Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 212124
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
524 PM EDT TUE MAY 21 2024
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 21 2024...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 86 3:06 PM 92 1996 76 10 79
2022
MINIMUM 57 5:31 AM 33 1992 55 2 51
AVERAGE 72 65 7 65
PRECIPITATION (IN)
TODAY 0.00 1.06 2003 0.17 -0.17 0.00
MONTH TO DATE 3.16 3.16 -0.00 1.04
SINCE MAR 1 8.79 10.13 -1.34 5.91
SINCE JAN 1 16.24 15.68 0.56 9.54
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 T 4.0 -4.0 T
SINCE JUL 1 11.7 21.0 -9.3 0.4
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 3 -3 0
MONTH TO DATE 47 93 -46 95
SINCE MAR 1 726 1060 -334 878
SINCE JUL 1 3690 4570 -880 3842
COOLING
TODAY 7 3 4 0
MONTH TO DATE 56 44 12 18
SINCE MAR 1 100 66 34 63
SINCE JAN 1 103 66 37 63
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 5.1
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 2:00 AM
LOWEST 37 3:00 PM
AVERAGE 67
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 91 2022
MINIMUM TEMPERATURE (F) 55 31 2002
SUNRISE AND SUNSET
MAY 21 2024...........SUNRISE 5:52 AM EDT SUNSET 8:21 PM EDT
MAY 22 2024...........SUNRISE 5:51 AM EDT SUNSET 8:22 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$