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

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760
CDUS43 KLSX 102228
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
427 PM CST SUN DEC 10 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 10 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         52    325 PM  73    1889  44      8       37
  MINIMUM         22    213 AM  -4    1917  28     -6       26
  AVERAGE         37                        36      1       32

PRECIPITATION (IN)
  TODAY            0.00          2.15 1971   0.10  -0.10     0.00
  MONTH TO DATE    0.15                      1.01  -0.86     0.27
  SINCE DEC 1      0.15                      1.01  -0.86     0.27
  SINCE JAN 1     35.96                     39.13  -3.17    40.58

SNOWFALL (IN)
  TODAY            0.0           4.0  1944   0.1   -0.1      0.0
  MONTH TO DATE    T                         1.0   -1.0      0.0
  SINCE DEC 1      T                         1.0   -1.0      0.0
  SINCE JUL 1      T                         1.7   -1.7      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           28                        29     -1       33
  MONTH TO DATE  238                       274    -36      302
  SINCE DEC 1    238                       274    -36      302
  SINCE JUL 1    940                      1100   -160      793

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1959                      1646    313     2162
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED    10.1


SKY COVER
  AVERAGE SKY COVER 0.3



RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           200 AM
 LOWEST     35           200 PM
 AVERAGE    58

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


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   43        70      1979
                                             1949
 MINIMUM TEMPERATURE (F)   28         2      1962
                                             1917


SUNRISE AND SUNSET
DECEMBER 10 2017......SUNRISE   709 AM CST   SUNSET   440 PM CST
DECEMBER 11 2017......SUNRISE   710 AM CST   SUNSET   440 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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