National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2022-12-14 05:21 UTC
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916
CDUS41 KLWX 140521
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1221 AM EST WED DEC 14 2022
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 13 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 44 3:23 PM 73 2015 47 -3 55
MINIMUM 23 11:59 PM 7 1988 29 -6 22
AVERAGE 34 38 -4 39
PRECIPITATION (IN)
YESTERDAY 0.00 1.47 1996 0.11 -0.11 0.00
MONTH TO DATE 0.40 1.48 -1.08 0.05
SINCE DEC 1 0.40 1.48 -1.08 0.05
SINCE JAN 1 36.21 41.42 -5.21 34.55
SNOWFALL (IN)
YESTERDAY 0.0 8.8 1966 0.1 -0.1 0.0
MONTH TO DATE 0.0 1.0 -1.0 0.0
SINCE DEC 1 0.0 1.0 -1.0 0.0
SINCE JUL 1 T 1.3 -1.3 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 31 27 4 26
MONTH TO DATE 314 330 -16 270
SINCE DEC 1 314 330 -16 270
SINCE JUL 1 1148 1230 -82 996
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1376 1231 145 1480
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 5.6
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 11:00 PM
LOWEST 36 2:00 PM
AVERAGE 55
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 69 2015
MINIMUM TEMPERATURE (F) 29 3 1989
SUNRISE AND SUNSET
DECEMBER 14 2022......SUNRISE 7:21 AM EST SUNSET 4:48 PM EST
DECEMBER 15 2022......SUNRISE 7:21 AM EST SUNSET 4:49 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$