National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-07-20 05:24 UTC
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981
CDUS41 KLWX 200524
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
124 AM EDT MON JUL 20 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 19 2020...
CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1960 TO 2020
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 98R 5:12 PM 98 1977 88 10 96
MINIMUM 71 3:47 AM 53 1976 66 5 72
AVERAGE 85 77 8 84
PRECIPITATION (IN)
YESTERDAY 0.00 1.52 1968 0.11 -0.11 0.00
MONTH TO DATE 1.56 2.24 -0.68 1.95
SINCE JUN 1 6.77 6.22 0.55 4.39
SINCE JAN 1 23.29 23.04 0.25 24.27
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 T
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 5 15 -10 9
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 20 12 8 19
MONTH TO DATE 295 223 72 277
SINCE JUN 1 568 460 108 533
SINCE JAN 1 645 552 93 712
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 4.5
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 6:00 AM
LOWEST 39 5:00 PM
AVERAGE 65
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 101 1980
MINIMUM TEMPERATURE (F) 66 55 1974
SUNRISE AND SUNSET
JULY 20 2020..........SUNRISE 6:01 AM EDT SUNSET 8:31 PM EDT
JULY 21 2020..........SUNRISE 6:02 AM EDT SUNSET 8:30 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$