National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2022-04-28 05:22 UTC
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823
CDUS41 KLWX 280522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT THU APR 28 2022
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 27 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 62 3:26 PM 92 1990 71 -9 85
2009
MINIMUM 43 11:59 PM 31 1972 47 -4 42
1987
AVERAGE 53 59 -6 64
PRECIPITATION (IN)
YESTERDAY 0.00 1.65 1973 0.13 -0.13 0.00
MONTH TO DATE 2.25 3.08 -0.83 2.22
SINCE MAR 1 4.17 6.58 -2.41 4.49
SINCE JAN 1 10.37 12.13 -1.76 10.65
SNOWFALL (IN)
YESTERDAY 0.0 T 1994 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 12 7 5 1
MONTH TO DATE 300 300 0 296
SINCE MAR 1 823 947 -124 811
SINCE JUL 1 3897 4457 -560 4004
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 11 16 -5 5
SINCE MAR 1 14 18 -4 9
SINCE JAN 1 14 18 -4 9
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 14.9
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 59 12:00 AM
LOWEST 27 5:00 PM
AVERAGE 43
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 88 1981
1983
1990
MINIMUM TEMPERATURE (F) 48 32 1972
1993
SUNRISE AND SUNSET
APRIL 28 2022.........SUNRISE 6:16 AM EDT SUNSET 8:00 PM EDT
APRIL 29 2022.........SUNRISE 6:14 AM EDT SUNSET 8:01 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$