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

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000
CDUS43 KLSX 160745
CLICOU


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
145 AM CST SAT DEC 16 2017


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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR DECEMBER 15 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1890 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         44    227 PM  70    1948  41      3       22
  MINIMUM         27    316 AM -15    1901  23      4       13
  AVERAGE         36                        32      4       18

PRECIPITATION (IN)
  YESTERDAY        0.00          1.49 1992   0.07  -0.07     0.00
  MONTH TO DATE    0.06                      1.30  -1.24     0.49
  SINCE DEC 1      0.06                      1.30  -1.24     0.49
  SINCE JAN 1     37.46                     41.48  -4.02    39.54

SNOWFALL (IN)
  YESTERDAY        0.0           7.0  1911   0.1   -0.1      0.0
  MONTH TO DATE    T                         1.8   -1.8       T
  SINCE DEC 1      T                         1.8   -1.8       T
  SINCE JUL 1      T                         2.7   -2.7       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       29                        33     -4       47
  MONTH TO DATE  394                       459    -65      521
  SINCE DEC 1    394                       459    -65      521
  SINCE JUL 1   1174                      1444   -270     1104

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1401                      1249    152     1632
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    10.1


SKY COVER
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78
 LOWEST     37
 AVERAGE    58

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


THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   41        70      1889
 MINIMUM TEMPERATURE (F)   23       -11      1989


SUNRISE AND SUNSET
DECEMBER 16 2017......SUNRISE   721 AM CST   SUNSET   448 PM CST
DECEMBER 17 2017......SUNRISE   721 AM CST   SUNSET   449 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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