Climatological Report (Monthly)
Issued by NWS
Issued by NWS
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)