621  
CDUS45 KTFX 270742  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
142 AM MDT TUE MAY 27 2025  
   
...............................  
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR MAY 26 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 75 412 PM 90 1936 66 9 61  
MINIMUM 43 455 AM 26 1975 41 2 38  
AVERAGE 59 53 6 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.77 1925 0.12 -0.12 0.00  
MONTH TO DATE 2.89 2.27 0.62 3.81  
SINCE OCT 1 7.06 8.37 -1.31 10.43  
SINCE JAN 1 5.69 5.92 -0.23 7.97  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 12 -6 15  
MONTH TO DATE 360 411 -51 491  
SINCE MAR 1 1925 2131 -206 2214  
SINCE JUL 1 7487 7897 -410 7446  
 
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 21 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 10.5  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 400 AM  
LOWEST 33 300 PM  
AVERAGE 63  
   
......................................................  
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 91 1934  
MINIMUM TEMPERATURE (F) 41 23 1910  
 
SUNRISE AND SUNSET  
MAY 27 2025...........SUNRISE 530 AM MDT SUNSET 901 PM MDT  
MAY 28 2025...........SUNRISE 529 AM MDT SUNSET 902 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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