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

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CDUS43 KLSX 210745
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
145 AM CST SAT JAN 21 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR JANUARY 20 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         55    944 PM  72    1906  40     15       29
  MINIMUM         46   1257 AM -18    1985  24     22       12
  AVERAGE         51                        32     19       21

PRECIPITATION (IN)
  YESTERDAY        T             1.63 1894   0.08  -0.08     0.01
  MONTH TO DATE    1.80                      1.59   0.21     0.80
  SINCE DEC 1      2.93                      4.43  -1.50    12.54
  SINCE JAN 1      1.80                      1.59   0.21     0.80

SNOWFALL (IN)
  YESTERDAY       MM             5.7  2011   0.2   MM        0.2
  MONTH TO DATE    1.0                       3.6   -2.6      3.3
  SINCE DEC 1      1.2                       8.0   -6.8      3.3
  SINCE JUL 1      1.2                       8.7   -7.5      3.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       14                        33    -19       44
  MONTH TO DATE  581                       668    -87      669
  SINCE DEC 1   1512                      1607    -95     1266
  SINCE JUL 1   2003                      2433   -430     1828

 COOLING
  YESTERDAY        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     S (160)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     6.1


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           400 AM
 LOWEST     77          1200 PM
 AVERAGE    89

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   40        75      1986
 MINIMUM TEMPERATURE (F)   24        -8      1970


SUNRISE AND SUNSET
JANUARY 21 2017.......SUNRISE   715 AM CST   SUNSET   511 PM CST
JANUARY 22 2017.......SUNRISE   715 AM CST   SUNSET   512 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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