Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 182126
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
526 PM EDT SAT MAY 18 2024
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 18 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 63 3:59 PM 91 1987 75 -12 70
MINIMUM 61 8:11 AM 33 1973 54 7 46
AVERAGE 62 64 -2 58
PRECIPITATION (IN)
TODAY 0.64 3.13 1988 0.15 0.49 0.00
MONTH TO DATE 3.11 2.68 0.43 0.75
SINCE MAR 1 8.74 9.65 -0.91 5.62
SINCE JAN 1 16.19 15.20 0.99 9.25
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 3 3 0 7
MONTH TO DATE 48 84 -36 92
SINCE MAR 1 727 1051 -324 875
SINCE JUL 1 3691 4561 -870 3839
COOLING
TODAY 0 3 -3 0
MONTH TO DATE 44 35 9 16
SINCE MAR 1 88 57 31 61
SINCE JAN 1 91 57 34 61
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 3.9
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 3:00 AM
LOWEST 81 10:00 AM
AVERAGE 87
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 92 1996
1997
MINIMUM TEMPERATURE (F) 54 36 2002
SUNRISE AND SUNSET
MAY 18 2024...........SUNRISE 5:54 AM EDT SUNSET 8:19 PM EDT
MAY 19 2024...........SUNRISE 5:53 AM EDT SUNSET 8:20 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$