Climatological Report (Daily)
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
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CDUS43 KDTX 210535
CLIDTW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
135 AM EDT SUN SEP 21 2025
...................................
...THE DETROIT MI CLIMATE SUMMARY FOR SEPTEMBER 20 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 80 247 PM 92 1895 73 7 83
MINIMUM 58 627 AM 36 1956 54 4 61
AVERAGE 69 63 6 72
PRECIPITATION (IN)
YESTERDAY 0.00 1.53 2018 0.12 -0.12 T
MONTH TO DATE 0.41 2.24 -1.83 0.06
SINCE SEP 1 0.41 2.24 -1.83 0.06
SINCE JAN 1 24.03 25.99 -1.96 24.69
SNOWFALL (IN)
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 0
MONTH TO DATE 30 40 -10 22
SINCE SEP 1 30 40 -10 22
SINCE JUL 1 49 49 0 25
COOLING
YESTERDAY 4 2 2 7
MONTH TO DATE 55 74 -19 86
SINCE SEP 1 55 74 -19 86
SINCE JAN 1 883 821 62 944
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 7.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 700 AM
LOWEST 42 700 PM
AVERAGE 66
..........................................................
THE DETROIT MI CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 92 1895
MINIMUM TEMPERATURE (F) 54 35 1875
SUNRISE AND SUNSET
SEPTEMBER 21 2025.....SUNRISE 720 AM EDT SUNSET 732 PM EDT
SEPTEMBER 22 2025.....SUNRISE 721 AM EDT SUNSET 730 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$