National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-04-10 05:27 UTC
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329
CDUS41 KLWX 100527
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
127 AM EDT FRI APR 10 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 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 69 12:30 PM 89 2001 65 4 79
MINIMUM 45 11:59 PM 23 1977 40 5 55
AVERAGE 57 52 5 67
PRECIPITATION (IN)
YESTERDAY 0.12 1.02 1998 0.13 -0.01 0.00
MONTH TO DATE 0.48 1.09 -0.61 0.38
SINCE MAR 1 2.47 4.47 -2.00 4.93
SINCE JAN 1 9.04 9.89 -0.85 12.39
SNOWFALL (IN)
YESTERDAY 0.0 2.6 1982 0.0 0.0 0.0
MONTH TO DATE 0.0 0.2 -0.2 0.0
SINCE MAR 1 T 3.0 -3.0 1.6
SINCE JUL 1 2.9 21.9 -19.0 26.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 8 13 -5 0
MONTH TO DATE 81 129 -48 114
SINCE MAR 1 529 776 -247 798
SINCE JUL 1 3673 4366 -693 4303
COOLING
YESTERDAY 0 0 0 2
MONTH TO DATE 0 0 0 8
SINCE MAR 1 3 3 0 8
SINCE JAN 1 3 3 0 8
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 51 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 14.4
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 7:00 AM
LOWEST 33 5:00 PM
AVERAGE 63
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 89 2013
MINIMUM TEMPERATURE (F) 41 19 1985
SUNRISE AND SUNSET
APRIL 10 2020.........SUNRISE 6:40 AM EDT SUNSET 7:43 PM EDT
APRIL 11 2020.........SUNRISE 6:38 AM EDT SUNSET 7:44 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$