AFOS product CLIDCA
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CDUS41 KLWX 200524
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1223 AM EST FRI JAN 20 2012


...................................

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 19 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         41   1033 PM  71    1951  43     -2       53
  MINIMUM         25    631 AM  -4    1994  28     -3       35
  AVERAGE         33                        36     -3       44

PRECIPITATION (IN)
  YESTERDAY        0.00          1.41 1936   0.09  -0.09     0.02
  MONTH TO DATE    1.25                      1.71  -0.46     0.65
  SINCE DEC 1      6.15                      4.76   1.39     2.43
  SINCE JAN 1      1.25                      1.71  -0.46     0.65

SNOWFALL (IN)
  YESTERDAY        0.0           7.0  1961   0.2   -0.2
  MONTH TO DATE    0.6                       3.2   -2.6
  SINCE JUL 1      0.6                       6.0   -5.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       32                        29      3       21
  MONTH TO DATE  469                       551    -82      571
  SINCE DEC 1   1082                      1337   -255     1504
  SINCE JUL 1   1677                      2032   -355     2076

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     9.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    58           900 AM
 LOWEST     40           300 PM
 AVERAGE    49

..........................................................


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   43        70      1951
 MINIMUM TEMPERATURE (F)   28        -2      1985


SUNRISE AND SUNSET
JANUARY 20 2012.......SUNRISE   723 AM EST   SUNSET   515 PM EST
JANUARY 21 2012.......SUNRISE   723 AM EST   SUNSET   516 PM EST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$