034  
CDUS45 KTFX 172240  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT WED MAY 17 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR MAY 17 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 61 223 PM 87 1948 63 -2 67  
MINIMUM 49 658 AM 27 1930 38 11 41  
AVERAGE 55 50 5 54  
 
PRECIPITATION (IN)  
TODAY T 1.54 1944 0.10 -0.10 0.00  
MONTH TO DATE 1.12 1.31 -0.19 0.87  
SINCE OCT 1 8.86 7.41 1.45 5.87  
SINCE JAN 1 6.18 4.96 1.22 4.11  
 
DEGREE DAYS  
HEATING  
TODAY 10 14 -4 11  
MONTH TO DATE 189 294 -105 287  
SINCE MAR 1 2146 2014 132 2174  
SINCE JUL 1 7972 7780 192 7577  
 
COOLING  
TODAY 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 16 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86  
LOWEST 47  
AVERAGE 67  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 86 1937  
MINIMUM TEMPERATURE (F) 38 23 1929  
 
SUNRISE AND SUNSET  
MAY 17 2023...........SUNRISE 540 AM MDT SUNSET 849 PM MDT  
MAY 18 2023...........SUNRISE 539 AM MDT SUNSET 850 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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