250  
CDUS45 KTFX 212240  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT TUE MAY 21 2024  
   
...............................
 
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR MAY 21 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1886 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 62 1135 AM 93 1980 66 -4 85  
MINIMUM 30 433 AM 24 2022 40 -10 53  
AVERAGE 46 53 -7 69  
 
PRECIPITATION (IN)  
TODAY 0.04 1.43 1962 0.09 -0.05 0.00  
MONTH TO DATE 1.92 1.42 0.50 1.17  
SINCE OCT 1 8.85 7.25 1.60 10.18  
SINCE JAN 1 6.75 4.97 1.78 6.41  
 
DEGREE DAYS  
HEATING  
TODAY 19 12 7 0  
MONTH TO DATE 339 316 23 187  
SINCE MAR 1 1978 1952 26 2092  
SINCE JUL 1 6803 7422 -619 7558  
 
COOLING  
TODAY 0 0 0 4  
MONTH TO DATE 0 0 0 5  
SINCE MAR 1 0 0 0 5  
SINCE JAN 1 0 0 0 5    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 300 AM  
LOWEST 33 1200 PM  
AVERAGE 63  
   
......................................................
 
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 97 1919  
MINIMUM TEMPERATURE (F) 41 26 2021  
 
SUNRISE AND SUNSET  
MAY 21 2024...........SUNRISE 541 AM MDT SUNSET 904 PM MDT  
MAY 22 2024...........SUNRISE 540 AM MDT SUNSET 905 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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