Climatological Report (Monthly)
Issued by NWS Jackson, MS
Issued by NWS Jackson, MS
840
CXUS54 KJAN 011944
CLMGLH
CLIMATE REPORT
NATIONAL WEATHER SERVICE JACKSON MS
144 PM CST THU JAN 01 2026
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...THE GREENVILLE CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1903 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 85 12/16/1924
LOW 1 12/24/1989
12/23/1989
12/22/1989
HIGHEST 79 12/28 MM MM 73 12/16
LOWEST 19 12/15 MM MM 25 12/06
AVG. MAXIMUM 57.1 55.2 1.9 59.2
AVG. MINIMUM 39.6 37.1 2.5 40.9
MEAN 48.4 46.2 2.2 50.0
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.1 -0.1 0
DAYS MIN <= 32 7 11.0 -4.0 10
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 21.53 1931
MINIMUM 0.49 1980
TOTALS 1.65 5.10 -3.45 7.17
DAILY AVG. 0.05 0.16 -0.11 0.23
DAYS >= .01 5 9.4 -4.4 13
DAYS >= .10 3 6.7 -3.7 11
DAYS >= .50 1 4.2 -3.2 5
DAYS >= 1.00 1 1.8 -0.8 2
GREATEST
24 HR. TOTAL 1.14 12/01 TO 12/01 2.01
SNOWFALL (INCHES)
TOTALS 0.0
DEGREE DAYS
HEATING TOTAL 499 588 -89 460
SINCE 7/1 789 1052 -263 MM
COOLING TOTAL 9 4 5 2
SINCE 1/1 2714 2296 418 MM
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WIND (MPH)
AVERAGE WIND SPEED 9.3
HIGHEST WIND SPEED/DIRECTION 39/330 DATE 12/29
HIGHEST GUST SPEED/DIRECTION 49/330 DATE 12/29
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.51
NUMBER OF DAYS FAIR 10
NUMBER OF DAYS PC 6
NUMBER OF DAYS CLOUDY 9
AVERAGE RH (PERCENT) 78
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 2
LIGHT RAIN 10 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 1
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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