439  
CDUS45 KTFX 200733  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
133 AM MDT THU JUL 20 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR JULY 19 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 79 501 PM 99 1960 83 -4 84  
MINIMUM 45 500 AM 35 1897 52 -7 58  
AVERAGE 62 67 -5 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.83 1948 0.05 -0.05 0.00  
MONTH TO DATE 0.18 1.18 -1.00 2.55  
SINCE OCT 1 16.18 13.51 2.67 11.34  
SINCE JAN 1 13.50 11.06 2.44 9.58  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 2 1 0  
MONTH TO DATE 41 53 -12 10  
SINCE JUN 1 231 279 -48 235  
SINCE JUL 1 41 53 -12 10  
 
COOLING  
YESTERDAY 0 4 -4 6  
MONTH TO DATE 22 53 -31 89  
SINCE JUN 1 24 70 -46 107  
SINCE JAN 1 24 71 -47 107    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 500 AM  
LOWEST 27 400 PM  
AVERAGE 52  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 96 1934  
2003  
MINIMUM TEMPERATURE (F) 52 36 1900  
 
SUNRISE AND SUNSET  
JULY 20 2023..........SUNRISE 543 AM MDT SUNSET 905 PM MDT  
JULY 21 2023..........SUNRISE 544 AM MDT SUNSET 904 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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