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

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CDUS43 KLSX 110730
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
230 AM CDT MON SEP 11 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 10 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         77    351 PM  98    2013  83     -6       79
                                      1983
                                      1933
  MINIMUM         60    604 AM  46    1976  63     -3       62
  AVERAGE         69                        73     -4       71

PRECIPITATION (IN)
  YESTERDAY        0.00          2.89 1984   0.10  -0.10     1.41
  MONTH TO DATE    0.01                      1.03  -1.02     3.36
  SINCE SEP 1      0.01                      1.03  -1.02     3.36
  SINCE JAN 1     30.31                     28.78   1.53    31.84

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                         0      0        0
  MONTH TO DATE    6                         0      6        0
  SINCE SEP 1      6                         0      6        0
  SINCE JUL 1      6                         1      5        0

 COOLING
  YESTERDAY        4                         8     -4        6
  MONTH TO DATE   53                        98    -45      130
  SINCE SEP 1     53                        98    -45      130
  SINCE JAN 1   1655                      1497    158     1835
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED     7.6


SKY COVER
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           500 AM
 LOWEST     29           400 PM
 AVERAGE    57

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        98      2013
 MINIMUM TEMPERATURE (F)   63        42      1940


SUNRISE AND SUNSET
SEPTEMBER 11 2017.....SUNRISE   640 AM CDT   SUNSET   716 PM CDT
SEPTEMBER 12 2017.....SUNRISE   641 AM CDT   SUNSET   714 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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