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.
$$