STATION RECORDS: MONTHLY AVERAGE MAXIMUM TEMP OF 73.8° WAS 4.0° BELOW NORMAL. MONTHLY AVERAGE MINIMUM TEMP OF 57.6° WAS 0.7° BELOW NORMAL. MONTHLY AVERAGE AVERAGE TEMP OF 65.7° WAS 2.3° BELOW NORMAL. MAXIMUM TEMP: 87° on the 12st MINIMUM TEMP: 47° on the 4th DAYS WITH TEMPERATURES: MAXIMUM >= 90° : 0 MAXIMUM <= 32° : 0 MINIMUM <= 32° : 0 MINIMUM <= 0° : 0 HEATING DEGREE DAYS: 51.0 COOLING DEGREE DAYS: 72.0 DAYS WITH HEATING DEGREE DAYS: 15 DAYS WITH COOLING DEGREE DAYS: 16 PRECIP TOTAL OF 2.91" WAS 1.48" BELOW NORMAL ( 66% of normal). GREATEST DAILY RAINFALL: 0.82" on the 17th GREATEST 24-HOUR RAINFALL: 0.97" on the 16th - 17th DAYS WITH MEASUREABLE PRECIP: 11 or 35.48% AVERAGE DAILY PRECIP: 0.09" NORMAL DAILY PRECIP: 0.14" DAYS WITH PRECIP >= 0.01" 11 DAYS WITH PRECIP >= 0.10" 8 DAYS WITH PRECIP >= 0.50" 1 DAYS WITH PRECIP >= 1.00" 0 DAYS WITH THUNDERSTORMS: 3 NUMBER OF THUNDERSTORMS: 3 DAYS WITH SNOW: 0 SNOWFALL TOTAL: 0.0" CLOUDY DAYS: 4 PARTLY CLOUDY DAYS: 17 SUNNY/CLEAR DAYS: 10 DAYS WITH F/GF: 12 DAYS WITH DENSE FOG: 0 DAYS WITH FROST: 0 YEAR-TO-DATE YEARLY AVERAGE MAXIMUM TEMP OF 65.8° WAS 3.7° ABOVE NORMAL. YEARLY AVERAGE MINIMUM TEMP OF 47.5° WAS 4.5° ABOVE NORMAL. YEARLY AVERAGE TEMP OF 56.6° WAS 4.0° ABOVE NORMAL. MAXIMUM TEMP: 91° on April 21st MINIMUM TEMP: 23° on FEBRUARY 4th DAYS WITH TEMPERATURES: MAXIMUM >= 90°: 1 MAXIMUM <= 32°: 0 MINIMUM <= 32°: 13 MINIMUM <= 0°: 0 HEATING DEGREE DAYS: 1436.5 COOLING DEGREE DAYS: 172.0 DAYS WITH HEATING DEGREE DAYS: 114 DAYS WITH COOLING DEGREE DAYS: 35 PRECIP TOTAL OF 17.16" WAS -1.72" or 91% of normal. GREATEST DAILY RAINFALL: 1.91" on APRIL 30th GREATEST 24-HOUR DAILY RAINFALL: 1.91" on APRIL 30th DAYS WITH MEASUREABLE PRECIP: 51 of 121 OR 33.78% AVERAGE DAILY PRECIP: 0.11" NORMAL DAILY PRECIP: 0.13" DAYS WITH PRECIP >= 0.01" 51 DAYS WITH PRECIP >= 0.10" 32 DAYS WITH PRECIP >= 0.50" 9 DAYS WITH PRECIP >= 1.00" 6 DAYS WITH THUNDERSTORMS: 7 NUMBER OF THUNDERSTORMS: 8 DAYS WITH SNOW: 0 SNOWFALL TOTAL: 0.0" CLOUDY DAYS: 24 PARTLY CLOUDY DAYS: 66 SUNNY/CLEAR DAYS: 61 DAYS WITH F/GF: 49 DAYS WITH DENSE FOG: 0 DAYS WITH FROST: 15 OBSERVATIONS AT 3-HOUR INTERVALS May 2023: PWRS 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 | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | MAY 1 | MAY 2 | MAY 3 | | | | | |01| |29.40| 0.00| 60| 58| 94|24| 6| 15| |29.53| 0.00| 56| 47| 71|22| 4| 11| |29.56| 0.00| 57| 44| 62|02| 5| 10| |04| |29.45| 0.00| 53| 52| 94|22| 7| 26| |29.52| 0.00| 52| 47| 81|22| 6| 14| |29.54| 0.00| 51| 45| 79|00| 0| 0| |07| |29.52| 0.00| 48| 47| 94|22| 7| 21| |29.55| 0.00| 51| 46| 84|22| 3| 10| |29.56| 0.00| 48| 45| 87|24| 0| 6| |10| |29.54| 0.00| 55| 49| 80|22| 13| 27| |29.54| 0.00| 63| 47| 56|22| 13| 32| |29.56| 0.00| 58| 48| 71|22| 10| 19| |13| |29.52| 0.00| 67| 48| 52|22| 15| 29| |29.51| 0.00| 70| 45| 41|22| 14| 17| |29.54| 0.00| 65| 46| 49|24| 10| 23| |16| |29.49| 0.00| 65| 47| 52|22| 12| 24| |29.48| 0.00| 69| 43| 40|22| 12| 16| |29.57| 0.00| 59| 45| 60|29| 7| 22| |19| |29.50| 0.00| 63| 48| 58|22| 6| 16| |29.49| 0.00| 66| 43| 44|22| 7| 18| |29.63| 0.00| 58| 46| 64|31| 5| 13| |22| |29.54| 0.00| 59| 48| 68|22| 4| 10| |29.54| 0.00| 61| 45| 57|22| 4| 10| |29.72| 0.00| 53| 43| 69|29| 5| 13| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | MAY 4 | MAY 5 | MAY 6 | | | | | |01| |29.75| 0.00| 49| 44| 82|29| 6| 17| |30.09| 0.00| 54| 49| 81|00| 0| 0| |30.23| 0.00| 55| 48| 79|18| 0| 6| |04| |29.79| 0.00| 48| 43| 81|24| 5| 13| |30.10| 0.00| 51| 47| 86|00| 0| 0| |30.23| 0.00| 55| 50| 85|00| 0| 0| |07| |29.85| 0.00| 48| 42| 82|24| 4| 7| |30.15| 0.00| 48| 45| 89|00| 0| 5| |30.26| 0.00| 56| 52| 87|13| 0| 4| |10| |29.90| 0.00| 58| 48| 69|29| 11| 21| |30.20| 0.00| 61| 51| 69|31| 7| 15| |30.29| 0.00| 67| 50| 53|04| 6| 15| |13| |29.92| 0.00| 66| 47| 50|31| 13| 26| |30.19| 0.00| 69| 49| 48|31| 11| 18| |30.25| 0.00| 73| 48| 41|06| 7| 15| |16| |29.93| 0.00| 66| 47| 50|31| 12| 21| |30.16| 0.00| 70| 47| 44|31| 10| 18| |30.20| 0.00| 71| 51| 49|15| 7| 16| |19| |29.98| 0.00| 62| 48| 60|04| 10| 17| |30.17| 0.00| 65| 50| 59|15| 7| 16| |30.20| 0.00| 67| 50| 53|13| 10| 20| |22| |30.05| 0.00| 59| 49| 70|04| 4| 7| |30.22| 0.00| 59| 50| 72|15| 4| 10| |30.23| 0.00| 61| 51| 68|18| 7| 15| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | MAY 7 | MAY 8 | MAY 9 | | | | | |01| |30.19| 0.00| 58| 50| 74|18| 6| 13| |29.83| 0.00| 65| 63| 93|20| 5| 11| |29.83| 0.00| 70| 65| 83|22| 0| 7| |04| |30.15| 0.00| 58| 52| 80|18| 5| 14| |29.83| 0.00| 64| 62| 94|24| 6| 15| |29.79| 0.00| 67| 64| 88|22| 4| 7| |07| |30.16| 0.00| 58| 51| 79|13| 5| 11| |29.86| 0.00| 64| 62| 94|22| 5| 11| |29.80| 0.00| 66| 63| 90|22| 0| 4| |10| |30.09| 0.00| 72| 60| 66|22| 6| 13| |29.87| 0.00| 74| 69| 85|24| 6| 17| |29.88| 0.00| 71| 61| 71|06| 12| 21| |13| |30.04| 0.00| 82| 59| 47|22| 11| 24| |29.85| 0.00| 83| 67| 58|33| 6| 16| |29.88| 0.00| 75| 61| 63|06| 11| 20| |16| |29.95| 0.00| 83| 59| 45|22| 12| 23| |29.80| 0.00| 84| 65| 52|22| 6| 15| |29.88| 0.00| 70| 61| 72|02| 14| 22| |19| |29.90| 0.00| 78| 61| 57|22| 10| 24| |29.79| 0.00| 83| 63| 52|24| 5| 13| |29.93| 0.00| 65| 57| 75|04| 13| 23| |22| |29.88| 0.01| 72| 64| 76|20| 7| 21| |29.84| 0.00| 75| 66| 75|20| 6| 13| |30.03| 0.00| 63| 54| 72|06| 10| 17| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | MAY 10 | MAY 11 | MAY 12 | | | | | |01| |30.06| 0.00| 60| 51| 71|04| 7| 17| |30.17| 0.00| 58| 54| 85|15| 6| 11| |30.15| 0.00| 65| 58| 76|20| 6| 13| |04| |30.08| 0.00| 56| 51| 84|04| 0| 6| |30.17| 0.00| 56| 53| 87|15| 0| 10| |30.14| 0.00| 63| 57| 82|20| 6| 14| |07| |30.14| 0.00| 55| 53| 91|02| 4| 10| |30.20| 0.00| 54| 51| 91|00| 0| 0| |30.16| 0.00| 62| 58| 86|20| 6| 17| |10| |30.17| 0.00| 66| 55| 66|06| 7| 19| |30.21| 0.00| 70| 58| 65|22| 6| 13| |30.17| 0.00| 76| 64| 67|22| 11| 22| |13| |30.17| 0.00| 74| 47| 38|18| 7| 17| |30.17| 0.00| 81| 56| 42|22| 6| 14| |30.13| 0.00| 87| 67| 53|20| 10| 18| |16| |30.13| 0.00| 73| 47| 40|15| 6| 15| |30.13| 0.00| 80| 57| 45|22| 6| 15| |30.08| 0.00| 85| 65| 51|20| 10| 21| |19| |30.14| 0.00| 67| 52| 58|13| 7| 16| |30.11| 0.00| 77| 56| 49|20| 6| 15| |30.06| 0.00| 81| 62| 52|22| 7| 20| |22| |30.17| 0.00| 61| 54| 76|15| 6| 14| |30.15| 0.00| 70| 58| 66|18| 6| 13| |30.09| 0.00| 74| 64| 70|18| 10| 18| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | MAY 13 | MAY 14 | MAY 15 | | | | | |01| |30.10| 0.00| 70| 61| 75|20| 7| 16| |30.08| 0.01| 67| 65| 94|31| 7| 16| |30.21| 0.00| 58| 52| 80|11| 0| 4| |04| |30.09| 0.00| 66| 60| 81|20| 6| 15| |30.07| 0.02| 65| 64| 94|02| 6| 13| |30.24| 0.00| 54| 50| 87|00| 0| 0| |07| |30.11| 0.00| 65| 61| 86|22| 6| 15| |30.11| 0.00| 65| 64| 94|22| 4| 13| |30.26| 0.00| 53| 51| 92|22| 0| 4| |10| |30.09| 0.00| 75| 63| 67|20| 7| 18| |30.14| 0.00| 69| 56| 64|02| 13| 23| |30.27| 0.00| 67| 58| 73|11| 5| 12| |13| |30.07| 0.00| 85| 64| 49|20| 11| 22| |30.16| 0.00| 73| 57| 59|02| 12| 24| |30.25| 0.00| 74| 56| 53|15| 6| 14| |16| |30.01| 0.00| 81| 62| 52|20| 10| 20| |30.16| 0.00| 72| 50| 46|04| 12| 22| |30.18| 0.00| 75| 54| 48|02| 10| 18| |19| |29.98| 0.00| 80| 62| 54|20| 6| 17| |30.17| 0.00| 69| 53| 56|06| 7| 16| |30.16| 0.00| 71| 57| 62|13| 5| 13| |22| |30.06| 0.06| 69| 66| 92|31| 6| 17| |30.20| 0.00| 62| 49| 63|09| 0| 6| |30.14| 0.00| 68| 57| 68|15| 6| 12| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | MAY 16 | MAY 17 | MAY 18 | | | | | |01| |30.10| 0.00| 66| 56| 70|22| 6| 14| |29.65| 0.11| 69| 67| 94|20| 6| 16| |30.03| 0.00| 59| 54| 83|04| 0| 11| |04| |30.03| 0.00| 64| 55| 72|20| 6| 12| |29.62| 0.05| 67| 66| 94|22| 4| 13| |30.06| 0.00| 57| 53| 86|06| 4| 11| |07| |30.02| 0.01| 63| 58| 84|20| 5| 11| |29.67| 0.00| 64| 62| 94|33| 6| 17| |30.13| 0.00| 57| 49| 73|04| 5| 16| |10| |29.95| 0.00| 65| 61| 86|20| 12| 23| |29.73| 0.00| 71| 61| 69|31| 11| 21| |30.20| 0.00| 67| 46| 46|13| 7| 21| |13| |29.85| 0.00| 73| 64| 74|20| 12| 28| |29.76| 0.00| 76| 58| 54|04| 11| 21| |30.24| 0.00| 69| 40| 35|06| 11| 21| |16| |29.75| 0.00| 79| 67| 68|22| 13| 26| |29.80| 0.00| 72| 56| 58|06| 13| 22| |30.23| 0.00| 68| 50| 52|06| 10| 20| |19| |29.68| 0.00| 78| 67| 70|22| 7| 20| |29.86| 0.00| 68| 57| 69|13| 6| 15| |30.24| 0.00| 64| 52| 64|06| 7| 17| |22| |29.65| 0.00| 74| 66| 75|20| 10| 17| |29.97| 0.00| 62| 55| 79|06| 4| 12| |30.25| 0.00| 62| 55| 80|06| 6| 15| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ MAXIMUM SHORT DURATION PRECIPITATION +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Time Period (minutes) | 5 | 10 | 15 | 20 | 30 | 45 | 60 | 80 | 100 | 120 | 150 | 180 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Precipitation | 0.04 | 0.07 | 0.11 | 0.14 | 0.21 | 0.32 | 0.41 | 0.45 | 0.56 | 0.67 | 0.69 | 0.71 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Ended: Date | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 17 | 17 | 17 | 17 | 17 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Ended: Time | 2104 | 2108 | 2114 | 2118 | 2129 | 2144 | 2158 | 0236 | 0245 | 0300 | 0324 | 0348 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ 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 May 2023: PWRS 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 | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | MAY 19 | MAY 20 | MAY 21 | | | | | |01| |30.24| 0.00| 63| 57| 80|06| 5| 13| |30.06| 0.01| 65| 63| 93|02| 10| 17| |29.94| 0.00| 68| 66| 91|20| 4| 11| |04| |30.21| 0.00| 62| 57| 82|13| 4| 10| |30.00| 0.01| 65| 63| 94|02| 7| 15| |29.95| 0.00| 69| 64| 86|20| 6| 19| |07| |30.23| 0.00| 63| 57| 81|11| 4| 12| |30.01| 0.00| 65| 63| 94|00| 7| 14| |30.02| 0.00| 64| 59| 85|02| 12| 22| |10| |30.25| 0.00| 68| 59| 73|09| 6| 17| |29.99| 0.00| 68| 65| 93|02| 7| 15| |30.04| 0.00| 64| 56| 76|02| 11| 19| |13| |30.23| 0.00| 70| 59| 68|13| 10| 21| |29.97| 0.00| 70| 67| 89|02| 6| 14| |30.03| 0.00| 70| 56| 62|00| 11| 19| |16| |30.19| 0.00| 70| 61| 74|06| 7| 19| |29.93| 0.00| 74| 68| 82|29| 4| 7| |30.00| 0.00| 73| 56| 56|06| 7| 18| |19| |30.13| 0.00| 69| 63| 79|06| 6| 20| |29.89| 0.00| 76| 68| 78|22| 6| 14| |30.00| 0.00| 72| 56| 57|04| 6| 13| |22| |30.12| 0.00| 65| 62| 89|02| 10| 17| |29.92| 0.00| 72| 67| 86|22| 5| 10| |30.05| 0.00| 66| 57| 73|00| 0| 0| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | MAY 22 | MAY 23 | MAY 24 | | | | | |01| |30.04| 0.00| 60| 56| 84|00| 0| 0| |30.17| 0.00| 64| 56| 76|04| 6| 13| |30.10| 0.00| 60| 53| 78|04| 12| 22| |04| |30.03| 0.00| 57| 55| 91|31| 0| 5| |30.16| 0.00| 63| 56| 79|04| 7| 17| |30.06| 0.00| 59| 53| 82|02| 11| 19| |07| |30.06| 0.00| 57| 55| 92|00| 0| 0| |30.17| 0.00| 63| 58| 82|04| 11| 19| |30.03| 0.00| 58| 53| 83|02| 13| 22| |10| |30.09| 0.00| 72| 58| 62|06| 11| 20| |30.20| 0.00| 68| 56| 65|06| 15| 28| |30.03| 0.00| 64| 52| 66|04| 15| 27| |13| |30.12| 0.00| 76| 56| 50|06| 13| 23| |30.21| 0.00| 68| 58| 70|06| 16| 30| |30.02| 0.00| 70| 52| 53|02| 14| 24| |16| |30.12| 0.00| 75| 56| 50|06| 12| 23| |30.18| 0.00| 67| 58| 72|06| 15| 27| |29.97| 0.00| 70| 50| 50|06| 12| 22| |19| |30.14| 0.00| 71| 56| 59|06| 11| 20| |30.15| 0.00| 64| 57| 76|06| 15| 25| |29.95| 0.00| 69| 50| 50|02| 11| 10| |22| |30.17| 0.00| 65| 57| 74|06| 6| 15| |30.13| 0.00| 62| 55| 80|04| 13| 25| |29.94| 0.00| 65| 53| 66|06| 4| 10| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | MAY 25 | MAY 26 | MAY 27 | | | | | |01| |29.94| 0.00| 59| 52| 79|00| 0| 0| |30.13| 0.00| 58| 48| 68|06| 6| 14| |30.19| 0.00| 60| 50| 70|04| 11| 19| |04| |29.92| 0.00| 55| 51| 85|06| 0| 4| |30.13| 0.00| 58| 50| 77|04| 7| 17| |30.17| 0.00| 60| 49| 69|06| 11| 22| |07| |30.00| 0.00| 62| 53| 74|06| 7| 19| |30.16| 0.00| 59| 51| 76|06| 12| 20| |30.18| 0.00| 61| 53| 75|04| 13| 23| |10| |30.08| 0.00| 62| 55| 76|06| 15| 28| |30.19| 0.00| 64| 49| 58|06| 15| 27| |30.20| 0.00| 66| 55| 67|06| 16| 29| |13| |30.09| 0.00| 65| 53| 65|06| 15| 30| |30.21| 0.00| 66| 50| 56|06| 16| 31| |30.20| 0.00| 65| 53| 63|06| 15| 33| |16| |30.09| 0.00| 63| 53| 69|06| 12| 23| |30.22| 0.00| 65| 50| 59|06| 14| 29| |30.18| 0.00| 65| 54| 67|06| 16| 31| |19| |30.10| 0.00| 62| 49| 62|06| 12| 22| |30.21| 0.00| 63| 48| 58|06| 13| 27| |30.16| 0.00| 64| 55| 73|06| 14| 28| |22| |30.13| 0.00| 59| 48| 67|06| 10| 18| |30.21| 0.00| 61| 46| 58|06| 7| 18| |30.17| 0.01| 62| 57| 84|06| 13| 26| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | MAY 28 | MAY 29 | MAY 30 | | | | | |01| |30.09| 0.00| 63| 59| 86|06| 12| 25| |29.87| 0.00| 67| 65| 94|06| 1| 5| |29.95| 0.00| 66| 64| 94|04| 5| 14| |04| |30.05| 0.01| 62| 60| 93|06| 11| 20| |29.84| 0.00| 66| 65| 94|00| 0| 0| |29.97| 0.00| 63| 62| 94|06| 13| 23| |07| |30.03| 0.01| 62| 61| 94|04| 13| 22| |29.87| 0.00| 67| 65| 94|13| 1| 4| |30.00| 0.00| 65| 63| 94|06| 10| 21| |10| |30.02| 0.01| 64| 62| 94|06| 13| 26| |29.89| 0.00| 73| 70| 92|18| 5| 13| |30.02| 0.02| 65| 63| 94|02| 10| 19| |13| |29.99| 0.14| 65| 63| 94|06| 12| 23| |29.88| 0.00| 78| 70| 76|15| 7| 16| |30.05| 0.01| 64| 62| 94|04| 13| 22| |16| |29.91| 0.06| 68| 67| 94|06| 5| 15| |29.86| 0.00| 79| 68| 68|13| 7| 17| |30.04| 0.04| 63| 61| 94|02| 13| 20| |19| |29.89| 0.00| 68| 66| 94|06| 4| 12| |29.89| 0.00| 76| 68| 75|06| 5| 15| |30.05| 0.00| 63| 60| 93|06| 12| 24| |22| |29.89| 0.00| 67| 66| 94|06| 2| 9| |29.95| 0.41| 66| 64| 93|06| 6| 14| |30.08| 0.00| 62| 60| 93|04| 11| 18| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | MAY 31 | | | | | | | |01| |30.08| 0.00| 62| 60| 93|04| 11| 20| | | |04| |30.06| 0.00| 61| 60| 94|04| 11| 19| | | |07| |30.10| 0.00| 62| 60| 93|02| 11| 19| | | |10| |30.11| 0.00| 63| 61| 93|02| 13| 21| | | |13| |30.11| 0.00| 65| 63| 92|02| 12| 23| | | |16| |30.08| 0.00| 70| 65| 83|02| 14| 23| | | |19| |30.06| 0.00| 69| 63| 81|04| 12| 22| | | |22| |30.07| 0.00| 67| 62| 82|02| 6| 16| | | +--+----+-----+-----+---+---+---+--+---+---+---------------------------------------+---------------------------------------+ 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| |29.992| 62| 56| 82| 5.2| 06 | 1.3| |04| |29.982| 60| 55| 86| 4.9| 08 | 1.0| |07| |30.013| 59| 55| 87| 5.6| 04 | 2.4| |10| |30.030| 67| 57| 72| 10.2| 06 | 2.7| |13| |30.020| 72| 56| 59| 11.1| 06 | 2.9| |16| |29.990| 72| 56| 59| 10.3| 06 | 2.8| |19| |29.988| 69| 56| 64| 8.3| 08 | 3.6| |22| |30.018| 65| 56| 75| 6.4| 09 | 2.2| +--+----+------+---+---+---+-----+----+----+ HOURLY PRECIPITATION (Water Equivalent) May 2023: PWRS 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| | | | | | | | | | | | | | | | | | | | | | |0.01| |03 04| | | | | | | | | | | | | | | | | | | | | | | | |04 05| | | | | | | | | | | | | | | | | | | | | | | | |05 | | | | | | | | | | | | | | | | | | | | | | | | | 06| | | | | | | | | | | | | | | | | | | | | | | | |06 07| | | | | | | | | | | | | | | | | | | | | |0.01|0.17|0.05|07 08| | | | | | | | | | | | | | | | | | | | | | | | |08 09| | | | | | | | | | | | | | | | | | | | | | | | |09 10| | | | | | | | | | | | | | | | | | | | | | | | |10 | | | | | | | | | | | | | | | | | | | | | | | | | 11| | | | | | | | | | | | | | | | | | | | | | | | |11 12| | | | | | | | | | | | | | | | | | | | | | | | |12 13| | | | | | | | | | | | | | | | | | | |0.01|0.13|0.06| | |13 14|0.01|0.03| |0.02|0.05|0.03| | | | | | | | | | | | | | | | | | |14 15| | | | | | | | | | | | | | | | | | | | | | | | |15 | | | | | | | | | | | | | | | | | | | | | | | | | 16| | | | | | |0.01|0.03| | | | | | | | | | | | | | | |0.11|16 17|0.11|0.32|0.34|0.05| | | | | | | | | | | | | | | | | | | | |17 18| | | | | | | | | | | | | | | | | | | | | | | | |18 19| | | | | | | | | | | | | | | | | | | | | | | | |19 20|0.01|0.01| |0.01| | | | | | | | | | | | |0.01| | | | | | | |20 | | | | | | | | | | | | | | | | | | | | | | | | | 21| | | | | | | | | | | | | | | | | | | | | | | | |21 22| | | | | | | | | | | | | | | | | | | | | | | | |22 23| | | | | | | | | | | | | | | | | | | | | | | | |23 24| | | | | | | | | | | | | | | | | | | | | | | | |24 25| | | | | | | | | | | | | | | | | | | | | | | | |25 | | | | | | | | | | | | | | | | | | | | | | | | | 26| | | | | | | | | | | | | | | | | | | | | | | | |26 27| | | | | | | | | | | | | | | | | | | | | |0.01| | |27 28| | | |0.01|0.01|0.02|0.01|0.01|0.02|0.01|0.02|0.04|0.14|0.07|0.06|0.06| | | | | | | | |28 29| |0.01| | |0.03| | | | | | | | | | | | | | | | |0.41| | |29 30| | | | |0.01| | |0.01| |0.02| |0.04|0.01|0.08|0.16|0.04|0.01| | | | | | | |30 31| | | | | | | | | | | | | | | | | | | | | | | | |31 ---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- Sum|0.13|0.37|0.34|0.09|0.10|0.05|0.02|0.05|0.02|0.03|0.02|0.08|0.15|0.15|0.22|0.10|0.02|0.00|0.00|0.01|0.13|0.49|0.18|0.16|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.)