167  
CXUS55 KTFX 011627  
CLMGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
927 AM MST THU FEB 01 2024  
   
...............................
 
 
...THE GREAT FALLS MT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2024...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1886 TO 2024  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE  
NORMAL    
..........................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 67 01/26/2015  
01/31/1992  
01/31/1892  
LOW -44 01/10/1909  
HIGHEST 64 01/30 33 31 54  
LOWEST -37 01/13 11 -48 -15  
AVG. MAXIMUM 32.9 35.3 -2.4 38.0  
AVG. MINIMUM 10.5 15.0 -4.5 21.8  
MEAN 21.7 25.2 -3.5 29.9  
DAYS MAX >= 90 0 0.0 0.0  
DAYS MAX <= 32 12 10.1 1.9  
DAYS MIN <= 32 26 26.9 -0.9  
DAYS MIN <= 0 10 6.3 3.7  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 2.05 1969  
MINIMUM T  
TOTALS 0.58 0.55 0.03 1.05  
DAYS >= .01 6 6.9 -0.9  
DAYS >= .10 2 1.9 0.1  
DAYS >= .50 0 0.0 0.0  
DAYS >= 1.00 0 0.0 0.0  
GREATEST  
24 HR. TOTAL 0.32 01/17 TO 01/18  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL 24.0 1913  
24 HR TOTAL 10.2 01/15/1984 TO 01/16/1984  
TOTALS 8.1 9.2 -1.1 6.2  
SINCE 7/1 20.4 34.3 -13.9 MM  
SNOWDEPTH AVG. 1  
DAYS >= TRACE 8 7.4 0.6  
DAYS >= 1.0 3 3.2 -0.2  
GREATEST  
SNOW DEPTH 3 01/18  
01/19  
01/20  
24 HR TOTAL MM  
 
DEGREE DAYS  
HEATING TOTAL 1333 1235 98 1080  
SINCE 7/1 3781 4390 -609 MM  
COOLING TOTAL 0 0 0 0  
SINCE 1/1 0 0 0 MM    
..........................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 11.8  
HIGHEST WIND SPEED/DIRECTION 38/240 DATE 01/09  
HIGHEST GUST SPEED/DIRECTION 51/240 DATE 01/09  
 
SKY COVER  
AVERAGE SKY COVER 0.33  
 
AVERAGE RH (PERCENT) 61  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 0 RAIN 0  
LIGHT RAIN 1 FREEZING RAIN 0  
LT FREEZING RAIN 1 HAIL 0  
HEAVY SNOW 0 SNOW 1  
LIGHT SNOW 8 SLEET 0  
FOG 7 FOG W/VIS <= 1/4 MILE 1  
HAZE 6  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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