Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 232123
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT FRI MAY 23 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 23 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 66 3:59 PM 92 1964 77 -11 87
2021
MINIMUM 52 12:57 AM 39 1971 55 -3 67
1990
2002
AVERAGE 59 66 -7 77
PRECIPITATION (IN)
TODAY 0.00 2.40 2010 0.16 -0.16 0.05
MONTH TO DATE 3.96 3.48 0.48 3.21
SINCE MAR 1 7.39 10.45 -3.06 8.84
SINCE JAN 1 11.81 16.00 -4.19 16.29
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 0.0 4.0 -4.0 T
SINCE JUL 1 15.5 21.0 -5.5 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 6 3 3 0
MONTH TO DATE 40 99 -59 47
SINCE MAR 1 731 1066 -335 726
SINCE JUL 1 4053 4576 -523 3690
COOLING
TODAY 0 4 -4 12
MONTH TO DATE 68 51 17 81
SINCE MAR 1 115 73 42 125
SINCE JAN 1 115 73 42 128
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 10.7
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 1:00 AM
LOWEST 37 2:00 PM
AVERAGE 59
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 90 1964
MINIMUM TEMPERATURE (F) 55 36 1963
SUNRISE AND SUNSET
MAY 23 2025...........SUNRISE 5:51 AM EDT SUNSET 8:23 PM EDT
MAY 24 2025...........SUNRISE 5:50 AM EDT SUNSET 8:24 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$