National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2005-07-21 05:30 UTC
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000
CDUS41 KLWX 210531
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
130 AM EDT THU JUL 21 2005
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 20 2005...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2005
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 90 340 PM 101 1980 88 2 86
MINIMUM 73 1152 PM 55 1974 64 9 61
AVERAGE 82 76 6 74
PRECIPITATION (IN)
YESTERDAY 0.00 2.28 1970 0.11 -0.11 0.00
MONTH TO DATE 7.03 2.34 4.69 2.41
SINCE JUN 1 8.95 6.41 2.54 6.14
SINCE JAN 1 26.63 23.22 3.41 19.63
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2002 0.0 0.0 0.0
2001
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 1 -1 0
SINCE JUN 1 9 22 -13 12
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 17 12 5 9
MONTH TO DATE 264 215 49 217
SINCE JUN 1 537 418 119 414
SINCE JAN 1 565 493 72 654
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 4.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 1200 AM
LOWEST 44 300 PM
AVERAGE 69
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 101 1991
MINIMUM TEMPERATURE (F) 65 48 1966
SUNRISE AND SUNSET
JULY 21 2005..........SUNRISE 601 AM EDT SUNSET 831 PM EDT
JULY 22 2005..........SUNRISE 602 AM EDT SUNSET 830 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$