Climatological Report (Monthly)
Issued by NWS
Issued by NWS
443
CXUS53 KDTX 041742 RRB
CLMMBS
CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1242 PM EST SAT JAN 04 2025
...................................
...THE TRI CITIES MI CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1912 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 67 12/05/2001
LOW -12 12/26/1914
HIGHEST 54 12/28 MM MM
LOWEST -4 12/22 MM MM
AVG. MAXIMUM 36.4 34.7 1.7
AVG. MINIMUM 24.6 23.1 1.5
MEAN 30.5 28.9 1.6
DAYS MAX >= 90 0 0.0 0.0
DAYS MAX <= 32 10 12.1 -2.1
DAYS MIN <= 32 23 27.0 -4.0
DAYS MIN <= 0 1 0.6 0.4
PRECIPITATION (INCHES)
RECORD
MAXIMUM 5.33 1972
MINIMUM 0.33 1939
TOTALS 2.50 1.85 0.65
DAILY AVG. 0.08 0.06 0.02
DAYS >= .01 12 12.2 -0.2
DAYS >= .10 8 5.2 2.8
DAYS >= .50 1 0.8 0.2
DAYS >= 1.00 1 0.2 0.8
GREATEST
24 HR. TOTAL 1.26 12/29 TO 12/30
SNOWFALL (INCHES)
RECORDS
TOTAL 40.2 2000
TOTALS 9.8 11.8 -2.0
LIQUID EQUIV 1.00 1.10 -0.10
SINCE 7/1 9.9 15.3 -5.4
LIQUID 7/1 0.99
DAYS >= TRACE 17 8.8 8.2
DAYS >= 1.0 5 4.1 0.9
GREATEST
SNOW DEPTH 5 12/24
12/25
DEGREE DAYS
HEATING TOTAL 1061 1119 -58
SINCE 7/1 2054 2510 -456
COOLING TOTAL 0 0 0
SINCE 1/1 780 632 148
FREEZE DATES
RECORD
EARLIEST 09/12 (1943)
LATEST 05/28 (1949)
EARLIEST 10/17 (2024)
LATEST 04/26 (2024)
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 9.9
HIGHEST WIND SPEED/DIRECTION 37/030 DATE 12/29
HIGHEST GUST SPEED/DIRECTION 46/030 DATE 12/29
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.76
NUMBER OF DAYS FAIR 2
NUMBER OF DAYS PC 12
NUMBER OF DAYS CLOUDY 17
AVERAGE RH (PERCENT) 76
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 2
LIGHT RAIN 7 FREEZING RAIN 0
LT FREEZING RAIN 2 HAIL 0
HEAVY SNOW 1 SNOW 1
LIGHT SNOW 16 SLEET 1
FOG 19 FOG W/VIS <= 1/4 MILE 1
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 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)