National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-05-29 05:22 UTC
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424
CDUS41 KLWX 290522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT FRI MAY 29 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 28 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 85 3:40 PM 90 1991 78 7 90
2012
2019
MINIMUM 70 2:29 AM 37 1994 55 15 65
AVERAGE 78 67 11 78
PRECIPITATION (IN)
YESTERDAY 0.07 2.16 1982 0.15 -0.08 0.36
MONTH TO DATE 2.32 4.09 -1.77 4.72
SINCE MAR 1 9.87 10.94 -1.07 12.09
SINCE JAN 1 16.44 16.36 0.08 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 175 125 50 60
SINCE MAR 1 1005 1107 -102 942
SINCE JUL 1 4149 4697 -548 4447
COOLING
YESTERDAY 13 4 9 13
MONTH TO DATE 54 60 -6 125
SINCE MAR 1 57 80 -23 147
SINCE JAN 1 57 80 -23 147
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 10.5
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 8:00 AM
LOWEST 61 4:00 PM
AVERAGE 77
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 97 1969
MINIMUM TEMPERATURE (F) 56 40 1997
SUNRISE AND SUNSET
MAY 29 2020...........SUNRISE 5:47 AM EDT SUNSET 8:28 PM EDT
MAY 30 2020...........SUNRISE 5:47 AM EDT SUNSET 8:28 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$