National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2022-07-31 05:30 UTC
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587
CDUS41 KLWX 310530
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
130 AM EDT SUN JUL 31 2022
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 30 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 87 5:03 PM 98 1988 88 -1 91
MINIMUM 68 11:59 PM 48 2014 67 1 69
AVERAGE 78 77 1 80
PRECIPITATION (IN)
YESTERDAY 0.00 1.29 2018 0.13 -0.13 0.00
MONTH TO DATE 5.07 4.02 1.05 2.43
SINCE JUN 1 7.82 8.32 -0.50 6.08
SINCE JAN 1 25.04 25.56 -0.52 19.66
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 13 -13 6
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 13 12 1 15
MONTH TO DATE 407 358 49 411
SINCE JUN 1 644 596 48 705
SINCE JAN 1 773 702 71 814
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 6.0
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 12:00 AM
LOWEST 42 4:00 PM
AVERAGE 67
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 98 1999
MINIMUM TEMPERATURE (F) 67 50 1997
SUNRISE AND SUNSET
JULY 31 2022..........SUNRISE 6:10 AM EDT SUNSET 8:22 PM EDT
AUGUST 1 2022........SUNRISE 6:11 AM EDT SUNSET 8:21 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$