National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2022-12-17 05:23 UTC
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216
CDUS41 KLWX 170523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1223 AM EST SAT DEC 17 2022
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 16 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 51 2:11 PM 72 1971 46 5 69
MINIMUM 33 8:26 PM 9 2016 29 4 43
AVERAGE 42 38 4 56
PRECIPITATION (IN)
YESTERDAY 0.06 1.30 2020 0.11 -0.05 T
MONTH TO DATE 2.34 1.81 0.53 0.05
SINCE DEC 1 2.34 1.81 0.53 0.05
SINCE JAN 1 38.15 41.75 -3.60 34.55
SNOWFALL (IN)
YESTERDAY 0.0 5.2 1973 0.1 -0.1 0.0
MONTH TO DATE 0.0 1.3 -1.3 0.0
SINCE DEC 1 0.0 1.3 -1.3 0.0
SINCE JUL 1 T 1.6 -1.6 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 23 27 -4 9
MONTH TO DATE 399 411 -12 324
SINCE DEC 1 399 411 -12 324
SINCE JUL 1 1233 1311 -78 1050
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 22 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 9.0
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 12:00 AM
LOWEST 51 2:00 PM
AVERAGE 74
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 46 70 1984
MINIMUM TEMPERATURE (F) 29 3 1989
SUNRISE AND SUNSET
DECEMBER 17 2022......SUNRISE 7:23 AM EST SUNSET 4:49 PM EST
DECEMBER 18 2022......SUNRISE 7:23 AM EST SUNSET 4:50 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$