000
CXUS53 KDTX 031908 RRB
CLMMBS

CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
308 PM EDT TUE OCT 03 2023

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

...THE TRI CITIES MI CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1912 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            100   09/01/1953
                       09/11/1931
 LOW              27   09/28/1991
                       09/29/1942
HIGHEST           90   09/05         MM      MM
LOWEST            47   09/14         MM      MM
                       09/19
AVG. MAXIMUM    73.5               73.3     0.2
AVG. MINIMUM    55.7               51.6     4.1
MEAN            64.6               62.5     2.1
DAYS MAX >= 90     1                0.6     0.4
DAYS MAX <= 32     0                0.0     0.0
DAYS MIN <= 32     0                0.2    -0.2
DAYS MIN <= 0      0                0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       16.16   1986
 MINIMUM           T   1979
TOTALS          1.10               2.81   -1.71
DAILY AVG.      0.04               0.09   -0.05
DAYS >= .01        9                9.7    -0.7
DAYS >= .10        4                5.5    -1.5
DAYS >= .50        0                1.9    -1.9
DAYS >= 1.00       0                0.6    -0.6
GREATEST
 24 HR. TOTAL   0.53   09/11 TO 09/12
 STORM TOTAL    0.37
 (MM/DD(HH))

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
 24 HR TOTAL     0.0
 STORM TOTAL     0.0
 (MM/DD(HH))

DEGREE DAYS
HEATING TOTAL     67                136     -69
 SINCE 7/1        89                165     -76
COOLING TOTAL     65                 60       5
 SINCE 1/1       559                625     -66

FREEZE DATES
RECORD
 EARLIEST     09/12 (1943)
 LATEST       05/28 (1949)
EARLIEST      10/08 (2022)
LATEST        04/27 (2023)
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.4
HIGHEST WIND SPEED/DIRECTION    25/230    DATE  09/03
HIGHEST GUST SPEED/DIRECTION    33/230    DATE  09/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.45
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       4
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      2
HAZE                      7

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

$$
================================================================
       SOUTHEAST MICHIGAN CLIMATE SUMMARY FOR SEPTEMBER 2023

SEPTEMBER 2023 MONTHLY STATISTICS AND RANKINGS
-----------------------------------------------------------------

PRECIPITATION
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     2.28"     3.22"      -0.94"     66TH DRIEST
FLINT AREA       1.11"     2.90"      -1.79"     12TH DRIEST
SAGINAW AREA     1.10"     2.81"      -1.71"     13TH DRIEST

PRECIPITATION SINCE JANUARY 1*
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA    31.29"    26.97"      +4.32"     17TH WETTEST
FLINT AREA      26.69"    25.04"      +1.65"     31ST WETTEST
SAGINAW AREA    28.08"    25.08"      +3.00"     11TH WETTEST

      *NORMAL TO DATE (AS OF SEPTEMBER 30, 2023)

AVERAGE TEMPERATURE
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     66.3      64.9       +1.3       34TH WARMEST
FLINT AREA       63.8      61.7       +2.1       29TH WARMEST
SAGINAW AREA     64.6      62.5       +2.1       17TH WARMEST

AVERAGE HIGH TEMPERATURE
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     74.6      74.4       +0.2       60TH WARMEST
FLINT AREA       73.5      73.1       +0.4       50TH WARMEST
SAGINAW AREA     73.5      73.3       +0.2       41ST WARMEST

AVERAGE LOW TEMPERATURE
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     57.9      55.5       +2.4       21ST WARMEST
FLINT AREA       54.2      50.4       +3.8       14TH WARMEST
SAGINAW AREA     55.7      51.6       +4.1       10TH WARMEST


DETROIT AREA HAS A CLIMATE RECORD DATING TO NOVEMBER 1874 (~149 YEARS)
FLINT AREA HAS A CLIMATE RECORD DATING TO JANUARY 1921 (~103 YEARS)
SAGINAW AREA HAS CLIMATE RECORD DATING TO JANUARY 1912 (~112 YEARS)