578  
CDUS45 KTFX 300737  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
137 AM MDT FRI MAY 30 2025  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR MAY 29 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 79 335 PM 92 1936 66 13 64  
MINIMUM 45 311 AM 27 1951 42 3 37  
AVERAGE 62 54 8 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.62 1953 0.13 -0.13 0.05  
MONTH TO DATE 2.89 2.63 0.26 3.86  
SINCE OCT 1 7.06 8.73 -1.67 10.48  
SINCE JAN 1 5.69 6.28 -0.59 8.02  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 11 -8 14  
MONTH TO DATE 371 445 -74 524  
SINCE MAR 1 1936 2165 -229 2247  
SINCE JUL 1 7498 7931 -433 7479  
 
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 14 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 600 AM  
LOWEST 32 300 PM  
AVERAGE 59  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 92 1936  
MINIMUM TEMPERATURE (F) 42 30 1982  
2001  
 
SUNRISE AND SUNSET  
MAY 30 2025...........SUNRISE 528 AM MDT SUNSET 904 PM MDT  
MAY 31 2025...........SUNRISE 527 AM MDT SUNSET 905 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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