Climatological Report (Daily)
Issued by NWS Detroit/Pontiac, MI

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186
CDUS43 KDTX 300535
CLIDTW

CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
135 AM EDT TUE SEP 30 2025

...................................

...THE DETROIT MI CLIMATE SUMMARY FOR SEPTEMBER 29 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         82    334 PM  89    1953  69     13       70
  MINIMUM         55    656 AM  32    1942  50      5       64
  AVERAGE         69                        60      9       67

PRECIPITATION (IN)
  YESTERDAY        0.00          2.87 2016   0.09  -0.09     0.02
  MONTH TO DATE    1.87                      3.13  -1.26     1.22
  SINCE SEP 1      1.87                      3.13  -1.26     1.22
  SINCE JAN 1     25.49                     26.88  -1.39    25.85

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                         6     -6        0
  MONTH TO DATE   30                        85    -55       22
  SINCE SEP 1     30                        85    -55       22
  SINCE JUL 1     49                        94    -45       25

 COOLING
  YESTERDAY        4                         1      3        2
  MONTH TO DATE   94                        88      6      121
  SINCE SEP 1     94                        88      6      121
  SINCE JAN 1    922                       835     87      979
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SE (130)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     2.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90          1100 PM
 LOWEST     35           500 PM
 AVERAGE    63

..........................................................


THE DETROIT MI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        85      1991
 MINIMUM TEMPERATURE (F)   50        30      1899


SUNRISE AND SUNSET
SEPTEMBER 30 2025.....SUNRISE   730 AM EDT   SUNSET   716 PM EDT
OCTOBER  1 2025.......SUNRISE   731 AM EDT   SUNSET   714 PM EDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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