216  
CDUS45 KTFX 230739  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
139 AM MDT FRI MAY 23 2025  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR MAY 22 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1896 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 66 205 PM 93 1928 65 1 59  
MINIMUM 30 342 AM 24 1930 40 -10 37  
AVERAGE 48 52 -4 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.28 1.10 1901 0.10 0.18 0.27  
MONTH TO DATE 2.82 1.82 1.00 3.74  
SINCE OCT 1 6.99 7.92 -0.93 10.36  
SINCE JAN 1 5.62 5.47 0.15 7.90  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 13 4 17  
MONTH TO DATE 318 362 -44 418  
SINCE MAR 1 1883 2082 -199 2141  
SINCE JUL 1 7445 7848 -403 7373  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 2 0 2 0  
SINCE MAR 1 2 0 2 0  
SINCE JAN 1 2 0 2 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 10.6  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1000 PM  
LOWEST 28 1000 AM  
AVERAGE 61  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 96 1926  
MINIMUM TEMPERATURE (F) 40 17 1930  
 
SUNRISE AND SUNSET  
MAY 23 2025...........SUNRISE 533 AM MDT SUNSET 857 PM MDT  
MAY 24 2025...........SUNRISE 532 AM MDT SUNSET 858 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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