479 
CDUS43 KLSX 111139 CCA
CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
237 AM CDT MON MAY 11 2015


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 10 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         84    330 PM  91    1963  75      9       84
                                      1928
  MINIMUM         66    221 AM  31    1966  55     11       59
  AVERAGE         75                        65     10       72

PRECIPITATION (IN)
  YESTERDAY        0.55          2.22 1921   0.14   0.41     0.32
  MONTH TO DATE    1.18                      1.43  -0.25     0.34
  SINCE MAR 1      9.60                      8.44   1.16    10.27
  SINCE JAN 1     12.55                     13.08  -0.53    13.42

SNOWFALL (IN)
  YESTERDAY        0.0           0.0  2014   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE MAR 1      0.6                       2.7   -2.1      1.6
  SINCE JUL 1     16.8                      17.7   -0.9     28.8
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         3     -3        0
  MONTH TO DATE    7                        37    -30       24
  SINCE MAR 1    737                       895   -158      935
  SINCE JUL 1   4539                      4493     46     4972

 COOLING
  YESTERDAY       10                         3      7        7
  MONTH TO DATE   81                        24     57       63
  SINCE MAR 1    106                        70     36      100
  SINCE JAN 1    106                        70     36      100
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    35   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    44   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     7.8


SKY COVER
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           200 AM
 LOWEST     55           100 PM
 AVERAGE    74

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


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


SUNRISE AND SUNSET
MAY 11 2015...........SUNRISE   553 AM CDT   SUNSET   803 PM CDT
MAY 12 2015...........SUNRISE   552 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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