National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-01-25 05:28 UTC
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724
CDUS41 KLWX 250529
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1228 AM EST WED JAN 25 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 24 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 47 1041 PM 73 1967 43 4 35
MINIMUM 36 550 AM -2 1987 24 12 9
AVERAGE 42 33 9 22
PRECIPITATION (IN)
YESTERDAY 0.07 1.18 1979 0.09 -0.02 0.00
MONTH TO DATE 2.71 2.04 0.67 4.45
SINCE DEC 1 5.07 5.00 0.07 8.21
SINCE JAN 1 2.71 2.04 0.67 4.45
SNOWFALL (IN)
YESTERDAY 0.0 2.5 1977 0.3 -0.3
MONTH TO DATE 0.7 5.3 -4.6
SINCE JUL 1 0.7 9.3 -8.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 23 32 -9 43
MONTH TO DATE 613 768 -155 806
SINCE DEC 1 1436 1650 -214 1309
SINCE JUL 1 2163 2566 -403 2059
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 2
SINCE JAN 1 0 0 0 0
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 16.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 1200 AM
LOWEST 65 1100 AM
AVERAGE 79
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 73 1967
MINIMUM TEMPERATURE (F) 24 -5 1987
SUNRISE AND SUNSET
JANUARY 25 2017.......SUNRISE 721 AM EST SUNSET 523 PM EST
JANUARY 26 2017.......SUNRISE 721 AM EST SUNSET 524 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$