National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-05-25 05:27 UTC
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368
CDUS41 KLWX 250527
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
127 AM EDT THU MAY 25 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 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 65 1140 AM 90 1964 77 -12 82
MINIMUM 57 1159 PM 36 1963 54 3 52
AVERAGE 61 65 -4 67
PRECIPITATION (IN)
YESTERDAY 0.34 0.83 2005 0.15 0.19 0.05
1994
MONTH TO DATE 5.82 3.49 2.33 6.07
SINCE MAR 1 12.98 10.34 2.64 9.40
SINCE JAN 1 16.42 15.76 0.66 17.66
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 4 3 1 0
MONTH TO DATE 138 115 23 164
SINCE MAR 1 957 1097 -140 945
SINCE JUL 1 3850 4687 -837 4036
COOLING
YESTERDAY 0 3 -3 2
MONTH TO DATE 50 45 5 6
SINCE MAR 1 119 65 54 29
SINCE JAN 1 119 65 54 29
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 7.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1200 AM
LOWEST 67 1200 PM
AVERAGE 80
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 92 1991
MINIMUM TEMPERATURE (F) 54 36 1967
SUNRISE AND SUNSET
MAY 25 2017...........SUNRISE 550 AM EDT SUNSET 824 PM EDT
MAY 26 2017...........SUNRISE 549 AM EDT SUNSET 825 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$