National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2007-07-30 05:20 UTC
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000
CDUS41 KLWX 300521
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
120 AM EDT MON JUL 30 2007
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 29 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 86 1159 AM 97 1993 88 -2 92
MINIMUM 71 1130 PM 53 1978 64 7 72
1977
AVERAGE 79 76 3 82
PRECIPITATION (IN)
YESTERDAY 0.54 0.92 2001 0.11 0.43 0.00
MONTH TO DATE 1.66 3.33 -1.67 2.45
SINCE JUN 1 4.58 7.40 -2.82 14.24
SINCE JAN 1 15.88 24.21 -8.33 25.75
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 0 0 0
MONTH TO DATE 0 1 -1 0
SINCE JUN 1 3 22 -19 4
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 14 12 2 17
MONTH TO DATE 359 323 36 391
SINCE JUN 1 650 526 124 630
SINCE JAN 1 801 601 200 712
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 5.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 300 PM
LOWEST 61 1200 PM
AVERAGE 74
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 98 1988
MINIMUM TEMPERATURE (F) 64 51 1981
SUNRISE AND SUNSET
JULY 30 2007..........SUNRISE 609 AM EDT SUNSET 823 PM EDT
JULY 31 2007..........SUNRISE 609 AM EDT SUNSET 822 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$