653  
CDUS45 KTFX 202240  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT TUE JUN 20 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR JUNE 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 63 259 PM 96 1988 72 -9 66  
MINIMUM 45 429 AM 27 1929 46 -1 43  
AVERAGE 54 59 -5 55  
 
PRECIPITATION (IN)  
TODAY 0.00 1.30 1903 0.11 -0.11 0.32  
MONTH TO DATE 3.77 2.45 1.32 1.86  
SINCE OCT 1 14.53 11.43 3.10 8.56  
SINCE JAN 1 11.85 8.98 2.87 6.80  
 
DEGREE DAYS  
HEATING  
TODAY 11 7 4 10  
MONTH TO DATE 122 171 -49 180  
SINCE JUN 1 122 171 -49 180  
SINCE JUL 1 8185 8123 62 7990  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 1 0 1 11  
SINCE JUN 1 1 0 1 11  
SINCE JAN 1 1 1 0 11    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 2.1  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83  
LOWEST 40  
AVERAGE 62  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 105 1900  
MINIMUM TEMPERATURE (F) 46 32 1926  
 
SUNRISE AND SUNSET  
JUNE 20 2023..........SUNRISE 522 AM MDT SUNSET 917 PM MDT  
JUNE 21 2023..........SUNRISE 523 AM MDT SUNSET 917 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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