National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-04-12 05:22 UTC
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350
CDUS41 KLWX 120523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT WED APR 12 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 11 2017...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2017
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 86 317 PM 87 1977 65 21 74
MINIMUM 57 615 AM 25 1971 41 16 45
1970
AVERAGE 72 53 19 60
PRECIPITATION (IN)
YESTERDAY 0.00 0.74 2009 0.12 -0.12 0.02
MONTH TO DATE 1.63 1.33 0.30 1.18
SINCE MAR 1 5.75 4.71 1.04 2.63
SINCE JAN 1 9.19 10.13 -0.94 10.89
SNOWFALL (IN)
YESTERDAY 0.0 T 1986 0.0 0.0
1973
MONTH TO DATE T 0.2 -0.2
SINCE JUL 1 7.3 21.9 -14.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 12 -12 5
MONTH TO DATE 109 154 -45 186
SINCE MAR 1 749 801 -52 632
SINCE JUL 1 3642 4391 -749 3723
COOLING
YESTERDAY 7 0 7 0
MONTH TO DATE 10 0 10 8
SINCE MAR 1 12 3 9 13
SINCE JAN 1 12 3 9 13
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 7.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 62 500 AM
LOWEST 22 200 PM
AVERAGE 42
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 87 1977
MINIMUM TEMPERATURE (F) 41 23 1982
SUNRISE AND SUNSET
APRIL 12 2017.........SUNRISE 637 AM EDT SUNSET 744 PM EDT
APRIL 13 2017.........SUNRISE 636 AM EDT SUNSET 745 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$