590  
CDUS45 KTFX 182240  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT FRI APR 18 2025  
   
...............................  
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR APRIL 18 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 48 259 PM 81 1936 53 -5 35  
MINIMUM 19 536 AM 5 1951 29 -10 16  
AVERAGE 34 41 -7 26  
 
PRECIPITATION (IN)  
TODAY 0.00 1.03 2005 0.06 -0.06 T  
MONTH TO DATE 1.08 0.96 0.12 2.32  
SINCE OCT 1 4.06 5.35 -1.29 6.39  
SINCE JAN 1 2.69 2.90 -0.21 3.93  
 
DEGREE DAYS  
HEATING  
TODAY 31 24 7 39  
MONTH TO DATE 463 458 5 409  
SINCE MAR 1 1320 1455 -135 1462  
SINCE JUL 1 6882 7221 -339 6694  
 
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 16 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 31  
AVERAGE 60  
   
......................................................  
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 86 1910  
MINIMUM TEMPERATURE (F) 29 3 1951  
 
SUNRISE AND SUNSET  
APRIL 18 2025.........SUNRISE 624 AM MDT SUNSET 811 PM MDT  
APRIL 19 2025.........SUNRISE 622 AM MDT SUNSET 813 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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