174
CDUS41 KLWX 112128
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
526 PM EDT THU SEP 11 2008
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 11 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 80 255 PM 98 1983 81 -1 77
MINIMUM 68 613 AM 40 1917 64 4 71
AVERAGE 74 72 2 74
PRECIPITATION (IN)
TODAY 0.00 1.85 1882 0.13 -0.13 0.04
MONTH TO DATE 4.08 1.38 2.70 0.45
SINCE SEP 1 4.08 1.38 2.70 0.45
SINCE JAN 1 37.63 27.64 9.99 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 9 8 1 9
MONTH TO DATE 145 98 47 141
SINCE SEP 1 145 98 47 141
SINCE JAN 1 1534 1397 137 1569
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 6.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 600 AM
LOWEST 45 300 PM
AVERAGE 61
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 96 1931
1895
MINIMUM TEMPERATURE (F) 63 41 1917
SUNRISE AND SUNSET
SEPTEMBER 11 2008.....SUNRISE 646 AM EDT SUNSET 722 PM EDT
SEPTEMBER 12 2008.....SUNRISE 647 AM EDT SUNSET 720 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page