220  
CDUS45 KTFX 172240  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT MON JUL 17 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR JULY 17 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1896 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 86 1048 AM 101 2022 83 3 101  
MINIMUM 55 522 AM 38 1982 51 4 56  
AVERAGE 71 67 4 79  
 
PRECIPITATION (IN)  
TODAY 0.04 1.27 1987 0.06 -0.02 0.00  
MONTH TO DATE 0.18 1.08 -0.90 2.55  
SINCE OCT 1 16.18 13.41 2.77 11.34  
SINCE JAN 1 13.50 10.96 2.54 9.58  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 37 49 -12 10  
SINCE JUN 1 227 275 -48 235  
SINCE JUL 1 37 49 -12 10  
 
COOLING  
TODAY 6 4 2 14  
MONTH TO DATE 22 45 -23 76  
SINCE JUN 1 24 62 -38 94  
SINCE JAN 1 24 63 -39 94    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72  
LOWEST 32  
AVERAGE 52  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 100 1955  
MINIMUM TEMPERATURE (F) 51 36 1919  
 
SUNRISE AND SUNSET  
JULY 17 2023..........SUNRISE 540 AM MDT SUNSET 908 PM MDT  
JULY 18 2023..........SUNRISE 541 AM MDT SUNSET 907 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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