National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2022-04-17 05:21 UTC
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283
CDUS41 KLWX 170521
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
121 AM EDT SUN APR 17 2022
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 16 2022...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2022
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 79 3:19 PM 91 2002 67 12 59
MINIMUM 56 11:59 PM 28 1981 43 13 35
AVERAGE 68 55 13 47
PRECIPITATION (IN)
YESTERDAY T 2.43 1993 0.11 -0.11 0.00
MONTH TO DATE 1.67 1.76 -0.09 1.51
SINCE MAR 1 3.59 5.26 -1.67 3.78
SINCE JAN 1 9.79 10.81 -1.02 9.94
SNOWFALL (IN)
YESTERDAY 0.0 T 1988 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 T
SINCE MAR 1 3.5 4.0 -0.5 T
SINCE JUL 1 15.8 21.0 -5.2 12.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 10 -10 18
MONTH TO DATE 186 206 -20 167
SINCE MAR 1 709 853 -144 682
SINCE JUL 1 3783 4363 -580 3875
COOLING
YESTERDAY 3 1 2 0
MONTH TO DATE 8 5 3 5
SINCE MAR 1 11 7 4 9
SINCE JAN 1 11 7 4 9
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 12.0
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 60 11:00 PM
LOWEST 26 2:00 PM
AVERAGE 43
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 93 2002
MINIMUM TEMPERATURE (F) 44 27 1983
SUNRISE AND SUNSET
APRIL 17 2022.........SUNRISE 6:30 AM EDT SUNSET 7:49 PM EDT
APRIL 18 2022.........SUNRISE 6:29 AM EDT SUNSET 7:50 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$