National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-07-10 05:27 UTC
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738
CDUS41 KLWX 100527
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
127 AM EDT FRI JUL 10 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 9 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 90 2:43 PM 99 1988 88 2 86
1993
MINIMUM 69 5:34 AM 48 1984 66 3 60
AVERAGE 80 77 3 73
PRECIPITATION (IN)
YESTERDAY 0.00 2.23 1970 0.12 -0.12 0.00
MONTH TO DATE 1.30 1.08 0.22 1.28
SINCE JUN 1 6.51 5.06 1.45 3.72
SINCE JAN 1 23.03 21.88 1.15 23.60
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 15 12 3 8
MONTH TO DATE 139 103 36 117
SINCE JUN 1 412 340 72 373
SINCE JAN 1 489 432 57 552
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 4.7
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 5:00 AM
LOWEST 47 4:00 PM
AVERAGE 70
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 99 1988
1993
MINIMUM TEMPERATURE (F) 66 53 1963
SUNRISE AND SUNSET
JULY 10 2020..........SUNRISE 5:54 AM EDT SUNSET 8:37 PM EDT
JULY 11 2020..........SUNRISE 5:54 AM EDT SUNSET 8:36 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$