Climatological Report (Monthly) Issued by NWS Detroit/Pontiac, MI
000
CXUS53 KDTX 031908
CLMDTW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
308 PM EDT TUE OCT 03 2023
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...THE DETROIT MI CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2023
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 89 09/04 MM MM
09/05
LOWEST 48 09/14 MM MM
AVG. MAXIMUM 74.6 74.4 0.2
AVG. MINIMUM 57.9 55.5 2.4
MEAN 66.3 64.9 1.3
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 2.28 3.22 -0.94
DAILY AVG. 0.08 0.11 -0.03
DAYS >= .01 10 9.5 0.5
DAYS >= .10 7 5.9 1.1
DAYS >= .50 2 2.0 0.0
DAYS >= 1.00 0 0.6 -0.6
GREATEST
24 HR. TOTAL 0.86 09/27 TO 09/28
STORM TOTAL 0.64
(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 31 91 -60
SINCE 7/1 38 101 -63
COOLING TOTAL 76 90 -14
SINCE 1/1 714 837 -123
FREEZE DATES
RECORD
EARLIEST 09/22 (1974)
LATEST 05/29 (1966)
EARLIEST 11/13 (2022)
LATEST 04/26 (2023)
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WIND (MPH)
AVERAGE WIND SPEED 5.7
HIGHEST WIND SPEED/DIRECTION 29/210 DATE 09/05
HIGHEST GUST SPEED/DIRECTION 39/210 DATE 09/05
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.69
NUMBER OF DAYS FAIR 3
NUMBER OF DAYS PC 12
NUMBER OF DAYS CLOUDY 15
AVERAGE RH (PERCENT) 75
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 6
LIGHT RAIN 11 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 22 FOG W/VIS <= 1/4 MILE 2
HAZE 15
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
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MONTHLY CLIMATE DATA FOR NWS WHITE LAKE - SEPTEMBER 2023
...TEMPERATURE DATA... ...PRECIPITATION DATA...
AVERAGE MAXIMUM.........73.3 MONTHLY TOTAL..........2.96
AVERAGE MINIMUM.........51.7 GREATEST DAILY TOTAL...1.00
MONTHLY AVERAGE.........62.5 ON THE 12TH
2023 TOTAL............33.29
...HEATING DEGREE DAYS...
MONTHLY TOTAL............114 ...SNOWFALL DATA...
2023-2024 SEASON TOTAL...157 MONTHLY TOTAL...........0.0
2023-2024 SEASON TOTAL..0.0
...COOLING DEGREE DAYS...
MONTHLY TOTAL.............46
2023 TOTAL...............385
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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)