National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-05-30 05:24 UTC
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249
CDUS41 KLWX 300524
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
124 AM EDT SAT MAY 30 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 29 2020...
CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1960 TO 2020
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 86 1:49 PM 97 1969 79 7 91
MINIMUM 66 11:59 PM 40 1997 56 10 66
AVERAGE 76 67 9 79
PRECIPITATION (IN)
YESTERDAY 0.08 1.00 1984 0.16 -0.08 0.00
MONTH TO DATE 2.40 4.25 -1.85 4.72
SINCE MAR 1 9.95 11.10 -1.15 12.09
SINCE JAN 1 16.52 16.52 0.00 19.55
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 T 3.1 -3.1 1.6
SINCE JUL 1 2.9 22.0 -19.1 26.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 175 127 48 60
SINCE MAR 1 1005 1109 -104 942
SINCE JUL 1 4149 4699 -550 4447
COOLING
YESTERDAY 11 4 7 14
MONTH TO DATE 65 64 1 139
SINCE MAR 1 68 84 -16 161
SINCE JAN 1 68 84 -16 161
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 11.6
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 12:00 AM
LOWEST 57 2:00 PM
AVERAGE 73
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 95 1987
1991
2006
MINIMUM TEMPERATURE (F) 56 38 1996
SUNRISE AND SUNSET
MAY 30 2020...........SUNRISE 5:47 AM EDT SUNSET 8:28 PM EDT
MAY 31 2020...........SUNRISE 5:46 AM EDT SUNSET 8:29 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$