807
CDUS41 KLWX 110630
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
230 AM EDT SUN MAY 11 2025
...............................
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 10 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 74 4:17 PM 95 1963 75 -1 61
MINIMUM 49 1:14 AM 35 1947 56 -7 51
AVERAGE 62 66 -4 56
PRECIPITATION (IN)
YESTERDAY 0.00 1.38 1990 0.13 -0.13 0.07
MONTH TO DATE 2.21 1.25 0.96 1.72
SINCE MAR 1 7.73 7.96 -0.23 8.67
SINCE JAN 1 12.52 13.44 -0.92 15.96
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 3 2 1 9
MONTH TO DATE 9 31 -22 20
SINCE MAR 1 521 811 -290 594
SINCE JUL 1 3261 3734 -473 3146
COOLING
YESTERDAY 0 3 -3 0
MONTH TO DATE 48 25 23 55
SINCE MAR 1 140 60 80 103
SINCE JAN 1 140 60 80 104
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 8.8
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 12:00 AM
LOWEST 28 5:00 PM
AVERAGE 56
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THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 94 1896
1911
MINIMUM TEMPERATURE (F) 57 33 1906
SUNRISE AND SUNSET
MAY 11 2025...........SUNRISE 5:59 AM EDT SUNSET 8:10 PM EDT
MAY 12 2025...........SUNRISE 5:58 AM EDT SUNSET 8:11 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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