542  
CDUS45 KTFX 180739  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
139 AM MDT TUE JUL 18 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR JULY 17 2023
 
 
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)  
YESTERDAY  
MAXIMUM 87 453 PM 101 2022 83 4 101  
MINIMUM 55 522 AM 38 1982 51 4 56  
AVERAGE 71 67 4 79  
 
PRECIPITATION (IN)  
YESTERDAY 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  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 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 10.1  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 500 AM  
LOWEST 26 800 PM  
AVERAGE 49  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 100 1955  
MINIMUM TEMPERATURE (F) 51 36 1919  
 
SUNRISE AND SUNSET  
JULY 18 2023..........SUNRISE 541 AM MDT SUNSET 907 PM MDT  
JULY 19 2023..........SUNRISE 542 AM MDT SUNSET 906 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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