Climatological Report (Daily) Issued by NWS Sterling, VA
000
CDUS41 KLWX 180530
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
130 AM EDT THU APR 18 2024
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...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 17 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 74 2:26 PM 93 2002 68 6 68
MINIMUM 59 6:13 AM 27 1983 44 15 40
AVERAGE 67 56 11 54
PRECIPITATION (IN)
YESTERDAY T 1.44 2000 0.11 -0.11 0.00
MONTH TO DATE 1.43 1.87 -0.44 0.36
SINCE MAR 1 5.32 5.37 -0.05 1.93
SINCE JAN 1 12.77 10.92 1.85 5.56
SNOWFALL (IN)
YESTERDAY 0.0 T 1983 0.0 0.0 0.0
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 10 -10 11
MONTH TO DATE 134 216 -82 115
SINCE MAR 1 598 863 -265 685
SINCE JUL 1 3562 4373 -811 3649
COOLING
YESTERDAY 2 1 1 0
MONTH TO DATE 18 6 12 36
SINCE MAR 1 18 8 10 37
SINCE JAN 1 21 8 13 37
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WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 7.3
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 11:00 PM
LOWEST 35 5:00 AM
AVERAGE 58
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 90 1976
MINIMUM TEMPERATURE (F) 44 29 2018
SUNRISE AND SUNSET
APRIL 18 2024.........SUNRISE 6:28 AM EDT SUNSET 7:50 PM EDT
APRIL 19 2024.........SUNRISE 6:27 AM EDT SUNSET 7:51 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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