Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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971
CDUS41 KLWX 130631
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
231 AM EDT TUE MAY 13 2025
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 12 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 78 11:32 AM 93 1881 76 2 70
1914
MINIMUM 60 5:27 AM 37 1913 57 3 50
AVERAGE 69 66 3 60
PRECIPITATION (IN)
YESTERDAY T 2.11 1932 0.13 -0.13 0.40
MONTH TO DATE 2.21 1.50 0.71 2.36
SINCE MAR 1 7.73 8.21 -0.48 9.31
SINCE JAN 1 12.52 13.69 -1.17 16.60
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 0.0 2.0 -2.0 T
SINCE JUL 1 14.9 13.7 1.2 8.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 5
MONTH TO DATE 9 35 -26 32
SINCE MAR 1 521 815 -294 606
SINCE JUL 1 3261 3738 -477 3158
COOLING
YESTERDAY 4 3 1 0
MONTH TO DATE 55 31 24 55
SINCE MAR 1 147 66 81 103
SINCE JAN 1 147 66 81 104
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 5.3
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 11:00 PM
LOWEST 45 12:00 PM
AVERAGE 66
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 95 1881
MINIMUM TEMPERATURE (F) 57 39 1878
SUNRISE AND SUNSET
MAY 13 2025...........SUNRISE 5:57 AM EDT SUNSET 8:12 PM EDT
MAY 14 2025...........SUNRISE 5:56 AM EDT SUNSET 8:13 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$