900
CXUS53 KDTX 021438
CLMDTW

CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1038 AM EDT THU OCT 02 2025

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

...THE DETROIT MI CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            100   09/03/1953
                       09/02/1953
                       09/15/1939
 LOW              29   09/23/1974
HIGHEST           88   09/18         MM      MM
LOWEST            45   09/07         MM      MM
                       09/08
AVG. MAXIMUM    77.9               74.4     3.5
AVG. MINIMUM    56.2               55.5     0.7
MEAN            67.1               64.9     2.2
DAYS MAX >= 90     0                1.2    -1.2
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        7.52   1986
 MINIMUM        0.39   1877
TOTALS          1.87               3.22   -1.35
DAILY AVG.      0.06               0.11   -0.05
DAYS >= .01        5                9.5    -4.5
DAYS >= .10        5                5.9    -0.9
DAYS >= .50        1                2.0    -1.0
DAYS >= 1.00       0                0.6    -0.6
GREATEST
 24 HR. TOTAL   0.89   09/24 TO 09/24

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     30                 91     -61
 SINCE 7/1        49                101     -52
COOLING TOTAL     98                 90       8
 SINCE 1/1       926                837      89

FREEZE DATES
RECORD
 EARLIEST     09/22 (1974)
 LATEST       05/29 (1966)
EARLIEST      11/21 (2024)
LATEST        04/12 (2025)
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              5.1
HIGHEST WIND SPEED/DIRECTION    30/230    DATE  09/05
HIGHEST GUST SPEED/DIRECTION    41/220    DATE  09/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.48
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       4
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      21     FOG W/VIS <= 1/4 MILE      2
HAZE                      5

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

$$
---------------------------------------------------------------
MONTHLY CLIMATE DATA FOR NWS WHITE LAKE - SEPTEMBER 2025

...TEMPERATURE DATA...              ...PRECIPITATION DATA...
AVERAGE MAXIMUM.........77.1        MONTHLY TOTAL..........0.62
AVERAGE MINIMUM.........48.0        GREATEST DAILY TOTAL...0.26
MONTHLY AVERAGE.........62.5         ON THE 3RD
                                    2025 TOTAL............26.10
...HEATING DEGREE DAYS...
MONTHLY TOTAL.............78        ...SNOWFALL DATA...
2025-2026 SEASON TOTAL...144        MONTHLY TOTAL...........0.0
                                    GREATEST DAILY TOTAL....0.0
...COOLING DEGREE DAYS...
MONTHLY TOTAL.............14        2025-2026 SEASON TOTAL..0.0
2025 TOTAL...............547

================================================================
       SOUTHEAST MICHIGAN CLIMATE SUMMARY FOR SEPTEMBER 2025

SEPTEMBER 2025 MONTHLY STATISTICS AND RANKINGS
-----------------------------------------------------------------

PRECIPITATION
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     1.87"     3.22"      -1.35"     53RD DRIEST
FLINT AREA       1.32"     2.90"      -1.58"     17TH DRIEST
SAGINAW AREA     2.44"     2.81"      -0.37"     50TH DRIEST

PRECIPITATION SINCE JANUARY 1*
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA    25.49"    26.97"      -1.48"     65TH WETTEST
FLINT AREA      20.93"    25.04"      -4.11"     33RD DRIEST
SAGINAW AREA    20.41"    25.08"      -4.67"     35TH DRIEST

      *NORMAL TO DATE (AS OF SEPTEMBER 30, 2025)

AVERAGE TEMPERATURE
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     67.1      64.9       +2.2       23RD WARMEST
FLINT AREA       63.2      61.7       +1.5       36TH WARMEST
SAGINAW AREA     64.1      62.5       +1.6       23RD WARMEST

AVERAGE HIGH TEMPERATURE
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     77.9      74.4       +3.5       10TH WARMEST
FLINT AREA       76.8      73.1       +3.7       15TH WARMEST
SAGINAW AREA     74.9      73.3       +1.6       23RD WARMEST

AVERAGE LOW TEMPERATURE
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     56.2      55.5       +0.7       54TH WARMEST
FLINT AREA       49.5      50.4       -0.9       33RD COOLEST
SAGINAW AREA     53.3      51.6       +1.7       23RD 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)