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

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CDUS43 KLSX 180734
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
233 AM CDT FRI AUG 18 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 17 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         88    205 PM 104    1936  88      0       89
  MINIMUM         69    611 AM  55    1879  70     -1       72
  AVERAGE         79                        79      0       81

PRECIPITATION (IN)
  YESTERDAY        0.08          1.89 1939   0.10  -0.02     0.00
  MONTH TO DATE    2.18                      1.71   0.47     5.21
  SINCE JUN 1      6.28                     10.10  -3.82    14.87
  SINCE JAN 1     29.18                     26.47   2.71    27.92

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                         5     -5        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       14                        14      0       16
  MONTH TO DATE  188                       246    -58      275
  SINCE JUN 1   1200                      1047    153     1292
  SINCE JAN 1   1452                      1221    231     1486
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED    11.6


SKY COVER
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM
 LOWEST     55           200 PM
 AVERAGE    78

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88       106      1936
 MINIMUM TEMPERATURE (F)   70        54      1963


SUNRISE AND SUNSET
AUGUST 18 2017........SUNRISE   618 AM CDT   SUNSET   752 PM CDT
AUGUST 19 2017........SUNRISE   619 AM CDT   SUNSET   750 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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