938  
CDUS45 KTFX 210737  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
137 AM MDT MON APR 21 2025  
   
...............................  
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR APRIL 20 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 58 MM 84 1908 54 4 48  
MINIMUM 37 MM 0 1927 30 7 16  
AVERAGE 48 42 6 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.08 1973 0.06 -0.05 0.00  
MONTH TO DATE 1.09 1.08 0.01 2.32  
SINCE OCT 1 4.07 5.47 -1.40 6.39  
SINCE JAN 1 2.70 3.02 -0.32 3.93  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 23 -6 33  
MONTH TO DATE 501 505 -4 483  
SINCE MAR 1 1358 1502 -144 1536  
SINCE JUL 1 6920 7268 -348 6768  
 
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 (280)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1100 PM  
LOWEST 33 200 PM  
AVERAGE 65  
   
......................................................  
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 82 1906  
MINIMUM TEMPERATURE (F) 30 0 2008  
 
SUNRISE AND SUNSET  
APRIL 21 2025.........SUNRISE 618 AM MDT SUNSET 815 PM MDT  
APRIL 22 2025.........SUNRISE 617 AM MDT SUNSET 817 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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