Climatological Report (Monthly)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
642
CXUS51 KLWX 011742
CLMDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
142 PM EDT MON SEP 01 2025
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...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 106 08/06/1918
LOW 49 08/29/1986
08/31/1934
08/24/1890
HIGHEST 96 08/17 96 0 101
LOWEST 58 08/31 59 -1 58
AVG. MAXIMUM 84.2 87.8 -3.6 87.8
AVG. MINIMUM 67.3 71.0 -3.7 70.9
MEAN 75.8 79.4 -3.6 79.3
DAYS MAX >= 90 5 10.8 -5.8 13
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 14.41 1928
MINIMUM 0.55 1962
TOTALS 0.20R 3.25 -3.05 4.58
DAILY AVG. 0.01 0.10 -0.09 0.15
DAYS >= .01 6 8.7 -2.7 10
DAYS >= .10 0 5.6 -5.6 7
DAYS >= .50 0 2.1 -2.1 3
DAYS >= 1.00 0 0.8 -0.8 2
GREATEST
24 HR. TOTAL 0.14 08/19 TO 08/20 2.28
STORM TOTAL 0.08 1.80
(MM/DD(HH))
SNOWFALL (INCHES)
RECORDS
TOTAL MM MM
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0 MM
DAYS >= TRACE 0 0.0 0.0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0
DEGREE DAYS
HEATING TOTAL 0 0 0 0
SINCE 7/1 0 0 0 MM
COOLING TOTAL 342 446 -104 451
SINCE 1/1 1465 1452 13 MM
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WIND (MPH)
AVERAGE WIND SPEED 7.4
HIGHEST WIND SPEED/DIRECTION 30/310
HIGHEST GUST SPEED/DIRECTION 42/330
SKY COVER
AVERAGE SKY COVER 0.59
AVERAGE RH (PERCENT) 65
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 4 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 9 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 9 FOG W/VIS <= 1/4 MILE 0
HAZE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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