316  
CDUS45 KTFX 220738  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
138 AM MDT THU JUN 22 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR JUNE 21 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 61 1257 PM 105 1900 73 -12 71  
MINIMUM 35 447 AM 32 1926 46 -11 47  
AVERAGE 48 59 -11 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.89 1.05 1923 0.10 0.79 0.15  
MONTH TO DATE 4.92 2.55 2.37 2.01  
SINCE OCT 1 15.68 11.53 4.15 8.71  
SINCE JAN 1 13.00 9.08 3.92 6.95  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 6 11 6  
MONTH TO DATE 141 177 -36 186  
SINCE JUN 1 141 177 -36 186  
SINCE JUL 1 8204 8129 75 7996  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 1 1 0 11  
SINCE JUN 1 1 1 0 11  
SINCE JAN 1 1 2 -1 11    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1000 PM  
LOWEST 45 1200 PM  
AVERAGE 71  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 98 1919  
MINIMUM TEMPERATURE (F) 46 33 1942  
 
SUNRISE AND SUNSET  
JUNE 22 2023..........SUNRISE 523 AM MDT SUNSET 917 PM MDT  
JUNE 23 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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