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Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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000
CDUS41 KLWX 130540
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
138 AM EDT MON MAY 13 2013
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 12 2013...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2013
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 64 301 PM 89 1991 74 -10 77
1982
MINIMUM 41 1159 PM 34 1969 50 -9 42
AVERAGE 53 62 -9 60
PRECIPITATION (IN)
YESTERDAY 0.00 1.37 1974 0.15 -0.15 0.00
MONTH TO DATE 2.21 1.64 0.57 0.62
SINCE MAR 1 7.67 8.49 -0.82 3.96
SINCE JAN 1 13.00 13.91 -0.91 8.05
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0
SINCE JUL 1 12.7 22.0 -9.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 12 5 7 5
MONTH TO DATE 79 71 8 23
SINCE MAR 1 1129 1053 76 698
SINCE JUL 1 4493 4643 -150 3752
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 8 15 -7 27
SINCE MAR 1 38 35 3 55
SINCE JAN 1 38 35 3 55
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 12.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 600 AM
LOWEST 27 200 PM
AVERAGE 52
..........................................................
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 2013...........SUNRISE 559 AM EDT SUNSET 814 PM EDT
MAY 14 2013...........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.
$$
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- Page last modified: May 1st, 2013 15:32 UTC