135
CDUS41 KLWX 132123
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT SAT SEP 13 2008
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 13 2008...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1871 TO 2008
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 93 234 PM 94 1925 80 13 81
1915
MINIMUM 74 528 AM 44 1917 63 11 61
AVERAGE 84 72 12 71
PRECIPITATION (IN)
TODAY 0.00 2.30 1944 0.13 -0.13 0.00
MONTH TO DATE 4.11 1.64 2.47 0.45
SINCE SEP 1 4.11 1.64 2.47 0.45
SINCE JAN 1 37.66 27.90 9.76 21.49
SNOWFALL (IN)
TODAY 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
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 7 -7 0
COOLING
TODAY 19 7 12 6
MONTH TO DATE 175 112 63 154
SINCE SEP 1 175 112 63 154
SINCE JAN 1 1564 1411 153 1582
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 4.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 500 AM
LOWEST 44 200 PM
AVERAGE 66
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 94 1981
1980
1915
MINIMUM TEMPERATURE (F) 63 46 1911
SUNRISE AND SUNSET
SEPTEMBER 13 2008.....SUNRISE 648 AM EDT SUNSET 719 PM EDT
SEPTEMBER 14 2008.....SUNRISE 649 AM EDT SUNSET 717 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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