450
CXUS53 KGRR 021609
CLMJXN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
1109 AM EST FRI JAN 02 2026
...............................
..THE JACKSON CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1944 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
HIGHEST 61 12/28 MM MM 54 12/28
LOWEST -3 12/05 MM MM 7 12/22
AVG. MAXIMUM 33.7 36.2 -2.5 36.8
AVG. MINIMUM 17.5 23.6 -6.1 25.1
MEAN 25.6 29.9 -4.3 31.0
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 15 11.7 3.3 11
DAYS MIN <= 32 31 26.0 5.0 22
DAYS MIN <= 0 1 0.9 0.1 0
PRECIPITATION (INCHES)
TOTALS 2.48 1.76 0.72 2.26
DAILY AVG. 0.08 0.06 0.02 0.07
DAYS >= .01 10 11.9 -1.9 10
DAYS >= .10 5 4.7 0.3 5
DAYS >= .50 1 0.9 0.1 1
DAYS >= 1.00 1 0.1 0.9 1
GREATEST
24 HR. TOTAL 1.21 12/28 TO 12/29
DEGREE DAYS
HEATING TOTAL 1214 1088 126 1048
SINCE 7/1 2543 2435 108 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 683 634 49 MM
............................................................
WIND (MPH)
AVERAGE WIND SPEED 8.9
RESULTANT WIND SPEED/DIRECTION 5/220
HIGHEST WIND SPEED/DIRECTION 35/230 DATE 12/28
HIGHEST GUST SPEED/DIRECTION 54/250 DATE 12/29
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.69
NUMBER OF DAYS FAIR 8
NUMBER OF DAYS PC 4
NUMBER OF DAYS CLOUDY 19
AVERAGE RH (PERCENT) 75
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 3
LIGHT RAIN 6 FREEZING RAIN 0
LT FREEZING RAIN 1 HAIL 0
HEAVY SNOW 0 SNOW 2
LIGHT SNOW 15 SLEET 0
FOG 20 FOG W/VIS <= 1/4 MILE 3
HAZE 9
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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