207
CDUS41 KLWX 200521
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
120 AM EDT SAT SEP 20 2008
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 19 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 74 240 PM 96 1895 78 -4 79
MINIMUM 61 1159 PM 44 1916 61 0 58
AVERAGE 68 70 -2 69
PRECIPITATION (IN)
YESTERDAY 0.00 1.23 1875 0.13 -0.13 0.00
MONTH TO DATE 4.11 2.42 1.69 0.60
SINCE SEP 1 4.11 2.42 1.69 0.60
SINCE JAN 1 37.66 28.68 8.98 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 2 -2 10
SINCE SEP 1 0 2 -2 10
SINCE JUL 1 0 9 -9 10
COOLING
YESTERDAY 3 6 -3 4
MONTH TO DATE 230 151 79 165
SINCE SEP 1 230 151 79 165
SINCE JAN 1 1619 1450 169 1593
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 9.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 65 700 AM
LOWEST 41 400 PM
AVERAGE 53
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 94 1895
MINIMUM TEMPERATURE (F) 61 41 1916
SUNRISE AND SUNSET
SEPTEMBER 20 2008.....SUNRISE 654 AM EDT SUNSET 708 PM EDT
SEPTEMBER 21 2008.....SUNRISE 655 AM EDT SUNSET 706 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