National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2022-01-21 05:24 UTC
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937
CDUS41 KLWX 210524
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1224 AM EST FRI JAN 21 2022
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 20 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 41 7:24 AM 63 2006 42 -1 43
MINIMUM 25 11:59 PM -7 1985 25 0 22
AVERAGE 33 34 -1 33
PRECIPITATION (IN)
YESTERDAY 0.48 1.01 1979 0.10 0.38 0.01
MONTH TO DATE 3.77 1.89 1.88 1.26
SINCE DEC 1 4.23 5.19 -0.96 7.07
SINCE JAN 1 3.77 1.89 1.88 1.26
SNOWFALL (IN)
YESTERDAY T 4.6 2000 0.2 -0.2 T
MONTH TO DATE 10.4 3.9 6.5 T
SINCE DEC 1 10.4 6.7 3.7 2.4
SINCE JUL 1 10.4 7.0 3.4 2.4
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 32 31 1 32
MONTH TO DATE 614 616 -2 550
SINCE DEC 1 1229 1461 -232 1352
SINCE JUL 1 1955 2361 -406 2019
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 20 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 9.8
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1:00 AM
LOWEST 45 8:00 PM
AVERAGE 69
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 63 2018
MINIMUM TEMPERATURE (F) 25 -16 1984
SUNRISE AND SUNSET
JANUARY 21 2022.......SUNRISE 7:24 AM EST SUNSET 5:19 PM EST
JANUARY 22 2022.......SUNRISE 7:24 AM EST SUNSET 5:20 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$