Climatological Report (Monthly)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
000 CXUS53 KLSX 011500 CLMSTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 1000 AM CDT SUN OCT 01 2023 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1874 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 104 09/01/2011 09/01/1984 09/04/1954 LOW 32 09/28/1942 HIGHEST 95 09/04 97 LOWEST 53 09/15 45 AVG. MAXIMUM 84.8 81.1 3.7 81.4 AVG. MINIMUM 63.6 60.9 2.7 61.5 MEAN 74.2 71.0 3.2 71.4 DAYS MAX >= 90 5 5.0 0.0 3 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.0 0.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 10.04 1945 MINIMUM T 1979 TOTALS 2.58 2.96 -0.38 1.73 DAILY AVG. 0.09 0.10 -0.01 0.06 DAYS >= .01 7 7.3 -0.3 9 DAYS >= .10 4 4.5 -0.5 5 DAYS >= .50 1 1.9 -0.9 1 DAYS >= 1.00 1 1.0 0.0 0 GREATEST 24 HR. TOTAL 1.99 09/26 TO 09/27 SNOWFALL (INCHES) RECORDS TOTAL MM MM 24 HR TOTAL MM TOTALS 0.0 0.0 0.0 0.0 SINCE 7/1 0.0 0.0 0.0 MM DAYS >= 1.0 0 0 GREATEST SNOW DEPTH 0 24 HR TOTAL MM DEGREE DAYS HEATING TOTAL 0 32 -32 29 SINCE 7/1 0 31 -31 MM COOLING TOTAL 284 212 72 231 SINCE 1/1 1854 1662 192 MM .............................................................. WIND (MPH) HIGHEST WIND SPEED/DIRECTION 39/220 DATE 09/04 HIGHEST GUST SPEED/DIRECTION 53/220 DATE 09/04 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM NUMBER OF DAYS FAIR 11 NUMBER OF DAYS PC 15 NUMBER OF DAYS CLOUDY 4 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 6 MIXED PRECIP 1 HEAVY RAIN 4 RAIN 4 LIGHT RAIN 8 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 4 FOG W/VIS <= 1/4 MILE 0 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. ...MONTHLY... TIED MOST DAYS WITH A HIGH TEMPERATURE OF AT LEAST 80 DEGREES (28 DAYS. ALSO SET IN 2019). ...DAILY... RECORD RAINFALL VALUE OF 1.62 INCHES SET ON 09/27. PREVIOUS 1.28 IN 1945. $$