


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
313 CXUS53 KGRR 020840 CLMJXN CLIMATE REPORT NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN 440 AM EDT THU OCT 02 2025 ................................... ...THE JACKSON CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1944 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) HIGHEST 86 09/19 MM MM 87 09/15 LOWEST 35 09/08 MM MM 39 09/08 AVG. MAXIMUM 78.4 73.6 4.8 77.5 AVG. MINIMUM 49.2 51.7 -2.5 52.6 MEAN 63.8 62.6 1.2 65.0 DAYS MAX >= 90 0 0.7 -0.7 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.2 -0.2 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) TOTALS 0.39R 2.98 -2.59 0.74 DAILY AVG. 0.01 0.10 -0.09 0.02 DAYS >= .01 3 9.5 -6.5 7 DAYS >= .10 2 5.8 -3.8 3 DAYS >= .50 0 2.0 -2.0 0 DAYS >= 1.00 0 0.6 -0.6 0 GREATEST 24 HR. TOTAL 0.36 09/21 TO 09/22 DEGREE DAYS HEATING TOTAL 73 134 -61 50 SINCE 7/1 122 163 -41 MM COOLING TOTAL 43 63 -20 60 SINCE 1/1 660 627 33 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 4.1 RESULTANT WIND SPEED/DIRECTION 1/170 HIGHEST WIND SPEED/DIRECTION 29/230 DATE 09/05 HIGHEST GUST SPEED/DIRECTION 47/210 DATE 09/05 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.22 NUMBER OF DAYS FAIR 21 NUMBER OF DAYS PC 8 NUMBER OF DAYS CLOUDY 1 AVERAGE RH (PERCENT) 70 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 1 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 2 LIGHT RAIN 8 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 25 FOG W/VIS <= 1/4 MILE 7 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$