256  
CDUS45 KTFX 172240  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT THU APR 17 2025  
   
...............................  
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR APRIL 17 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 37 219 PM 81 1923 53 -16 32  
MINIMUM 28 726 AM 4 1896 29 -1 24  
AVERAGE 33 41 -8 28  
 
PRECIPITATION (IN)  
TODAY 0.05 0.90 1903 0.06 -0.01 0.12  
MONTH TO DATE 1.08 0.90 0.18 2.32  
SINCE OCT 1 4.06 5.29 -1.23 6.39  
SINCE JAN 1 2.69 2.84 -0.15 3.93  
 
DEGREE DAYS  
HEATING  
TODAY 32 24 8 37  
MONTH TO DATE 430 434 -4 370  
SINCE MAR 1 1287 1431 -144 1423  
SINCE JUL 1 6849 7197 -348 6655  
 
COOLING  
TODAY 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 NW (330)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 48  
AVERAGE 74  
   
......................................................  
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 81 1936  
MINIMUM TEMPERATURE (F) 29 5 1951  
 
SUNRISE AND SUNSET  
APRIL 17 2025.........SUNRISE 626 AM MDT SUNSET 810 PM MDT  
APRIL 18 2025.........SUNRISE 624 AM MDT SUNSET 811 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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