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

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CDUS43 KLSX 170729
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CDT SUN SEP 17 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 16 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         91    401 PM  98    1954  80     11       78
                                      1927
  MINIMUM         66    500 AM  44    1966  61      5       70
  AVERAGE         79                        70      9       74

PRECIPITATION (IN)
  YESTERDAY        0.00          2.78 1969   0.10  -0.10     1.32
  MONTH TO DATE    0.07                      1.65  -1.58     4.68
  SINCE SEP 1      0.07                      1.65  -1.58     4.68
  SINCE JAN 1     30.37                     29.40   0.97    33.16

SNOWFALL (IN)
  YESTERDAY        0.0           0.0  2015   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    6                         5      1        0
  SINCE SEP 1      6                         5      1        0
  SINCE JUL 1      6                         6      0        0

 COOLING
  YESTERDAY       14                         6      8        9
  MONTH TO DATE   98                       141    -43      191
  SINCE SEP 1     98                       141    -43      191
  SINCE JAN 1   1700                      1540    160     1896
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SE (150)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED     8.6


SKY COVER
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           500 AM
 LOWEST     34           500 PM
 AVERAGE    64

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80        97      1931
 MINIMUM TEMPERATURE (F)   60        37      1937


SUNRISE AND SUNSET
SEPTEMBER 17 2017.....SUNRISE   645 AM CDT   SUNSET   706 PM CDT
SEPTEMBER 18 2017.....SUNRISE   646 AM CDT   SUNSET   704 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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