


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
316 CXUS53 KGRR 020840 CLMAZO CLIMATE REPORT NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN 440 AM EDT THU OCT 02 2025 ................................... ...THE KALAMAZOO CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1887 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 100 09/02/1953 LOW 29 09/29/1942 HIGHEST 88 09/19 MM MM 90 09/21 LOWEST 39 09/08 MM MM 40 09/08 AVG. MAXIMUM 77.2 74.1 3.1 80.2 AVG. MINIMUM 52.0 52.5 -0.5 54.6 MEAN 64.6 63.3 1.3 67.4 DAYS MAX >= 90 0 1.4 -1.4 1 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 11.28 2008 TOTALS 1.85 3.27 -1.42 1.92 DAILY AVG. 0.06 0.11 -0.05 0.06 DAYS >= .01 6 12.0 -6.0 6 DAYS >= .10 5 5.7 -0.7 3 DAYS >= .50 1 1.8 -0.8 1 DAYS >= 1.00 0 0.7 -0.7 1 GREATEST 24 HR. TOTAL 0.74 09/03 TO 09/03 SNOWFALL (INCHES) TOTALS 0.0 SINCE 7/1 0.0 SNOWDEPTH AVG. 0 DAYS >= TRACE 0 DAYS >= 1.0 0 GREATEST SNOW DEPTH 0 DEGREE DAYS HEATING TOTAL 59 120 -61 29 SINCE 7/1 98 138 -40 MM COOLING TOTAL 56 69 -13 109 SINCE 1/1 783 701 82 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 3.9 RESULTANT WIND SPEED/DIRECTION 1/220 HIGHEST WIND SPEED/DIRECTION 26/260 DATE 09/05 HIGHEST GUST SPEED/DIRECTION 40/260 DATE 09/05 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.24 NUMBER OF DAYS FAIR 19 NUMBER OF DAYS PC 9 NUMBER OF DAYS CLOUDY 2 AVERAGE RH (PERCENT) 72 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 5 MIXED PRECIP 0 HEAVY RAIN 3 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 22 FOG W/VIS <= 1/4 MILE 4 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$