National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2023-01-31 05:22 UTC
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719
CDUS41 KLWX 310522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1222 AM EST TUE JAN 31 2023
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 30 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 60 4:11 PM 72 2013 43 17 30
MINIMUM 37 5:50 AM 2 1965 25 12 9
AVERAGE 49 34 15 20
PRECIPITATION (IN)
YESTERDAY 0.00 2.00 2013 0.10 -0.10 0.00
MONTH TO DATE 1.29 2.85 -1.56 3.90
SINCE DEC 1 6.24 6.15 0.09 4.36
SINCE JAN 1 1.29 2.85 -1.56 3.90
SNOWFALL (IN)
YESTERDAY 0.0 6.3 2000 0.3 -0.3 0.0
MONTH TO DATE T 6.6 -6.6 11.4
SINCE DEC 1 T 9.4 -9.4 11.4
SINCE JUL 1 T 9.7 -9.7 11.4
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 16 31 -15 45
MONTH TO DATE 670 926 -256 995
SINCE DEC 1 1532 1771 -239 1610
SINCE JUL 1 2366 2671 -305 2336
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 2.7
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 3:00 AM
LOWEST 49 3:00 PM
AVERAGE 73
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 66 2012
MINIMUM TEMPERATURE (F) 25 -7 1965
SUNRISE AND SUNSET
JANUARY 31 2023.......SUNRISE 7:17 AM EST SUNSET 5:30 PM EST
FEBRUARY 1 2023......SUNRISE 7:16 AM EST SUNSET 5:31 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$