857
CDUS41 KLWX 100628
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
228 AM EDT SAT MAY 10 2025
...............................
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 9 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 66 1:09 AM 96 1963 75 -9 75
MINIMUM 51 11:59 PM 34 1947 56 -5 60
AVERAGE 59 65 -6 68
PRECIPITATION (IN)
YESTERDAY 0.99 2.22 2008 0.12 0.87 0.22
MONTH TO DATE 2.21 1.12 1.09 1.65
SINCE MAR 1 7.73 7.83 -0.10 8.60
SINCE JAN 1 12.52 13.31 -0.79 15.89
SNOWFALL (IN)
YESTERDAY 0.0 T 1923 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 6 3 3 0
MONTH TO DATE 6 29 -23 11
SINCE MAR 1 518 809 -291 585
SINCE JUL 1 3258 3732 -474 3137
COOLING
YESTERDAY 0 3 -3 3
MONTH TO DATE 48 22 26 55
SINCE MAR 1 140 57 83 103
SINCE JAN 1 140 57 83 104
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 9.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1:00 AM
LOWEST 58 6:00 PM
AVERAGE 76
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THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 95 1963
MINIMUM TEMPERATURE (F) 56 35 1947
SUNRISE AND SUNSET
MAY 10 2025...........SUNRISE 6:00 AM EDT SUNSET 8:09 PM EDT
MAY 11 2025...........SUNRISE 5:59 AM EDT SUNSET 8:10 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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