743
CXUS53 KDTX 071439 RRB
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
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)
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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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SOUTHEAST MICHIGAN CLIMATE SUMMARY FOR AUGUST 2025
AUGUST 2025 MONTHLY STATISTICS AND RANKINGS
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PRECIPITATION
ACTUAL NORMAL DEPARTURE RANKING
DETROIT AREA 1.31" 3.26" -1.95" 21ST DRIEST
FLINT AREA 1.91" 3.16" -1.25" 24TH DRIEST
SAGINAW AREA 3.13" 3.85" -0.72" 51ST WETTEST
PRECIPITATION SINCE JANUARY 1*
ACTUAL NORMAL DEPARTURE RANKING
DETROIT AREA 23.62" 23.75" -0.13" 54TH WETTEST
FLINT AREA 19.61" 22.14" -2.53" 47TH DRIEST
SAGINAW AREA 17.97" 22.27" -4.30" 34TH DRIEST
*NORMAL TO DATE (AS OF AUGUST 31, 2025)
AVERAGE TEMPERATURE
ACTUAL NORMAL DEPARTURE RANKING
DETROIT AREA 71.1 72.3 -1.2 70TH COOLEST
FLINT AREA 68.8 69.1 -0.3 42ND COOLEST
SAGINAW AREA 69.2 69.7 -0.5 57TH COOLEST
AVERAGE HIGH TEMPERATURE
ACTUAL NORMAL DEPARTURE RANKING
DETROIT AREA 80.5 81.4 -0.9 76TH COOLEST
FLINT AREA 80.3 79.9 +0.4 44TH COOLEST
SAGINAW AREA 79.5 80.0 -0.5 50TH COOLEST
AVERAGE LOW TEMPERATURE
ACTUAL NORMAL DEPARTURE RANKING
DETROIT AREA 61.8 63.2 -1.4 71ST COOLEST
FLINT AREA 57.4 58.3 -0.9 38TH COOLEST
SAGINAW AREA 59.0 59.4 -0.4 44TH WARMEST
DETROIT AREA HAS A CLIMATE RECORD DATING TO NOVEMBER 1874 (~151 YEARS)
FLINT AREA HAS A CLIMATE RECORD DATING TO JANUARY 1921 (~105 YEARS)
SAGINAW AREA HAS CLIMATE RECORD DATING TO JANUARY 1912 (~114 YEARS)
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