174
CDUS41 KLWX 200621
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
221 AM EDT TUE MAY 20 2025
...............................
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 19 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 77 2:09 PM 96 1911 77 0 76
1997
MINIMUM 61 11:59 PM 43 1976 59 2 63
AVERAGE 69 68 1 70
PRECIPITATION (IN)
YESTERDAY 0.00 3.15 1900 0.13 -0.13 0.00
MONTH TO DATE 4.75 2.40 2.35 3.27
SINCE MAR 1 10.27 9.11 1.16 10.22
SINCE JAN 1 15.06 14.59 0.47 17.51
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 0
MONTH TO DATE 9 49 -40 33
SINCE MAR 1 521 829 -308 607
SINCE JUL 1 3261 3752 -491 3159
COOLING
YESTERDAY 4 5 -1 5
MONTH TO DATE 104 60 44 69
SINCE MAR 1 196 95 101 117
SINCE JAN 1 196 95 101 118
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WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 12.9
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 65 5:00 AM
LOWEST 37 6:00 PM
AVERAGE 51
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THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 96 1996
MINIMUM TEMPERATURE (F) 59 42 2002
SUNRISE AND SUNSET
MAY 20 2025...........SUNRISE 5:51 AM EDT SUNSET 8:18 PM EDT
MAY 21 2025...........SUNRISE 5:51 AM EDT SUNSET 8:19 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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