321  
CXUS53 KDTX 021059  
CLMMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
637 AM EDT TUE SEP 02 2025  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1912 TO 2025  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE  
NORMAL    
..........................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 103 08/06/1918  
LOW 37 08/29/1982  
HIGHEST 93 08/10 MM MM  
LOWEST 46 08/26 MM MM  
08/27  
AVG. MAXIMUM 79.5 80.0 -0.5  
AVG. MINIMUM 59.0 59.4 -0.4  
MEAN 69.2 69.7 -0.5  
DAYS MAX >= 90 3 1.4 1.6  
DAYS MAX <= 32 0 0.0 0.0  
DAYS MIN <= 32 0 0.0 0.0  
DAYS MIN <= 0 0 0.0 0.0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 9.43 2012  
MINIMUM T 2024  
TOTALS 3.13 3.85 -0.72  
DAILY AVG. 0.10 0.12 -0.02  
DAYS >= .01 6 10.5 -4.5  
DAYS >= .10 5 6.0 -1.0  
DAYS >= .50 2 2.6 -0.6  
DAYS >= 1.00 1 1.1 -0.1  
GREATEST  
24 HR. TOTAL 1.66 08/12 TO 08/12  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL 0.0 0  
TOTALS 0.0 0.0 0.0  
LIQUID EQUIV 0.00 0.00 0.00  
SINCE 7/1 0.0 0.0 0.0  
LIQUID 7/1 0.00  
DAYS >= TRACE 0 0.0 0.0  
DAYS >= 1.0 0 0.0 0.0  
GREATEST  
SNOW DEPTH 0  
24 HR TOTAL 0.0  
 
DEGREE DAYS  
HEATING TOTAL 33 19 14  
SINCE 7/1 34 25 9  
COOLING TOTAL 169 165 4  
SINCE 1/1 688 565 123  
 
FREEZE DATES  
RECORD  
EARLIEST 09/12 (1943)  
LATEST 05/28 (1949)  
EARLIEST 10/17 (2024)  
LATEST 04/30 (2025)  
   
..........................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 7.1  
HIGHEST WIND SPEED/DIRECTION 26/280 DATE 08/12  
HIGHEST GUST SPEED/DIRECTION 37/320 DATE 08/12  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.28  
NUMBER OF DAYS FAIR 20  
NUMBER OF DAYS PC 10  
NUMBER OF DAYS CLOUDY 1  
 
AVERAGE RH (PERCENT) 72  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 4 MIXED PRECIP 0  
HEAVY RAIN 4 RAIN 3  
LIGHT RAIN 8 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 13 FOG W/VIS <= 1/4 MILE 2  
HAZE 4  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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