616
CDUS41 KLWX 220521
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
120 AM EDT MON SEP 22 2008
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 21 2008...
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)
YESTERDAY
MAXIMUM 82 420 PM 96 1895 78 4 83
MINIMUM 56 519 AM 41 1956 60 -4 63
AVERAGE 69 69 0 73
PRECIPITATION (IN)
YESTERDAY 0.00 2.18 1979 0.13 -0.13 0.00
MONTH TO DATE 4.11 2.68 1.43 0.60
SINCE SEP 1 4.11 2.68 1.43 0.60
SINCE JAN 1 37.66 28.94 8.72 21.64
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 1 -1 0
MONTH TO DATE 0 4 -4 10
SINCE SEP 1 0 4 -4 10
SINCE JUL 1 0 11 -11 10
COOLING
YESTERDAY 4 5 -1 8
MONTH TO DATE 235 162 73 176
SINCE SEP 1 235 162 73 176
SINCE JAN 1 1624 1461 163 1604
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 2.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 500 AM
LOWEST 39 400 PM
AVERAGE 60
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 98 1895
MINIMUM TEMPERATURE (F) 60 39 1904
SUNRISE AND SUNSET
SEPTEMBER 22 2008.....SUNRISE 656 AM EDT SUNSET 704 PM EDT
SEPTEMBER 23 2008.....SUNRISE 657 AM EDT SUNSET 703 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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