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349
CDUS41 KLWX 180525
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
124 AM EDT THU MAR 18 2010
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MARCH 17 2010...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1871 TO 2010
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 68 403 PM 88 1945 56 12 53
MINIMUM 41 549 AM 13 1900 38 3 41
AVERAGE 55 47 8 47
PRECIPITATION (IN)
YESTERDAY 0.00 1.34 1990 0.12 -0.12 0.06
MONTH TO DATE 1.63 2.00 -0.37 0.83
SINCE MAR 1 1.63 2.00 -0.37 0.83
SINCE JAN 1 5.91 7.84 -1.93 3.86
SNOWFALL (IN)
YESTERDAY 0.0 1.9 1965 T 0.0
MONTH TO DATE T 1.6 -1.6
SINCE JUL 1 56.1 15.2 40.9
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 10 18 -8 18
MONTH TO DATE 277 346 -69 366
SINCE MAR 1 277 346 -69 366
SINCE JUL 1 3474 3488 -14 3621
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 2.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 200 AM
LOWEST 19 300 PM
AVERAGE 48
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 81 1989
MINIMUM TEMPERATURE (F) 38 13 1900
1877
SUNRISE AND SUNSET
MARCH 18 2010.........SUNRISE 715 AM EDT SUNSET 718 PM EDT
MARCH 19 2010.........SUNRISE 713 AM EDT SUNSET 719 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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