National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-08-27 05:24 UTC
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821
CDUS41 KLWX 270524
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
124 AM EDT THU AUG 27 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 26 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 87 3:23 PM 95 1993 86 1 75
1998
2016
MINIMUM 69 5:58 AM 48 1977 63 6 60
AVERAGE 78 74 4 68
PRECIPITATION (IN)
YESTERDAY 0.00 1.48 1965 0.11 -0.11 0.00
MONTH TO DATE 5.59 3.02 2.57 4.51
SINCE JUN 1 15.65 10.67 4.98 9.68
SINCE JAN 1 32.17 27.49 4.68 29.56
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 13 9 4 3
MONTH TO DATE 342 278 64 320
SINCE JUN 1 1116 878 238 1020
SINCE JAN 1 1193 970 223 1199
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 7.4
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 4:00 AM
LOWEST 45 3:00 PM
AVERAGE 66
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 100 1987
MINIMUM TEMPERATURE (F) 63 46 1969
SUNRISE AND SUNSET
AUGUST 27 2020........SUNRISE 6:35 AM EDT SUNSET 7:47 PM EDT
AUGUST 28 2020........SUNRISE 6:36 AM EDT SUNSET 7:45 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$