Climatological Report (Monthly)
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
289 CXUS53 KDTX 041742 CLMDTW CLIMATE REPORT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 1242 PM EST SAT JAN 04 2025 ................................... ...THE DETROIT MI CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1874 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 69 12/06/1998 LOW -11 12/29/1880 HIGHEST 58 12/28 MM MM LOWEST 10 12/13 MM MM AVG. MAXIMUM 39.0 37.2 1.8 AVG. MINIMUM 27.5 25.3 2.2 MEAN 33.3 31.3 2.0 DAYS MAX >= 90 0 0.0 0.0 DAYS MAX <= 32 6 9.5 -3.5 DAYS MIN <= 32 17 24.2 -7.2 DAYS MIN <= 0 0 0.3 -0.3 PRECIPITATION (INCHES) RECORD MAXIMUM 5.19 1967 MINIMUM 0.08 2024 TOTALS 3.27 2.25 1.02 DAILY AVG. 0.11 0.07 0.04 DAYS >= .01 14 13.1 0.9 DAYS >= .10 6 5.4 0.6 DAYS >= .50 2 1.4 0.6 DAYS >= 1.00 1 0.1 0.9 GREATEST 24 HR. TOTAL 1.43 12/29 TO 12/29 SNOWFALL (INCHES) RECORDS TOTAL 34.9 1974 TOTALS 3.6 8.9 -5.3 LIQUID EQUIV 0.40 0.80 -0.40 SINCE 7/1 5.4 10.8 -5.4 LIQUID 7/1 0.54 DAYS >= TRACE 16 8.0 8.0 DAYS >= 1.0 1 2.7 -1.7 GREATEST SNOW DEPTH 1 12/13 12/14 12/21 DEGREE DAYS HEATING TOTAL 977 1046 -69 SINCE 7/1 1821 2239 -418 COOLING TOTAL 0 0 0 SINCE 1/1 995 847 148 FREEZE DATES RECORD EARLIEST 09/22 (1974) LATEST 05/29 (1966) EARLIEST 11/21 (2024) LATEST 04/25 (2024) .............................................................. WIND (MPH) AVERAGE WIND SPEED 9.8 HIGHEST WIND SPEED/DIRECTION 32/270 DATE 12/05 HIGHEST GUST SPEED/DIRECTION 45/280 DATE 12/04 45/260 12/05 45/210 12/07 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.85 NUMBER OF DAYS FAIR 0 NUMBER OF DAYS PC 10 NUMBER OF DAYS CLOUDY 21 AVERAGE RH (PERCENT) 75 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 3 LIGHT RAIN 12 FREEZING RAIN 0 LT FREEZING RAIN 1 HAIL 0 HEAVY SNOW 0 SNOW 1 LIGHT SNOW 16 SLEET 1 FOG 18 FOG W/VIS <= 1/4 MILE 3 HAZE 2 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$ --------------------------------------------------------------- MONTHLY CLIMATE DATA FOR NWS WHITE LAKE - DECEMBER 2024 ...TEMPERATURE DATA... ...PRECIPITATION DATA... AVERAGE MAXIMUM.........36.5 MONTHLY TOTAL..........2.85 AVERAGE MINIMUM.........23.7 GREATEST DAILY TOTAL...1.08 MONTHLY AVERAGE.........30.1 ON THE 29TH 2024 TOTAL............40.16 ...HEATING DEGREE DAYS... MONTHLY TOTAL...........1076 ...SNOWFALL DATA... 2024-2025 SEASON TOTAL..2205 MONTHLY TOTAL..........10.5 2024-2025 SEASON TOTAL.12.1 ...COOLING DEGREE DAYS... MONTHLY TOTAL..............0 2024 TOTAL...............566 ================================================================ SOUTHEAST MICHIGAN CLIMATE SUMMARY FOR DECEMBER 2024 DECEMBER 2024 MONTHLY STATISTICS AND RANKINGS ----------------------------------------------------------------- SNOWFALL ACTUAL NORMAL DEPARTURE RANKING DETROIT AREA 3.6" 8.9" -5.3" 30TH LEAST SNOWY FLINT AREA 10.8" 11.4" -0.6" 31ST SNOWIEST SAGINAW AREA 9.8" 11.8" -2.0" 41ST SNOWIEST SNOWFALL SINCE JULY 1* ACTUAL NORMAL DEPARTURE RANKING DETROIT AREA 5.4" 10.8" -5.4" 28TH LEAST SNOWY FLINT AREA 12.5" 15.0" -2.5" 46TH SNOWIEST SAGINAW AREA 9.9" 15.3" -5.4" 49TH LEAST SNOWY *NORMAL TO DATE (AS OF DECEMBER 31, 2024) PRECIPITATION ACTUAL NORMAL DEPARTURE RANKING DETROIT AREA 3.27" 2.25" +1.02" 32ND WETTEST FLINT AREA 2.68" 1.89" +0.79" 19TH WETTEST SAGINAW AREA 2.50" 1.85" +0.65" 27TH WETTEST PRECIPITATION SINCE JANUARY 1* ACTUAL NORMAL DEPARTURE RANKING DETROIT AREA 32.46" 34.32" -1.86" 76TH DRIEST FLINT AREA 33.15" 31.97" +1.18" 35TH WETTEST SAGINAW AREA 25.98" 32.12" -6.14" 26TH DRIEST *NORMAL TO DATE (AS OF DECEMBER 31, 2024) AVERAGE TEMPERATURE ACTUAL NORMAL DEPARTURE RANKING DETROIT AREA 33.3 31.3 +2.0 33RD WARMEST FLINT AREA 31.5 28.7 +2.8 26TH WARMEST SAGINAW AREA 30.5 28.9 +1.6 33RD WARMEST AVERAGE HIGH TEMPERATURE ACTUAL NORMAL DEPARTURE RANKING DETROIT AREA 39.0 37.2 +1.8 38TH WARMEST FLINT AREA 37.5 34.9 +2.6 29TH WARMEST SAGINAW AREA 36.4 34.7 +1.7 31ST WARMEST AVERAGE LOW TEMPERATURE ACTUAL NORMAL DEPARTURE RANKING DETROIT AREA 27.5 25.3 +2.2 33RD WARMEST FLINT AREA 25.5 22.5 +3.0 28TH WARMEST SAGINAW AREA 24.6 23.1 +1.5 33RD WARMEST DETROIT AREA HAS A CLIMATE RECORD DATING TO NOVEMBER 1874 (~151 YEARS) FLINT AREA HAS A CLIMATE RECORD DATING TO JANUARY 1921 (~104 YEARS) SAGINAW AREA HAS CLIMATE RECORD DATING TO JANUARY 1912 (~113 YEARS)