357
CDUS41 KLWX 182127
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
525 PM EDT THU SEP 18 2008
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 18 2008...
VALID TODAY AS OF 500 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 83 236 PM 91 1927 79 4 74
1921
1898
MINIMUM 61 611 AM 45 1937 61 0 55
AVERAGE 72 70 2 65
PRECIPITATION (IN)
TODAY 0.00 2.28 2003 0.13 -0.13 0.00
MONTH TO DATE 4.11 2.29 1.82 0.60
SINCE SEP 1 4.11 2.29 1.82 0.60
SINCE JAN 1 37.66 28.55 9.11 21.64
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 1 -1 0
MONTH TO DATE 0 1 -1 10
SINCE SEP 1 0 1 -1 10
SINCE JUL 1 0 8 -8 10
COOLING
TODAY 7 6 1 0
MONTH TO DATE 227 145 82 161
SINCE SEP 1 227 145 82 161
SINCE JAN 1 1616 1444 172 1589
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 6.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 1200 AM
LOWEST 42 1200 PM
AVERAGE 58
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 96 1895
MINIMUM TEMPERATURE (F) 61 44 1916
SUNRISE AND SUNSET
SEPTEMBER 18 2008.....SUNRISE 653 AM EDT SUNSET 711 PM EDT
SEPTEMBER 19 2008.....SUNRISE 653 AM EDT SUNSET 709 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