164 
CDUS43 KLSX 011121 CCA
CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
236 AM CDT FRI SEP 1 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 31 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         80    153 PM 103    2013  86     -6       87
                                      2011
  MINIMUM         65    517 AM  49    1967  67     -2       71
  AVERAGE         73                        76     -3       79

PRECIPITATION (IN)
  YESTERDAY        0.00          1.48 2012   0.10  -0.10      T
  MONTH TO DATE    3.30                      2.99   0.31     5.77
  SINCE JUN 1      7.40                     11.38  -3.98    15.43
  SINCE JAN 1     30.30                     27.75   2.55    28.48

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 JUN 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    0                         0      0        0
  SINCE JUN 1      0                         6     -6        0
  SINCE JUL 1      0                         1     -1        0

 COOLING
  YESTERDAY        8                        11     -3       14
  MONTH TO DATE  338                       424    -86      494
  SINCE JUN 1   1350                      1225    125     1511
  SINCE JAN 1   1602                      1399    203     1705
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED    10.6


SKY COVER
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           400 AM
 LOWEST     51           200 PM
 AVERAGE    69

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   86       104      2011
                                             1984
 MINIMUM TEMPERATURE (F)   67        49      1967
                                             1949


SUNRISE AND SUNSET
SEPTEMBER  1 2017.....SUNRISE   631 AM CDT   SUNSET   731 PM CDT
SEPTEMBER  2 2017.....SUNRISE   632 AM CDT   SUNSET   730 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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