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

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663
CDUS43 KLSX 270728
CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CDT SUN SEP 27 2026

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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 26 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         69   1227 PM  94    1897  77     -8       81
  MINIMUM         59   1104 PM  35    1940  57      2       57
  AVERAGE         64                        67     -3       69

PRECIPITATION (IN)
  YESTERDAY        0.06          2.26 1884   0.10  -0.04     0.00
  MONTH TO DATE    1.37                      2.60  -1.23     0.74
  SINCE SEP 1      1.37                      2.60  -1.23     0.74
  SINCE JAN 1     37.63                     32.27   5.36    32.83

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        1                         2     -1        0
  MONTH TO DATE    3                        19    -16        4
  SINCE SEP 1      3                        19    -16        4
  SINCE JUL 1      3                        20    -17        4

 COOLING
  YESTERDAY        0                         4     -4        4
  MONTH TO DATE  385                       197    188      235
  SINCE SEP 1    385                       197    188      235
  SINCE JAN 1   1953                      1647    306     1756
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED     4.0


SKY COVER
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           700 PM
 LOWEST     57           100 PM
 AVERAGE    74

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        92      2019
                                             2021
 MINIMUM TEMPERATURE (F)   57        36      1940


SUNRISE AND SUNSET
SEPTEMBER 27 2026.....SUNRISE   654 AM CDT   SUNSET   650 PM CDT
SEPTEMBER 28 2026.....SUNRISE   655 AM CDT   SUNSET   649 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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