


Climatological Report (Seasonal)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
080 CXUS53 KLSX 011016 CLSSTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 516 AM CDT MON SEP 01 2025 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR THE SEASON, FROM 6/1/2025 TO 8/31/2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1874 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 115 07/14/1954 LOW 43 06/03/1969 HIGHEST 98 08/16 08/15 LOWEST 55 08/26 AVG. MAXIMUM 88.1 87.9 0.2 AVG. MINIMUM 70.8 69.2 1.6 MEAN 79.5 78.6 0.9 DAYS MAX >= 90 40 DAYS MAX <= 32 0 DAYS MAX >= 100 0 DAYS MIN <= 32 0 DAYS MIN <= 0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 27.22 1915 MINIMUM 4.09 1926 TOTALS 10.44 11.80 -1.36 DAYS >= .01 25 DAYS >= .10 16 DAYS >= .50 7 DAYS >= 1.00 5 GREATEST 24 HR. TOTAL 2.15 07/20 TO 07/21 DEGREE DAYS HEATING TOTAL 0 5 -5 SINCE 7/1 0 1 -1 COOLING TOTAL 1350 1255 95 SINCE 1/1 1521 1450 71 .............................................................. WIND (MPH) HIGHEST WIND SPEED/DIRECTION 39/110 DATE 08/17 HIGHEST GUST SPEED/DIRECTION 58/030 DATE 08/17 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 26 HAIL 1 FOG W/VIS <= 1/4 MILE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. ...SEASONAL... NO RECORDS OF NOTE. ...MONTHLY... NO RECORDS OF NOTE. ...DAILY... 2 RECORD HIGH MINIMUM TEMPERATURES SET OR TIED (06/24 AND 06/23). RECORD RAINFALL VALUE OF 1.57 INCHES SET ON 07/21. PREVIOUS 1.49 IN 1977. $$ GOSSELIN