521
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)
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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.
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SOUTHEAST MICHIGAN CLIMATE SUMMARY FOR SEPTEMBER 2023
SEPTEMBER 2023 MONTHLY STATISTICS AND RANKINGS
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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)
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