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

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CDUS43 KLSX 172134
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
433 PM CDT SUN SEP 17 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 17 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         82   1215 PM  97    1931  80      2       83
  MINIMUM         74    501 AM  37    1937  60     14       70
  AVERAGE         78                        70      8       77

PRECIPITATION (IN)
  TODAY            T             2.25 1968   0.10  -0.10     0.00
  MONTH TO DATE    0.07                      1.75  -1.68     4.68
  SINCE SEP 1      0.07                      1.75  -1.68     4.68
  SINCE JAN 1     30.37                     29.50   0.87    33.16

SNOWFALL (IN)
  TODAY            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
  TODAY            0                         1     -1        0
  MONTH TO DATE    6                         6      0        0
  SINCE SEP 1      6                         6      0        0
  SINCE JUL 1      6                         7     -1        0

 COOLING
  TODAY           13                         6      7       12
  MONTH TO DATE  111                       147    -36      203
  SINCE SEP 1    111                       147    -36      203
  SINCE JAN 1   1713                      1546    167     1908
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     6.1


SKY COVER
  AVERAGE SKY COVER 0.8



RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           500 AM
 LOWEST     55          1200 PM
 AVERAGE    70

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


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        97      1925
 MINIMUM TEMPERATURE (F)   60        42      1973


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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