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

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643
CDUS43 KLSX 280729
CLICOU

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
229 AM CDT MON SEP 28 2026

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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR SEPTEMBER 27 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1890 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         74    450 PM  93    1897  76     -2       84
  MINIMUM         59    310 AM  32    1889  54      5       54
  AVERAGE         67                        65      2       69

PRECIPITATION (IN)
  YESTERDAY        0.01          1.99 1916   0.13  -0.12     0.00
  MONTH TO DATE    1.57                      3.47  -1.90     2.06
  SINCE SEP 1      1.57                      3.47  -1.90     2.06
  SINCE JAN 1     39.77                     32.83   6.94    28.65

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 SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         3     -3        0
  MONTH TO DATE    6                        33    -27       11
  SINCE SEP 1      6                        33    -27       11
  SINCE JUL 1      6                        34    -28       12

 COOLING
  YESTERDAY        2                         3     -1        4
  MONTH TO DATE  345                       164    181      196
  SINCE SEP 1    345                       164    181      196
  SINCE JAN 1   1624                      1402    222     1348
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED     6.3


SKY COVER
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           300 AM
 LOWEST     48           300 PM
 AVERAGE    66

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


THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76        99      1953
 MINIMUM TEMPERATURE (F)   53        32      1889


SUNRISE AND SUNSET
SEPTEMBER 28 2026.....SUNRISE   702 AM CDT   SUNSET   656 PM CDT
SEPTEMBER 29 2026.....SUNRISE   703 AM CDT   SUNSET   655 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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