887  
CDUS45 KTFX 120737  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
137 AM MDT FRI MAY 12 2023  
   
...............................
 
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR MAY 11 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 61 408 PM 88 1960 63 -2 62  
MINIMUM 42 1115 PM 23 1983 37 5 25  
AVERAGE 52 50 2 44  
 
PRECIPITATION (IN)  
YESTERDAY 0.14 1.40 2018 0.07 0.07 0.01  
MONTH TO DATE 1.05 0.63 0.42 0.12  
SINCE OCT 1 10.06 6.46 3.60 5.57  
SINCE JAN 1 6.29 4.18 2.11 4.28  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.6 2014 0.1 -0.1 0.0  
MONTH TO DATE 0.0 1.1 -1.1 0.0  
SINCE MAR 1 38.2 20.6 17.6 21.8  
SINCE JUL 1 96.2 65.0 31.2 61.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 15 -2 21  
MONTH TO DATE 119 184 -65 165  
SINCE MAR 1 2024 1820 204 1881  
SINCE JUL 1 7490 7290 200 7049  
 
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 15 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 600 AM  
LOWEST 60 400 PM  
AVERAGE 79  
   
......................................................
 
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 90 2001  
MINIMUM TEMPERATURE (F) 37 22 1943  
 
SUNRISE AND SUNSET  
MAY 12 2023...........SUNRISE 553 AM MDT SUNSET 852 PM MDT  
MAY 13 2023...........SUNRISE 551 AM MDT SUNSET 853 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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