


Climatological Report (Daily)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
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716 CDUS43 KLSX 172128 CLICOU CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 428 PM CDT FRI OCT 17 2025 ................................... ...THE COLUMBIA ASOS CLIMATE SUMMARY FOR OCTOBER 17 2025... VALID TODAY AS OF 0400 PM LOCAL TIME. CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1890 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 85 255 PM 90 2016 68 17 68 MINIMUM 63 721 AM 26 1976 46 17 34 AVERAGE 74 57 17 51 PRECIPITATION (IN) TODAY 0.00 2.72 1946 0.12 -0.12 0.00 MONTH TO DATE 0.47 1.98 -1.51 T SINCE SEP 1 2.53 5.81 -3.28 3.52 SINCE JAN 1 29.12 35.17 -6.05 38.66 SNOWFALL (IN) TODAY 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 TODAY 0 9 -9 14 MONTH TO DATE 20 108 -88 90 SINCE SEP 1 31 155 -124 101 SINCE JUL 1 32 156 -124 101 COOLING TODAY 9 1 8 0 MONTH TO DATE 96 27 69 32 SINCE SEP 1 317 200 117 213 SINCE JAN 1 1469 1438 31 1474 ................................................................... WIND (MPH) HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 12.4 SKY COVER AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 84 600 AM LOWEST 37 300 PM AVERAGE 61 .......................................................... THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 67 86 1953 MINIMUM TEMPERATURE (F) 46 25 1952 2022 SUNRISE AND SUNSET OCTOBER 17 2025.......SUNRISE 721 AM CDT SUNSET 627 PM CDT OCTOBER 18 2025.......SUNRISE 722 AM CDT SUNSET 626 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$