National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2021-04-27 05:26 UTC
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736
CDUS41 KLWX 270526
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
126 AM EDT TUE APR 27 2021
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 26 2021...
CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1960 TO 2021
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 69 6:01 PM 92 1990 70 -1 56
2009
MINIMUM 41 4:56 AM 31 1967 45 -4 47
AVERAGE 55 58 -3 52
PRECIPITATION (IN)
YESTERDAY 0.00 0.93 2004 0.12 -0.12 0.38
MONTH TO DATE 2.22 3.00 -0.78 4.02
SINCE MAR 1 4.49 6.38 -1.89 6.01
SINCE JAN 1 10.65 11.80 -1.15 12.58
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0
2002
MONTH TO DATE T 0.3 -0.3 T
SINCE MAR 1 T 3.1 -3.1 T
SINCE JUL 1 12.0 22.0 -10.0 2.9
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 10 8 2 13
MONTH TO DATE 295 307 -12 337
SINCE MAR 1 810 954 -144 785
SINCE JUL 1 4003 4544 -541 3929
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 5 14 -9 0
SINCE MAR 1 9 17 -8 3
SINCE JAN 1 9 17 -8 3
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 9.0
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 11:00 PM
LOWEST 22 3:00 PM
AVERAGE 49
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 92 1990
2009
MINIMUM TEMPERATURE (F) 45 31 1972
1987
SUNRISE AND SUNSET
APRIL 27 2021.........SUNRISE 6:16 AM EDT SUNSET 7:59 PM EDT
APRIL 28 2021.........SUNRISE 6:15 AM EDT SUNSET 8:00 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$