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)