489  
CDUS45 KTFX 150744  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
144 AM MDT MON MAY 15 2023  
   
...............................
 
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR MAY 14 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 71 309 PM 95 1936 64 7 61  
MINIMUM 44 1137 PM 26 2004 38 6 28  
AVERAGE 58 51 7 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.43 1942 0.07 -0.07 0.00  
1998  
MONTH TO DATE 1.05 0.84 0.21 0.81  
SINCE OCT 1 10.06 6.67 3.39 6.26  
SINCE JAN 1 6.29 4.39 1.90 4.97  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.8 1955 0.0 0.0 0.0  
MONTH TO DATE 0.0 1.3 -1.3 0.0  
SINCE MAR 1 38.2 20.8 17.4 21.8  
SINCE JUL 1 96.2 65.2 31.0 61.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 14 -7 20  
MONTH TO DATE 152 227 -75 224  
SINCE MAR 1 2057 1863 194 1940  
SINCE JUL 1 7523 7333 190 7108  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 500 AM  
LOWEST 49 500 PM  
AVERAGE 73  
   
......................................................
 
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 93 1897  
MINIMUM TEMPERATURE (F) 38 28 1929  
 
SUNRISE AND SUNSET  
MAY 15 2023...........SUNRISE 549 AM MDT SUNSET 856 PM MDT  
MAY 16 2023...........SUNRISE 547 AM MDT SUNSET 857 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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