AFOS product CLISTL
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CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
145 AM CST SUN DEC 20 2015


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

...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 19 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         47    333 PM  68    1976  41      6       39
  MINIMUM         26    647 AM  -7    1983  26      0       32
                                      1884
  AVERAGE         37                        34      3       36

PRECIPITATION (IN)
  YESTERDAY        0.00          1.49 1895   0.08  -0.08     0.00
  MONTH TO DATE    1.27                      1.78  -0.51     1.80
  SINCE DEC 1      1.27                      1.78  -0.51     1.80
  SINCE JAN 1     50.77                     39.90  10.87    42.51

SNOWFALL (IN)
  YESTERDAY        0.0          12.0  1973   0.2   -0.2      0.0
  MONTH TO DATE    T                         2.3   -2.3      0.2
  SINCE DEC 1      T                         2.3   -2.3      0.2
  SINCE JUL 1      T                         3.0   -3.0      4.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       28                        31     -3       29
  MONTH TO DATE  349                       548   -199      486
  SINCE DEC 1    349                       548   -199      486
  SINCE JUL 1    911                      1374   -463     1443

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1873                      1646    227     1732
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SE (160)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     6.8


SKY COVER
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    69           600 AM
 LOWEST     31           100 PM
 AVERAGE    50

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   41        71      2013
 MINIMUM TEMPERATURE (F)   26       -10      1901


SUNRISE AND SUNSET
DECEMBER 20 2015......SUNRISE   715 AM CST   SUNSET   443 PM CST
DECEMBER 21 2015......SUNRISE   716 AM CST   SUNSET   443 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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