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

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946
CDUS43 KLSX 180731
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
231 AM CDT FRI MAY 18 2018


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 17 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         83    259 PM  94    1996  77      6       84
  MINIMUM         68    539 AM  40    1973  58     10       74
  AVERAGE         76                        67      9       79

PRECIPITATION (IN)
  YESTERDAY        T             3.95 1995   0.15  -0.15      T
  MONTH TO DATE    1.38                      2.50  -1.12     3.18
  SINCE MAR 1     10.78                      9.51   1.27    17.79
  SINCE JAN 1     17.26                     14.15   3.11    20.08

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 MAR 1      1.6                       2.7   -1.1      1.8
  SINCE JUL 1      7.1                      17.7  -10.6      3.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE    0                        56    -56       54
  SINCE MAR 1   1134                       914    220      661
  SINCE JUL 1   4605                      4512     93     3394

 COOLING
  YESTERDAY       11                         4      7       14
  MONTH TO DATE  156                        50    106       88
  SINCE MAR 1    169                        96     73      161
  SINCE JAN 1    169                        96     73      163
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    SE (130)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED     8.1


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           100 AM
 LOWEST     35           700 PM
 AVERAGE    60

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        94      1996
 MINIMUM TEMPERATURE (F)   58        39      2002


SUNRISE AND SUNSET
MAY 18 2018...........SUNRISE   547 AM CDT   SUNSET   810 PM CDT
MAY 19 2018...........SUNRISE   546 AM CDT   SUNSET   810 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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