433
CXUS53 KDTX 011201
CLMDTW

CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
801 AM EDT TUE OCT 01 2024

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

...THE DETROIT MI CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2024

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   09/21         MM      MM
LOWEST            44   09/08         MM      MM
AVG. MAXIMUM    77.9               74.4     3.5
AVG. MINIMUM    58.4               55.5     2.9
MEAN            68.2               64.9     3.3
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          1.22               3.22   -2.00
DAILY AVG.      0.04               0.11   -0.07
DAYS >= .01        5                9.5    -4.5
DAYS >= .10        2                5.9    -3.9
DAYS >= .50        1                2.0    -1.0
DAYS >= 1.00       0                0.6    -0.6
GREATEST
 24 HR. TOTAL   0.81   09/28 TO 09/28

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     22                 91     -69
 SINCE 7/1        25                101     -76
COOLING TOTAL    124                 90      34
 SINCE 1/1       982                837     145

FREEZE DATES
RECORD
 EARLIEST     09/22 (1974)
 LATEST       05/29 (1966)
EARLIEST      10/30 (2023)
LATEST        04/25 (2024)
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.2
HIGHEST WIND SPEED/DIRECTION    24/050    DATE  09/27
HIGHEST GUST SPEED/DIRECTION    37/050    DATE  09/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.53
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      20     FOG W/VIS <= 1/4 MILE      4
HAZE                      9

-  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 2024

...TEMPERATURE DATA...              ...PRECIPITATION DATA...
AVERAGE MAXIMUM.........75.8        MONTHLY TOTAL..........0.72
AVERAGE MINIMUM.........52.1        GREATEST DAILY TOTAL...0.38
MONTHLY AVERAGE.........64.0         ON THE 6TH
                                    2024 TOTAL............33.32
...HEATING DEGREE DAYS...
MONTHLY TOTAL.............64        ...SNOWFALL DATA...
2024-2025 SEASON TOTAL...107        MONTHLY TOTAL.............0
                                    2024-2025 SEASON TOTAL....0
...COOLING DEGREE DAYS...
MONTHLY TOTAL.............39
2024 TOTAL...............560

================================================================
       SOUTHEAST MICHIGAN CLIMATE SUMMARY FOR SEPTEMBER 2024

SEPTEMBER 2024 MONTHLY STATISTICS AND RANKINGS
-----------------------------------------------------------------

PRECIPITATION
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     1.22"     3.22"      -2.00"     20TH DRIEST
FLINT AREA       1.01"     2.90"      -1.89"     11TH DRIEST
SAGINAW AREA     0.75"     2.81"      -2.06"      5TH DRIEST

PRECIPITATION SINCE JANUARY 1*
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA    25.85"    26.97"      -1.12"     61ST WETTEST
FLINT AREA      27.06"    25.04"      +2.02"     27TH WETTEST
SAGINAW AREA    19.59"    25.08"      -5.49"     26TH DRIEST

      *NORMAL TO DATE (AS OF SEPTEMBER 30, 2024)

AVERAGE TEMPERATURE
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     68.2      64.9       +3.3       13TH WARMEST
FLINT AREA       65.1      61.7       +3.4       13TH WARMEST
SAGINAW AREA     66.4      62.5       +3.9        5TH WARMEST

AVERAGE HIGH TEMPERATURE
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     77.9      74.4       +3.5       10TH WARMEST
FLINT AREA       77.3      73.1       +4.2       12TH WARMEST
SAGINAW AREA     78.9      73.3       +5.6        4TH WARMEST

AVERAGE LOW TEMPERATURE
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     58.4      55.5       +2.9       18TH WARMEST
FLINT AREA       52.9      50.4       +2.5       26TH WARMEST
SAGINAW AREA     53.9      51.6       +2.3       18TH WARMEST


DETROIT AREA HAS A CLIMATE RECORD DATING TO NOVEMBER 1874 (~150 YEARS)
FLINT AREA HAS A CLIMATE RECORD DATING TO JANUARY 1921 (~104 YEARS)
SAGINAW AREA HAS CLIMATE RECORD DATING TO JANUARY 1912 (~113 YEARS)