LOCAL CLIMATOLOGICAL DATA Monthly Summary September 2025 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| 77.5 | 66.3 | 71.9 | 71.4 | 60| 69| 0| 7|.........| 0| 0.00| 0.0| 30.16| 30.11|30.133| 9.1| 8.7| 45| 28|ENE| 0| 0| | |02| 77.5 | 60.7 | 69.1*| 69.7 | 61| 75| 0| 5|.........| 0| 0.00| 0.0| 30.11| 30.00|30.055| 5.9| 5.6| 57| 23|ENE| 0| 0| | |03| 79.1 | 59.9*| 69.5 | 69.6 | 60| 73| 0| 5|.........| 0| 0.00| 0.0| 29.99| 29.88|29.934| 4.6| 3.1| 44| 19|NNE| 0| 0| | |04| 89.3 | 62.6 | 75.9 | 75.4 | 63| 69| 0| 11|.........| 0| 0.00| 0.0| 29.93| 29.81|29.888| 8.2| 7.7|188| 26| SW| 0| 0| | |05| 91.3 | 68.9 | 80.1 | 79.3 | 68| 69| 0| 15|.........| 0| 0.00| 0.0| 30.02| 29.91|29.962| 5.3| 5.1|193| 20| S| 0| 0| | | | | | | | | | | | | | | | | | | | | | | | | | | |06| 92.9*| 71.4 | 82.2*| 81.1 | 69| 70| 0| 17|.........| 0| 0.00| 0.0| 30.01| 29.89|29.973| 7.1| 5.8|194| 25|SSW| 0| 0| | |07| 77.7 | 66.6 | 72.1 | 70.6 | 65| 83| 0| 8|.........| 0| T | 0.0| 30.16| 29.92|30.032| 6.9| 5.9|358| 23| N| 0| 0| | |08| 76.8 | 66.6 | 71.7 | 70.9 | 59| 66| 0| 7|.........| 0| T | 0.0| 30.20| 30.14|30.174|12.3|11.5| 41| 30|NNE| 0| 0| | |09| 73.1 | 66.8 | 69.9 | 69.3 | 62| 79| 0| 5|1........| 0| 0.15| 0.0| 30.17| 30.08|30.127|13.3|12.7| 30| 32| N| 0| 0| | |10| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |11| | | | | | | | | | | | | | | | | | | | | | | | |12| | | | | | | | | | | | | | | | | | | | | | | | |13| | | | | | | | | | | | | | | | | | | | | | | | |14| | | | | | | | | | | | | | | | | | | | | | | | |15| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |16| | | | | | | | | | | | | | | | | | | | | | | | |17| | | | | | | | | | | | | | | | | | | | | | | | |18| | | | | | | | | | | | | | | | | | | | | | | | |19| | | | | | | | | | | | | | | | | | | | | | | | |20| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |21| | | | | | | | | | | | | | | | | | | | | | | | |22| | | | | | | | | | | | | | | | | | | | | | | | |23| | | | | | | | | | | | | | | | | | | | | | | | |24| | | | | | | | | | | | | | | | | | | | | | | | |25| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |26| | | | | | | | | | | | | | | | | | | | | | | | |27| | | | | | | | | | | | | | | | | | | | | | | | |28| | | | | | | | | | | | | | | | | | | | | | | | |29| | | | | | | | | | | | | | | | | | | | | | | | |30| | | | | | | | | | | | | | | | | | | | | | | | +--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+ | Sum | Sum |------|------|---|----| Ttl| Ttl| |Total|Total| For the month: | ---- | +------+------+------+------+---+----+----+----+ Number of +-----+-----+------+------+------+----+----+---+---+---+---+---+------+ | 735.2| 589.8|------|------|---|----| 0| 80| Days | 0.42| 0.0| 30.20| 29.81|30.032| 8.4| 3.5| 41| 32| N| 0| 0| ---- | +------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+---+---+---+---+------+ | Avg | Avg | Avg | Mean |Avg| Avg|----|----|Precip | Yearly Ttl| Date | Date |------|----|----|---| Date | Date | Avg | +------+------+------+------+---+----+----+----+ +-----+-----+------+------+------+----+----+---+-------+-------+------+ | 81.7| 65.5| 73.6 | 72.7 | 63|74.4|----|----|>.01 Inch 1|31.57| 0.0| 8 | 4 |------|----|----|---| 9 | 1+ | | +------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+-------+-------+------+ | | 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 | 0|1750|Thunder 0|Precipitation | Snow, Ice Plts | and Date | +--------+--------+---------+--------+----+----+------------+-------+------+---------+-------+-------------+----------------------+ | >=90°F | <=32°F | <=32°F | <=0°F |----|----|Heavy Fog 0| 0.15| 9 | 0.0 | - | 0 | - | +--------+--------+---------+--------+----+----+------------+-------+------+---------+----+--+-------------+----------------------+ | 2 | 0 | 0 | 0 |----|----|Clear 5 Partly Cloudy 2 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. 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: 6th NEW STATION DAILY RECORDS: 9th - WIND GUST 32mph [previous 28mph 2003] OBSERVATIONS AT 3-HOUR INTERVALS September 2025: 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 | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 1 | SEP 2 | SEP 3 | | | | | |01| |30.13| 0.00| 68| 57| 67|02| 5| 10| |30.11| 0.00| 64| 59| 83|06| 0| 6| |29.99| 0.00| 63| 60| 88|00| 0| 0| |04| |30.11| 0.00| 68| 59| 73|02| 7| 16| |30.08| 0.00| 61| 57| 88|00| 0| 0| |29.95| 0.00| 61| 57| 89|00| 0| 0| |07| |30.14| 0.00| 67| 59| 75|02| 7| 16| |30.08| 0.00| 64| 61| 89|02| 4| 12| |29.96| 0.00| 60| 58| 91|00| 0| 0| |10| |30.15| 0.00| 73| 61| 67|04| 14| 23| |30.10| 0.00| 74| 63| 67|06| 12| 21| |29.97| 0.00| 72| 65| 79|00| 10| 17| |13| |30.15| 0.00| 76| 62| 62|06| 13| 23| |30.07| 0.00| 78| 62| 59|04| 11| 18| |29.93| 0.00| 77| 60| 55|02| 10| 19| |16| |30.13| 0.00| 76| 61| 58|06| 12| 23| |30.03| 0.00| 76| 63| 64|02| 11| 22| |29.90| 0.00| 79| 58| 49|04| 7| 18| |19| |30.13| 0.00| 73| 62| 68|04| 10| 18| |30.00| 0.00| 73| 63| 70|06| 10| 17| |29.88| 0.00| 77| 59| 55|04| 5| 13| |22| |30.14| 0.00| 69| 61| 74|06| 5| 14| |30.01| 0.00| 68| 62| 81|04| 0| 7| |29.91| 0.00| 69| 62| 79|13| 5| 7| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 4 | SEP 5 | SEP 6 | | | | | |01| |29.92| 0.00| 65| 61| 87|15| 4| 10| |29.91| 0.00| 73| 66| 78|20| 10| 16| |30.01| 0.00| 74| 67| 77|18| 4| 12| |04| |29.91| 0.00| 64| 61| 89|15| 4| 10| |29.92| 0.00| 71| 66| 83|20| 7| 18| |30.00| 0.00| 72| 68| 87|20| 3| 9| |07| |29.92| 0.00| 64| 61| 90|15| 5| 13| |29.97| 0.00| 69| 65| 87|20| 4| 7| |30.00| 0.00| 72| 68| 90|18| 3| 8| |10| |29.93| 0.00| 77| 66| 70|18| 10| 21| |30.00| 0.00| 81| 69| 68|22| 6| 15| |30.01| 0.00| 83| 73| 72|20| 10| 18| |13| |29.89| 0.00| 88| 65| 46|20| 11| 22| |29.97| 0.00| 89| 69| 51|18| 1| 15| |29.96| 0.00| 90| 71| 53|18| 12| 22| |16| |29.82| 0.00| 88| 64| 45|22| 11| 26| |29.93| 0.00| 89| 69| 51|20| 6| 17| |29.89| 0.00| 91| 69| 48|18| 11| 23| |19| |29.83| 0.00| 82| 65| 57|18| 12| 26| |29.95| 0.00| 85| 71| 63|18| 6| 20| |29.92| 0.00| 86| 69| 56|18| 10| 17| |22| |29.89| 0.00| 76| 64| 66|18| 11| 21| |30.01| 0.00| 78| 67| 68|18| 5| 13| |29.99| 0.00| 80| 71| 74|33| 5| 12| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 7 | SEP 8 | SEP 9 | | | | | |01| |29.95| 0.00| 76| 71| 83|00| 0| 0| |30.14| 0.00| 68| 63| 83|00| 5| 11| |30.17| 0.00| 68| 54| 60|02| 12| 21| |04| |29.92| 0.00| 74| 69| 87|33| 0| 6| |30.14| 0.00| 67| 62| 85|00| 7| 18| |30.13| 0.00| 67| 55| 65|02| 11| 19| |07| |29.97| 0.00| 73| 69| 89|31| 4| 7| |30.16| 0.00| 69| 54| 59|02| 12| 24| |30.14| 0.00| 67| 60| 77|02| 11| 22| |10| |30.01| 0.00| 73| 67| 83|04| 12| 18| |30.19| 0.00| 74| 57| 56|02| 14| 30| |30.15| 0.00| 71| 64| 78|04| 11| 19| |13| |30.07| 0.00| 68| 63| 86|31| 11| 22| |30.20| 0.00| 76| 58| 54|04| 16| 30| |30.14| 0.00| 73| 66| 80|02| 16| 24| |16| |30.06| 0.00| 67| 62| 85|31| 10| 17| |30.17| 0.00| 73| 60| 64|06| 18| 29| |30.11| 0.00| 73| 65| 77|00| 21| 32| |19| |30.08| 0.00| 68| 60| 74|04| 11| 19| |30.18| 0.00| 71| 58| 63|06| 13| 24| |30.10| 0.00| 70| 67| 89|04| 16| 23| |22| |30.13| 0.00| 69| 61| 76|02| 6| 15| |30.19| 0.00| 69| 57| 65|04| 11| 20| |30.09| 0.03| 68| 65| 91|02| 11| 21| +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 10 | SEP 11 | SEP 12 | | | | | |01| |30.07| 0.02| 68| 65| 91|00| 11| 18| | | | | | | | | | | | | | | | | | | |04| |30.03| 0.02| 70| 67| 91|02| 10| 17| | | | | | | | | | | | | | | | | | | |07| |30.02| 0.01| 70| 68| 91|02| 12| 21| | | | | | | | | | | | | | | | | | | |10| | | | | | | | | | | | | | | | | | | | | | | | | | | | |13| | | | | | | | | | | | | | | | | | | | | | | | | | | | |16| | | | | | | | | | | | | | | | | | | | | | | | | | | | |19| | | | | | | | | | | | | | | | | | | | | | | | | | | | |22| | | | | | | | | | | | | | | | | | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 13 | SEP 14 | SEP 15 | | | | | |01| | | | | | | | | | | | | | | | | | | | | | | | | | | | |04| | | | | | | | | | | | | | | | | | | | | | | | | | | | |07| | | | | | | | | | | | | | | | | | | | | | | | | | | | |10| | | | | | | | | | | | | | | | | | | | | | | | | | | | |13| | | | | | | | | | | | | | | | | | | | | | | | | | | | |16| | | | | | | | | | | | | | | | | | | | | | | | | | | | |19| | | | | | | | | | | | | | | | | | | | | | | | | | | | |22| | | | | | | | | | | | | | | | | | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 16 | SEP 17 | SEP 18 | | | | | |01| | | | | | | | | | | | | | | | | | | | | | | | | | | | |04| | | | | | | | | | | | | | | | | | | | | | | | | | | | |07| | | | | | | | | | | | | | | | | | | | | | | | | | | | |10| | | | | | | | | | | | | | | | | | | | | | | | | | | | |13| | | | | | | | | | | | | | | | | | | | | | | | | | | | |16| | | | | | | | | | | | | | | | | | | | | | | | | | | | |19| | | | | | | | | | | | | | | | | | | | | | | | | | | | |22| | | | | | | | | | | | | | | | | | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ MAXIMUM SHORT DURATION PRECIPITATION +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Time Period (minutes) | 5 | 10 | 15 | 20 | 30 | 45 | 60 | 80 | 100 | 120 | 150 | 180 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Precipitation | 0.01 | 0.02 | 0.02 | 0.03 | 0.04 | 0.06 | 0.08 | 0.09 | 0.11 | 0.13 | 0.14 | 0.15 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Ended: Date | 09 | 10 | 09 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ | Ended: Time | 1900 | 0108 | 2215 | 0117 | 0125 | 0142 | 0200 | 0212 | 0236 | 0300 | 0330 | 0400 | +------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+ 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 2025: 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 | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 19 | SEP 20 | SEP 21 | | | | | |01| | | | | | | | | | | | | | | | | | | | | | | | | | | | |04| | | | | | | | | | | | | | | | | | | | | | | | | | | | |07| | | | | | | | | | | | | | | | | | | | | | | | | | | | |10| | | | | | | | | | | | | | | | | | | | | | | | | | | | |13| | | | | | | | | | | | | | | | | | | | | | | | | | | | |16| | | | | | | | | | | | | | | | | | | | | | | | | | | | |19| | | | | | | | | | | | | | | | | | | | | | | | | | | | |22| | | | | | | | | | | | | | | | | | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 22 | SEP 23 | SEP 24 | | | | | |01| | | | | | | | | | | | | | | | | | | | | | | | | | | | |04| | | | | | | | | | | | | | | | | | | | | | | | | | | | |07| | | | | | | | | | | | | | | | | | | | | | | | | | | | |10| | | | | | | | | | | | | | | | | | | | | | | | | | | | |13| | | | | | | | | | | | | | | | | | | | | | | | | | | | |16| | | | | | | | | | | | | | | | | | | | | | | | | | | | |19| | | | | | | | | | | | | | | | | | | | | | | | | | | | |22| | | | | | | | | | | | | | | | | | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 25 | SEP 26 | SEP 27 | | | | | |01| | | | | | | | | | | | | | | | | | | | | | | | | | | | |04| | | | | | | | | | | | | | | | | | | | | | | | | | | | |07| | | | | | | | | | | | | | | | | | | | | | | | | | | | |10| | | | | | | | | | | | | | | | | | | | | | | | | | | | |13| | | | | | | | | | | | | | | | | | | | | | | | | | | | |16| | | | | | | | | | | | | | | | | | | | | | | | | | | | |19| | | | | | | | | | | | | | | | | | | | | | | | | | | | |22| | | | | | | | | | | | | | | | | | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | SEP 28 | SEP 29 | SEP 30 | | | | | |01| | | | | | | | | | | | | | | | | | | | | | | | | | | | |04| | | | | | | | | | | | | | | | | | | | | | | | | | | | |07| | | | | | | | | | | | | | | | | | | | | | | | | | | | |10| | | | | | | | | | | | | | | | | | | | | | | | | | | | |13| | | | | | | | | | | | | | | | | | | | | | | | | | | | |16| | | | | | | | | | | | | | | | | | | | | | | | | | | | |19| | | | | | | | | | | | | | | | | | | | | | | | | | | | |22| | | | | | | | | | | | | | | | | | | | | | | | | | | | +--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +------------------------------------------+---------------------------------------+---------------------------------------+ 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| |30.041| 69| 62| 80| 5.1| 02 | 1.5| |04| |30.019| 67| 62| 84| 4.9| 02 | 2.2| |07| |30.036| 68| 62| 84| 6.2| 02 | 3.7| |10| |30.058| 75| 65| 71| 11.0| 05 | 5.1| |13| |30.042| 79| 64| 61| 11.2| 04 | 4.9| |16| |30.004| 79| 63| 60| 11.9| 03 | 4.0| |19| |30.008| 76| 64| 66| 10.3| 08 | 5.8| |22| |30.040| 72| 63| 75| 6.6| 06 | 2.6| +--+----+------+---+---+---+-----+----+----+ HOURLY PRECIPITATION (Water Equivalent) September 2025: 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| | | | | | | | | | | | | | | | | | | | | | | | |03 04| | | | | | | | | | | | | | | | | | | | | | | | |04 05| | | | | | | | | | | | | | | | | | | | | | | | |05 | | | | | | | | | | | | | | | | | | | | | | | | | 06| | | | | | | | | | | | | | | | | | | | | | | | |06 07| | | | | | | | | | | | | | | | | | | | | | | | |07 08| | | | | | | | | | | | | | | | | | | | | | | | |08 09| | | | | | | | | | | | | | | | | | | |0.03|0.03|0.03|0.04|0.02|09 10|0.02|0.07|0.05|0.02|0.01|0.02|0.01|0.07| | | | | | | | | | | | | | | | |10 | | | | | | | | | | | | | | | | | | | | | | | | | 11| | | | | | | | | | | | | | | | | | | | | | | | |11 12| | | | | | | | | | | | | | | | | | | | | | | | |12 13| | | | | | | | | | | | | | | | | | | | | | | | |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|0.02|0.07|0.05|0.02|0.01|0.02|0.01|0.07|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.03|0.03|0.03|0.04|0.02|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.)