484
CDUS41 KLWX 122125
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
525 PM EDT MON MAY 12 2025
...............................
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 12 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
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)
TODAY 0.00 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)
TODAY 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
TODAY 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
TODAY 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 4.5
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 6:00 AM
LOWEST 45 12:00 PM
AVERAGE 66
......................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 95 1881
MINIMUM TEMPERATURE (F) 57 39 1878
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.
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