National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2022-04-30 05:22 UTC
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754
CDUS41 KLWX 300522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT SAT APR 30 2022
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 29 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 66 5:34 PM 89 2017 71 -5 83
MINIMUM 34 5:55 AM 32 1987 48 -14 65
AVERAGE 50 60 -10 74
PRECIPITATION (IN)
YESTERDAY 0.00 1.19 2014 0.13 -0.13 0.05
MONTH TO DATE 2.25 3.34 -1.09 2.27
SINCE MAR 1 4.17 6.84 -2.67 4.54
SINCE JAN 1 10.37 12.39 -2.02 10.70
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0
MONTH TO DATE T 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 15 7 8 0
MONTH TO DATE 331 314 17 296
SINCE MAR 1 854 961 -107 811
SINCE JUL 1 3928 4471 -543 4004
COOLING
YESTERDAY 0 1 -1 9
MONTH TO DATE 11 18 -7 22
SINCE MAR 1 14 20 -6 26
SINCE JAN 1 14 20 -6 26
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 5.7
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 64 6:00 AM
LOWEST 16 6:00 PM
AVERAGE 40
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 86 1974
2007
2017
MINIMUM TEMPERATURE (F) 48 29 1977
SUNRISE AND SUNSET
APRIL 30 2022.........SUNRISE 6:13 AM EDT SUNSET 8:02 PM EDT
MAY 1 2022...........SUNRISE 6:12 AM EDT SUNSET 8:03 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$