National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-05-13 05:33 UTC
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037
CDUS41 KLWX 130534
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
133 AM EDT SAT MAY 13 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 12 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 56 215 PM 89 1991 74 -18 67
1982
MINIMUM 48 1159 PM 34 1969 50 -2 57
AVERAGE 52 62 -10 62
PRECIPITATION (IN)
YESTERDAY 0.38 1.37 1974 0.15 0.23 T
MONTH TO DATE 3.78 1.64 2.14 3.75
SINCE MAR 1 10.94 8.49 2.45 7.08
SINCE JAN 1 14.38 13.91 0.47 15.34
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0
SINCE JUL 1 7.3 22.0 -14.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 13 5 8 3
MONTH TO DATE 103 71 32 86
SINCE MAR 1 922 1053 -131 867
SINCE JUL 1 3815 4643 -828 3958
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 12 15 -3 2
SINCE MAR 1 81 35 46 25
SINCE JAN 1 81 35 46 25
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 5.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 300 AM
LOWEST 66 100 PM
AVERAGE 80
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 92 2000
MINIMUM TEMPERATURE (F) 50 32 1976
SUNRISE AND SUNSET
MAY 13 2017...........SUNRISE 559 AM EDT SUNSET 814 PM EDT
MAY 14 2017...........SUNRISE 558 AM EDT SUNSET 815 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$