National Weather Service Text Product
AFOS product CLIDCA
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIDCA
Product Timestamp: 2012-09-18 05:20 UTC
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987
CDUS41 KLWX 180521
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
120 AM EDT TUE SEP 18 2012
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 17 2012...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2012
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 75 1258 PM 96 1991 79 -4 65
MINIMUM 59 617 AM 44 1923 62 -3 56
AVERAGE 67 71 -4 61
PRECIPITATION (IN)
YESTERDAY 0.14 3.26 1876 0.14 0.00 T
MONTH TO DATE 2.58 2.02 0.56 7.14
SINCE SEP 1 2.58 2.02 0.56 7.14
SINCE JAN 1 21.29 28.42 -7.13 34.44
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 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 4
MONTH TO DATE 0 2 -2 11
SINCE SEP 1 0 2 -2 11
SINCE JUL 1 0 2 -2 11
COOLING
YESTERDAY 2 6 -4 0
MONTH TO DATE 174 147 27 135
SINCE SEP 1 174 147 27 135
SINCE JAN 1 1875 1458 417 1837
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 6.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 1000 PM
LOWEST 64 100 PM
AVERAGE 74
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 91 1927
1921
1898
MINIMUM TEMPERATURE (F) 62 45 1937
SUNRISE AND SUNSET
SEPTEMBER 18 2012.....SUNRISE 653 AM EDT SUNSET 711 PM EDT
SEPTEMBER 19 2012.....SUNRISE 654 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.
$$