664  
CDUS45 KTFX 312240  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT WED MAY 31 2023  
   
...............................
 
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR MAY 31 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1886 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 78 1241 PM 90 1936 69 9 64  
1972  
MINIMUM 48 350 AM 28 1917 43 5 32  
AVERAGE 63 56 7 48  
 
PRECIPITATION (IN)  
TODAY 0.00 1.20 2000 0.11 -0.11 0.00  
MONTH TO DATE 2.60 2.43 0.17 1.24  
SINCE OCT 1 11.61 8.26 3.35 6.69  
SINCE JAN 1 7.84 5.98 1.86 5.40  
 
DEGREE DAYS  
HEATING  
TODAY 2 9 -7 17  
MONTH TO DATE 233 420 -187 451  
SINCE MAR 1 2138 2056 82 2167  
SINCE JUL 1 7604 7526 78 7335  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 5 3 2 0  
SINCE MAR 1 5 3 2 0  
SINCE JAN 1 5 3 2 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 400 AM  
LOWEST 37 100 PM  
AVERAGE 60  
   
......................................................
 
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 94 1977  
MINIMUM TEMPERATURE (F) 43 32 1919  
 
SUNRISE AND SUNSET  
MAY 31 2023...........SUNRISE 533 AM MDT SUNSET 914 PM MDT  
JUNE 1 2023..........SUNRISE 532 AM MDT SUNSET 915 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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