National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2007-10-20 05:32 UTC
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000
CDUS41 KLWX 200532
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
132 AM EDT SAT OCT 20 2007
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR OCTOBER 19 2007...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2007
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 78 910 AM 83 1991 67 11 67
1963
MINIMUM 56 1155 PM 25 1976 41 15 55
AVERAGE 67 54 13 61
PRECIPITATION (IN)
YESTERDAY 0.35 1.36 1966 0.10 0.25 0.06
MONTH TO DATE 0.35 2.10 -1.75 3.23
SINCE SEP 1 1.75 5.92 -4.17 10.35
SINCE JAN 1 19.39 34.15 -14.76 37.34
SNOWFALL (IN)
YESTERDAY 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 11 -11 4
MONTH TO DATE 39 163 -124 137
SINCE SEP 1 67 223 -156 191
SINCE JUL 1 67 228 -161 191
COOLING
YESTERDAY 2 0 2 0
MONTH TO DATE 100 15 85 14
SINCE SEP 1 320 147 173 94
SINCE JAN 1 1585 1072 513 1255
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 8.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1100 PM
LOWEST 57 800 PM
AVERAGE 75
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 83 1969
MINIMUM TEMPERATURE (F) 40 20 1972
SUNRISE AND SUNSET
OCTOBER 20 2007.......SUNRISE 724 AM EDT SUNSET 625 PM EDT
OCTOBER 21 2007.......SUNRISE 725 AM EDT SUNSET 623 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$