Climatological Report (Daily)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
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CDUS43 KLSX 170726
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
226 AM CDT FRI OCT 17 2025
...................................
...THE ST. LOUIS CLIMATE SUMMARY FOR OCTOBER 16 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 82 327 PM 89 1950 69 13 62
MINIMUM 62 610 AM 32 1943 49 13 35
AVERAGE 72 59 13 49
PRECIPITATION (IN)
YESTERDAY 0.00 2.41 1914 0.10 -0.10 0.00
MONTH TO DATE T 1.51 -1.51 T
SINCE SEP 1 0.74 4.47 -3.73 5.75
SINCE JAN 1 32.83 34.14 -1.31 37.43
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 7 -7 16
MONTH TO DATE 9 81 -72 49
SINCE SEP 1 13 113 -100 52
SINCE JUL 1 13 114 -101 52
COOLING
YESTERDAY 7 1 6 0
MONTH TO DATE 101 36 65 46
SINCE SEP 1 370 248 122 314
SINCE JAN 1 1891 1698 193 2022
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 8.6
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 400 AM
LOWEST 45 200 PM
AVERAGE 63
..........................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 91 2016
MINIMUM TEMPERATURE (F) 49 29 1943
SUNRISE AND SUNSET
OCTOBER 17 2025.......SUNRISE 713 AM CDT SUNSET 620 PM CDT
OCTOBER 18 2025.......SUNRISE 714 AM CDT SUNSET 618 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$