Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 120626
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
226 AM EDT MON MAY 12 2025
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 11 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 80 1:58 PM 94 1896 75 5 67
1911
MINIMUM 56 4:59 AM 33 1906 57 -1 48
AVERAGE 68 66 2 58
PRECIPITATION (IN)
YESTERDAY 0.00 2.63 2008 0.12 -0.12 0.24
MONTH TO DATE 2.21 1.37 0.84 1.96
SINCE MAR 1 7.73 8.08 -0.35 8.91
SINCE JAN 1 12.52 13.56 -1.04 16.20
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 7
MONTH TO DATE 9 33 -24 27
SINCE MAR 1 521 813 -292 601
SINCE JUL 1 3261 3736 -475 3153
COOLING
YESTERDAY 3 3 0 0
MONTH TO DATE 51 28 23 55
SINCE MAR 1 143 63 80 103
SINCE JAN 1 143 63 80 104
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 5.8
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 11:00 PM
LOWEST 35 11:00 AM
AVERAGE 57
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 93 1881
1914
MINIMUM TEMPERATURE (F) 57 37 1913
SUNRISE AND SUNSET
MAY 12 2025...........SUNRISE 5:58 AM EDT SUNSET 8:11 PM EDT
MAY 13 2025...........SUNRISE 5:57 AM EDT SUNSET 8:12 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$