158  
CDUS45 KTFX 190736  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
136 AM MDT SUN MAY 19 2024  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR MAY 18 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1896 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 60 406 PM 86 1937 64 -4 63  
MINIMUM 33 331 AM 23 1929 38 -5 35  
AVERAGE 47 51 -4 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.82 1959 0.10 -0.10 0.00  
MONTH TO DATE 3.25 1.41 1.84 1.12  
SINCE OCT 1 9.87 7.51 2.36 8.86  
SINCE JAN 1 7.41 5.06 2.35 6.18  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 14 4 16  
MONTH TO DATE 333 308 25 209  
SINCE MAR 1 2056 2028 28 2166  
SINCE JUL 1 7288 7794 -506 7992  
 
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 21 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 300 AM  
LOWEST 21 400 PM  
AVERAGE 52  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 87 1954  
MINIMUM TEMPERATURE (F) 39 25 1997  
 
SUNRISE AND SUNSET  
MAY 19 2024...........SUNRISE 537 AM MDT SUNSET 852 PM MDT  
MAY 20 2024...........SUNRISE 536 AM MDT SUNSET 854 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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