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

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CDUS43 KLSX 130733
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
132 AM CST WED DEC 13 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 12 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         41    102 AM  72    2015  43     -2       40
  MINIMUM         27   1159 PM  -5    1962  28     -1       29
  AVERAGE         34                        35     -1       35

PRECIPITATION (IN)
  YESTERDAY        0.00          1.31 1972   0.09  -0.09      T
  MONTH TO DATE    0.15                      1.19  -1.04     0.28
  SINCE DEC 1      0.15                      1.19  -1.04     0.28
  SINCE JAN 1     35.96                     39.31  -3.35    40.59

SNOWFALL (IN)
  YESTERDAY        0.0           4.4  2010   0.2   -0.2      0.0
  MONTH TO DATE    T                         1.3   -1.3      0.0
  SINCE DEC 1      T                         1.3   -1.3      0.0
  SINCE JUL 1      T                         2.0   -2.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       31                        30      1       30
  MONTH TO DATE  290                       333    -43      354
  SINCE DEC 1    290                       333    -43      354
  SINCE JUL 1    992                      1159   -167      845

 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    26   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED    12.8


SKY COVER
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    73          1200 AM
 LOWEST     23           400 PM
 AVERAGE    48

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   43        73      1948
 MINIMUM TEMPERATURE (F)   27         1      1903


SUNRISE AND SUNSET
DECEMBER 13 2017......SUNRISE   711 AM CST   SUNSET   440 PM CST
DECEMBER 14 2017......SUNRISE   712 AM CST   SUNSET   441 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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