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

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CDUS43 KLSX 200737
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
237 AM CDT SUN MAY 20 2018


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 19 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         80    203 PM  94    1996  77      3       85
  MINIMUM         65    515 AM  40    1894  58      7       58
  AVERAGE         73                        68      5       72

PRECIPITATION (IN)
  YESTERDAY        0.07          2.14 1915   0.15  -0.08     0.52
  MONTH TO DATE    3.06                      2.80   0.26     3.70
  SINCE MAR 1     12.46                      9.81   2.65    18.31
  SINCE JAN 1     18.94                     14.45   4.49    20.60

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                        60    -60       54
  SINCE MAR 1   1134                       918    216      661
  SINCE JUL 1   4605                      4516     89     3394

 COOLING
  YESTERDAY        8                         5      3        7
  MONTH TO DATE  168                        59    109      112
  SINCE MAR 1    181                       105     76      185
  SINCE JAN 1    181                       105     76      187
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     5.4


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     58           100 PM
 AVERAGE    79

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        93      1902
 MINIMUM TEMPERATURE (F)   58        41      1981
                                             1894


SUNRISE AND SUNSET
MAY 20 2018...........SUNRISE   545 AM CDT   SUNSET   811 PM CDT
MAY 21 2018...........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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