National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2022-05-20 05:22 UTC
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934
CDUS41 KLWX 200522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT FRI MAY 20 2022
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 19 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 84 4:20 PM 92 1996 76 8 85
1997
MINIMUM 60 6:35 AM 36 2002 54 6 50
AVERAGE 72 65 7 68
PRECIPITATION (IN)
YESTERDAY 0.06 1.18 1988 0.15 -0.09 0.00
MONTH TO DATE 4.20 2.83 1.37 1.03
SINCE MAR 1 8.37 9.80 -1.43 5.58
SINCE JAN 1 14.57 15.35 -0.78 11.74
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
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 3 -3 0
MONTH TO DATE 75 87 -12 117
SINCE MAR 1 941 1054 -113 932
SINCE JUL 1 4015 4564 -549 4125
COOLING
YESTERDAY 7 3 4 3
MONTH TO DATE 35 38 -3 20
SINCE MAR 1 49 60 -11 46
SINCE JAN 1 49 60 -11 46
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 6.8
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 AM
LOWEST 36 5:00 PM
AVERAGE 65
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 93 1996
MINIMUM TEMPERATURE (F) 54 36 2002
SUNRISE AND SUNSET
MAY 20 2022...........SUNRISE 5:53 AM EDT SUNSET 8:20 PM EDT
MAY 21 2022...........SUNRISE 5:52 AM EDT SUNSET 8:21 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$