Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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817
CDUS41 KLWX 200525
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
125 AM EDT MON MAY 20 2024
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 19 2024...
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)
YESTERDAY
MAXIMUM 76 6:05 PM 92 1996 76 0 77
1997
MINIMUM 58 11:54 PM 36 2002 54 4 47
AVERAGE 67 65 2 62
PRECIPITATION (IN)
YESTERDAY 0.00 1.18 1988 0.15 -0.15 0.00
MONTH TO DATE 3.16 2.83 0.33 0.75
SINCE MAR 1 8.79 9.80 -1.01 5.62
SINCE JAN 1 16.24 15.35 0.89 9.25
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 T 4.0 -4.0 T
SINCE JUL 1 11.7 21.0 -9.3 0.4
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 3
MONTH TO DATE 47 87 -40 95
SINCE MAR 1 726 1054 -328 878
SINCE JUL 1 3690 4564 -874 3842
COOLING
YESTERDAY 2 3 -1 0
MONTH TO DATE 46 38 8 16
SINCE MAR 1 90 60 30 61
SINCE JAN 1 93 60 33 61
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 1.9
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 12:00 AM
LOWEST 58 5:00 PM
AVERAGE 76
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 93 1996
MINIMUM TEMPERATURE (F) 54 36 2002
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.
$$