National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2022-12-19 05:22 UTC
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999
CDUS41 KLWX 190522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1222 AM EST MON DEC 19 2022
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 18 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 42 2:22 PM 76 2006 46 -4 56
MINIMUM 28 11:48 PM 3 1989 29 -1 45
AVERAGE 35 37 -2 51
PRECIPITATION (IN)
YESTERDAY 0.00 2.92 1977 0.11 -0.11 T
MONTH TO DATE 2.34 2.02 0.32 0.05
SINCE DEC 1 2.34 2.02 0.32 0.05
SINCE JAN 1 38.15 41.96 -3.81 34.55
SNOWFALL (IN)
YESTERDAY 0.0 2.0 2009 0.1 -0.1 0.0
MONTH TO DATE 0.0 1.5 -1.5 0.0
SINCE DEC 1 0.0 1.5 -1.5 0.0
SINCE JUL 1 T 1.8 -1.8 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 30 28 2 14
MONTH TO DATE 454 467 -13 345
SINCE DEC 1 454 467 -13 345
SINCE JUL 1 1288 1367 -79 1071
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 23 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 9.7
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 5:00 AM
LOWEST 41 1:00 PM
AVERAGE 60
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 46 63 1967
MINIMUM TEMPERATURE (F) 28 -2 1989
SUNRISE AND SUNSET
DECEMBER 19 2022......SUNRISE 7:24 AM EST SUNSET 4:50 PM EST
DECEMBER 20 2022......SUNRISE 7:24 AM EST SUNSET 4:51 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$