Climatological Report (Monthly)
Issued by NWS
Issued by NWS
615
CXUS53 KDTX 011201 RRB
CLMMBS
CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
801 AM EDT TUE OCT 01 2024
...................................
...THE TRI CITIES MI CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2024...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1912 TO 2024
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 87 09/15 MM MM
09/16
09/20
LOWEST 41 09/08 MM MM
AVG. MAXIMUM 78.9 73.3 5.6
AVG. MINIMUM 53.9 51.6 2.3
MEAN 66.4 62.5 3.9
DAYS MAX >= 90 0 0.6 -0.6
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 0.75 2.81 -2.06
DAILY AVG. 0.03 0.09 -0.06
DAYS >= .01 5 9.7 -4.7
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 0.33 09/05 TO 09/06
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 43 136 -93
SINCE 7/1 57 165 -108
COOLING TOTAL 94 60 34
SINCE 1/1 767 625 142
FREEZE DATES
RECORD
EARLIEST 09/12 (1943)
LATEST 05/28 (1949)
EARLIEST 10/23 (2023)
LATEST 04/26 (2024)
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 7.2
HIGHEST WIND SPEED/DIRECTION 28/040 DATE 09/28
HIGHEST GUST SPEED/DIRECTION 36/040 DATE 09/28
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.24
NUMBER OF DAYS FAIR 22
NUMBER OF DAYS PC 5
NUMBER OF DAYS CLOUDY 3
AVERAGE RH (PERCENT) 67
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 4
LIGHT RAIN 4 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 14 FOG W/VIS <= 1/4 MILE 4
HAZE 6
- 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 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)