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

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CDUS43 KLSX 102228
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
527 PM CDT WED MAY 10 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 10 2017...
VALID TODAY AS OF 0500 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         88    142 PM  91    1963  75     13       81
                                      1928
  MINIMUM         68    513 AM  31    1966  55     13       61
  AVERAGE         78                        65     13       71

PRECIPITATION (IN)
  TODAY            0.00          2.22 1921   0.14  -0.14     0.14
  MONTH TO DATE    2.76                      1.43   1.33     0.48
  SINCE MAR 1     17.37                      8.44   8.93     7.26
  SINCE JAN 1     19.66                     13.08   6.58     8.86

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 MAR 1      1.8                       2.7   -0.9      0.3
  SINCE JUL 1      3.2                      17.7  -14.5     10.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            0                         3     -3        0
  MONTH TO DATE   54                        37     17       28
  SINCE MAR 1    661                       895   -234      599
  SINCE JUL 1   3394                      4493  -1099     3429

 COOLING
  TODAY           13                         3     10        6
  MONTH TO DATE   29                        24      5       23
  SINCE MAR 1    102                        70     32       83
  SINCE JAN 1    104                        70     34       83
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     9.7


SKY COVER
  AVERAGE SKY COVER 0.6



RELATIVE HUMIDITY (PERCENT)
 HIGHEST    73           400 AM
 LOWEST     42           300 PM
 AVERAGE    58

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


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        91      2011
                                             1914
 MINIMUM TEMPERATURE (F)   56        35      1907


SUNRISE AND SUNSET
MAY 10 2017...........SUNRISE   554 AM CDT   SUNSET   803 PM CDT
MAY 11 2017...........SUNRISE   553 AM CDT   SUNSET   804 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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