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

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CDUS43 KLSX 172235
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
433 PM CST WED JAN 17 2018


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

...THE ST. LOUIS CLIMATE SUMMARY FOR JANUARY 17 2018...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         25    348 PM  72    1894  40    -15       54
  MINIMUM          3    707 AM -14    1930  23    -20       41
  AVERAGE         14                        32    -18       48

PRECIPITATION (IN)
  TODAY            T             1.02 2004   0.08  -0.08      T
  MONTH TO DATE    0.46                      1.36  -0.90     1.43
  SINCE DEC 1      1.30                      4.20  -2.90     2.56
  SINCE JAN 1      0.46                      1.36  -0.90     1.43

SNOWFALL (IN)
  TODAY            T             2.3  1960   0.2   -0.2      0.0
  MONTH TO DATE    1.2                       3.1   -1.9      1.0
  SINCE DEC 1      4.7                       7.5   -2.8      1.2
  SINCE JUL 1      4.7                       8.2   -3.5      1.2
  SNOW DEPTH       T

DEGREE DAYS
 HEATING
  TODAY           51                        33     18       17
  MONTH TO DATE  760                       569    191      526
  SINCE DEC 1   1688                      1508    180     1457
  SINCE JUL 1   2390                      2334     56     1948

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     8.1


SKY COVER
  AVERAGE SKY COVER 0.2



RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           400 AM
 LOWEST     55           300 PM
 AVERAGE    71

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


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   40        72      1880
 MINIMUM TEMPERATURE (F)   24       -19      1930


SUNRISE AND SUNSET
JANUARY 17 2018.......SUNRISE   717 AM CST   SUNSET   506 PM CST
JANUARY 18 2018.......SUNRISE   717 AM CST   SUNSET   507 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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