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

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CDUS43 KLSX 202152
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
442 PM CDT WED MAY 20 2015


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 20 2015...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         57    203 AM  93    1902  77    -20       89
  MINIMUM         48    259 PM  41    1981  58    -10       63
                                      1894
  AVERAGE         53                        68    -15       76

PRECIPITATION (IN)
  TODAY            0.23          1.66 1947   0.15   0.08     0.00
  MONTH TO DATE    2.60                      2.95  -0.35     1.71
  SINCE MAR 1     11.02                      9.96   1.06    11.64
  SINCE JAN 1     13.97                     14.60  -0.63    14.79

SNOWFALL (IN)
  TODAY           MM             0.0  2014   0.0   MM        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
  TODAY           12                         2     10        0
  MONTH TO DATE   34                        62    -28       79
  SINCE MAR 1    764                       920   -156      990
  SINCE JUL 1   4566                      4518     48     5027

 COOLING
  TODAY            0                         5     -5       11
  MONTH TO DATE  122                        64     58      102
  SINCE MAR 1    147                       110     37      139
  SINCE JAN 1    147                       110     37      139
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED    10.1


SKY COVER
  AVERAGE SKY COVER 1.0



RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80          1100 AM
 LOWEST     57           100 AM
 AVERAGE    69

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


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        93      1941
 MINIMUM TEMPERATURE (F)   59        38      1883


SUNRISE AND SUNSET
MAY 20 2015...........SUNRISE   545 AM CDT   SUNSET   811 PM CDT
MAY 21 2015...........SUNRISE   545 AM CDT   SUNSET   812 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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