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

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CDUS43 KLSX 200737
CLICOU


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


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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR MAY 19 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1890 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         76    507 PM  91    1998  75      1       75
                                      1996
  MINIMUM         60    153 AM  37    1925  54      6       59
                                      1894
  AVERAGE         68                        65      3       67

PRECIPITATION (IN)
  YESTERDAY        0.29          2.00 2017   0.15   0.14     2.00
  MONTH TO DATE    1.20                      3.14  -1.94     4.52
  SINCE MAR 1      4.99                     10.54  -5.55    16.49
  SINCE JAN 1     10.20                     14.71  -4.51    17.71

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      0.9                       1.9   -1.0       T
  SINCE JUL 1      4.1                      18.0  -13.9      1.6
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         3     -3        0
  MONTH TO DATE    0                        84    -84       62
  SINCE MAR 1   1130                      1041     89      751
  SINCE JUL 1   4769                      4987   -218     3792

 COOLING
  YESTERDAY        3                         3      0        2
  MONTH TO DATE  143                        34    109       61
  SINCE MAR 1    156                        59     97      103
  SINCE JAN 1    156                        59     97      107
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    42   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     8.3


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  RAIN
  LIGHT RAIN
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100
 LOWEST     68
 AVERAGE    84

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


THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76        92      1902
 MINIMUM TEMPERATURE (F)   55        36      1894


SUNRISE AND SUNSET
MAY 20 2018...........SUNRISE   552 AM CDT   SUNSET   819 PM CDT
MAY 21 2018...........SUNRISE   552 AM CDT   SUNSET   820 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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