Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 120523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT FRI APR 12 2024
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 11 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 71 1:28 PM 87 1977 65 6 79
MINIMUM 64 6:24 AM 25 1960 42 22 41
1970
1971
AVERAGE 68 54 14 60
PRECIPITATION (IN)
YESTERDAY 0.05 0.74 2009 0.11 -0.06 0.00
MONTH TO DATE 1.33 1.22 0.11 0.34
SINCE MAR 1 5.22 4.72 0.50 1.91
SINCE JAN 1 12.67 10.27 2.40 5.54
SNOWFALL (IN)
YESTERDAY 0.0 T 1973 0.0 0.0 0.0
1986
MONTH TO DATE T 0.1 -0.1 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 12 -12 5
MONTH TO DATE 119 151 -32 104
SINCE MAR 1 583 798 -215 674
SINCE JUL 1 3547 4308 -761 3638
COOLING
YESTERDAY 3 0 3 0
MONTH TO DATE 9 0 9 18
SINCE MAR 1 9 2 7 19
SINCE JAN 1 12 2 10 19
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 12.3
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 5:00 PM
LOWEST 66 1:00 PM
AVERAGE 77
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 87 1977
MINIMUM TEMPERATURE (F) 42 23 1982
SUNRISE AND SUNSET
APRIL 12 2024.........SUNRISE 6:37 AM EDT SUNSET 7:45 PM EDT
APRIL 13 2024.........SUNRISE 6:35 AM EDT SUNSET 7:46 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$