562  
CDUS45 KTFX 210731  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
131 AM MDT SUN MAY 21 2023  
   
...............................
 
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR MAY 20 2023
 
 
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)  
YESTERDAY  
MAXIMUM 80 335 PM 94 1897 66 14 48  
MINIMUM 49 508 AM 26 2021 40 9 32  
AVERAGE 65 53 12 40  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.76 1957 0.09 -0.09 0.11  
MONTH TO DATE 1.17 1.33 -0.16 1.23  
SINCE OCT 1 10.18 7.16 3.02 6.68  
SINCE JAN 1 6.41 4.88 1.53 5.39  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.5 1987 0.0 0.0 T  
MONTH TO DATE 0.0 1.6 -1.6 0.2  
SINCE MAR 1 38.2 21.1 17.1 22.0  
SINCE JUL 1 96.2 65.5 30.7 61.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 12 -12 25  
MONTH TO DATE 187 304 -117 308  
SINCE MAR 1 2092 1940 152 2024  
SINCE JUL 1 7558 7410 148 7192  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 0  
SINCE MAR 1 1 0 1 0  
SINCE JAN 1 1 0 1 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 500 AM  
LOWEST 34 300 PM  
AVERAGE 57  
   
......................................................
 
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 93 1980  
MINIMUM TEMPERATURE (F) 40 24 2022  
 
SUNRISE AND SUNSET  
MAY 21 2023...........SUNRISE 542 AM MDT SUNSET 903 PM MDT  
MAY 22 2023...........SUNRISE 541 AM MDT SUNSET 904 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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