National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2003-05-13 05:30 UTC
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315
CDUS41 KLWX 130534
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
130 AM EDT TUE MAY 13 2003
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 12 2003...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2003
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 68 1207 AM 89 1991 73 -5 84
MINIMUM 54 1159 PM 34 1969 49 5 58
AVERAGE 61 61 0 71
PRECIPITATION (IN)
YESTERDAY T 1.37 1974 0.14 -0.14 0.13
MONTH TO DATE 2.11 1.56 0.55 1.21
SINCE MAR 1 8.53 8.33 0.20 8.14
SINCE JAN 1 17.49 14.15 3.34 9.83
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 1.9 3.8 -1.9 0.0
SINCE JUL 1 50.1 21.2 28.9 2.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 4 5 -1 0
MONTH TO DATE 51 76 -25 58
SINCE MAR 1 1039 1108 -69 955
SINCE JUL 1 5083 4841 242 4004
COOLING
YESTERDAY 0 1 -1 6
MONTH TO DATE 20 12 8 17
SINCE MAR 1 28 27 1 72
SINCE JAN 1 28 27 1 72
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 9.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 67 300 AM
LOWEST 44 1200 AM
AVERAGE 56
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 92 2000
MINIMUM TEMPERATURE (F) 49 32 1976
SUNRISE AND SUNSET
MAY 13 2003...........SUNRISE 559 AM EDT SUNSET 813 PM EDT
MAY 14 2003...........SUNRISE 558 AM EDT SUNSET 814 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.