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

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CDUS43 KLSX 080733
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
131 AM CST FRI DEC 8 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 7 2017...

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)
 YESTERDAY
  MAXIMUM         35    119 AM  73    1966  45    -10       40
  MINIMUM         20   1159 PM  -6    1882  29     -9       28
  AVERAGE         28                        37     -9       34

PRECIPITATION (IN)
  YESTERDAY        T             0.97 1966   0.10  -0.10     0.00
  MONTH TO DATE    0.15                      0.71  -0.56     0.27
  SINCE DEC 1      0.15                      0.71  -0.56     0.27
  SINCE JAN 1     35.96                     38.83  -2.87    40.58

SNOWFALL (IN)
  YESTERDAY        T             3.2  1917   0.1   -0.1      0.0
  MONTH TO DATE    T                         0.7   -0.7      0.0
  SINCE DEC 1      T                         0.7   -0.7      0.0
  SINCE JUL 1      T                         1.4   -1.4      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       37                        28      9       31
  MONTH TO DATE  139                       188    -49      189
  SINCE DEC 1    139                       188    -49      189
  SINCE JUL 1    841                      1014   -173      680

 COOLING
  YESTERDAY        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    23   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED    12.7


SKY COVER
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75          1200 AM
 LOWEST     41           300 PM
 AVERAGE    58

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   44        74      1991
 MINIMUM TEMPERATURE (F)   29        -2      1882


SUNRISE AND SUNSET
DECEMBER  8 2017......SUNRISE   707 AM CST   SUNSET   440 PM CST
DECEMBER  9 2017......SUNRISE   708 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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