Climatological Report (Daily)
Issued by NWS St Louis, MO

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CDUS43 KLSX 210730
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
130 AM CST SUN DEC 21 2014


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

...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 20 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         43    755 PM  71    2013  41      2       71
  MINIMUM         36    750 AM -10    1901  26     10       37
  AVERAGE         40                        33      7       54

PRECIPITATION (IN)
  YESTERDAY        0.00          1.36 1962   0.09  -0.09     0.03
  MONTH TO DATE    1.80                      1.87  -0.07     0.96
  SINCE DEC 1      1.80                      1.87  -0.07     0.96
  SINCE JAN 1     42.51                     39.99   2.52    41.68

SNOWFALL (IN)
  YESTERDAY        0.0           3.3  1960   0.2   -0.2      0.0
  MONTH TO DATE    0.2                       2.5   -2.3      5.6
  SINCE DEC 1      0.2                       2.5   -2.3      5.6
  SINCE JUL 1      4.0                       3.2    0.8      5.6
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       25                        32     -7       11
  MONTH TO DATE  511                       580    -69      605
  SINCE DEC 1    511                       580    -69      605
  SINCE JUL 1   1468                      1406     62     1475

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1732                      1646     86     1728
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED     6.4


SKY COVER
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76          1000 AM
 LOWEST     64           800 AM
 AVERAGE    70

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   41        67      1967
 MINIMUM TEMPERATURE (F)   25       -12      1989


SUNRISE AND SUNSET
DECEMBER 21 2014......SUNRISE   716 AM CST   SUNSET   443 PM CST
DECEMBER 22 2014......SUNRISE   717 AM CST   SUNSET   444 PM CST


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




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