Climatological Report (Daily)
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
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040
CDUS43 KDTX 180536
CLIDTW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
136 AM EDT MON AUG 18 2025
...................................
...THE DETROIT MI CLIMATE SUMMARY FOR AUGUST 17 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 84 133 PM 100 1988 81 3 81
MINIMUM 63 1159 PM 46 1981 63 0 67
AVERAGE 74 72 2 74
PRECIPITATION (IN)
YESTERDAY 0.00 4.51 1926 0.10 -0.10 0.02
MONTH TO DATE 1.09 1.85 -0.76 1.52
SINCE JUN 1 12.16 8.62 3.54 7.43
SINCE JAN 1 23.40 22.34 1.06 21.65
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 JUN 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 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 14 30 -16 10
SINCE JUL 1 0 2 -2 1
COOLING
YESTERDAY 9 8 1 9
MONTH TO DATE 181 141 40 144
SINCE JUN 1 766 600 166 651
SINCE JAN 1 791 655 136 742
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 10.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 400 AM
LOWEST 53 100 PM
AVERAGE 72
..........................................................
THE DETROIT MI CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 95 1947
MINIMUM TEMPERATURE (F) 63 46 1977
1981
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 644 AM EDT SUNSET 829 PM EDT
AUGUST 19 2025........SUNRISE 645 AM EDT SUNSET 828 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$