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Displaying AFOS PIL: CLIIAD Received: 2024-05-20 21:23 UTC
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CDUS41 KLWX 202123
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT MON MAY 20 2024
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 20 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 81 3:56 PM 93 1996 76 5 82
MINIMUM 54 3:24 AM 36 2002 54 0 51
AVERAGE 68 65 3 67
PRECIPITATION (IN)
TODAY T 1.86 2005 0.16 -0.16 0.29
MONTH TO DATE 3.16 2.99 0.17 1.04
SINCE MAR 1 8.79 9.96 -1.17 5.91
SINCE JAN 1 16.24 15.51 0.73 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 90 -43 95
SINCE MAR 1 726 1057 -331 878
SINCE JUL 1 3690 4567 -877 3842
COOLING
TODAY 3 3 0 2
MONTH TO DATE 49 41 8 18
SINCE MAR 1 93 63 30 63
SINCE JAN 1 96 63 33 63
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 2.8
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 4:00 AM
LOWEST 49 4:00 PM
AVERAGE 73
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 92 1996
2022
MINIMUM TEMPERATURE (F) 55 33 1992
SUNRISE AND SUNSET
MAY 20 2024...........SUNRISE 5:53 AM EDT SUNSET 8:21 PM EDT
MAY 21 2024...........SUNRISE 5:52 AM EDT SUNSET 8:21 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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