439  
CDUS45 KTFX 202240  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT THU JUL 20 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR JULY 20 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 85 244 PM 96 1934 83 2 84  
2003  
MINIMUM 52 531 AM 36 1900 52 0 51  
AVERAGE 69 68 1 68  
 
PRECIPITATION (IN)  
TODAY 0.00 1.14 1961 0.06 -0.06 0.00  
MONTH TO DATE 0.18 1.24 -1.06 2.55  
SINCE OCT 1 16.18 13.57 2.61 11.34  
SINCE JAN 1 13.50 11.12 2.38 9.58  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 41 54 -13 10  
SINCE JUN 1 231 280 -49 235  
SINCE JUL 1 41 54 -13 10  
 
COOLING  
TODAY 4 4 0 3  
MONTH TO DATE 26 57 -31 92  
SINCE JUN 1 28 74 -46 110  
SINCE JAN 1 28 75 -47 110    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74  
LOWEST 26  
AVERAGE 50  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 101 1931  
MINIMUM TEMPERATURE (F) 52 33 1926  
 
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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