170  
CDUS45 KTFX 310742  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
142 AM MDT WED MAY 31 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR MAY 30 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 76 510 PM 92 1936 67 9 57  
MINIMUM 46 508 AM 30 1982 42 4 41  
2001  
AVERAGE 61 54 7 49  
 
PRECIPITATION (IN)  
YESTERDAY T 1.25 2013 0.12 -0.12 0.14  
MONTH TO DATE 2.06 2.75 -0.69 1.70  
SINCE OCT 1 9.80 8.85 0.95 6.70  
SINCE JAN 1 7.12 6.40 0.72 4.94  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 11 -7 16  
MONTH TO DATE 277 456 -179 504  
SINCE MAR 1 2234 2176 58 2391  
SINCE JUL 1 8060 7942 118 7794  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 300 AM  
LOWEST 27 1100 AM  
AVERAGE 59  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 87 1936  
MINIMUM TEMPERATURE (F) 42 24 1982  
 
SUNRISE AND SUNSET  
MAY 31 2023...........SUNRISE 527 AM MDT SUNSET 904 PM MDT  
JUNE 1 2023..........SUNRISE 527 AM MDT SUNSET 905 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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