450  
CDUS45 KTFX 210739  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
139 AM MDT TUE MAY 21 2024  
   
...............................  
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR MAY 20 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 53 1148 AM 88 1925 64 -11 78  
MINIMUM 28 423 AM 23 1931 39 -11 45  
AVERAGE 41 52 -11 62  
 
PRECIPITATION (IN)  
YESTERDAY T 2.81 1962 0.10 -0.10 0.00  
MONTH TO DATE 3.47 1.61 1.86 1.12  
SINCE OCT 1 10.09 7.71 2.38 8.86  
SINCE JAN 1 7.63 5.26 2.37 6.18  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 14 10 3  
MONTH TO DATE 382 336 46 221  
SINCE MAR 1 2105 2056 49 2178  
SINCE JUL 1 7337 7822 -485 8004  
 
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 29 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 1100 PM  
LOWEST 44 600 PM  
AVERAGE 65  
   
......................................................  
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 89 1928  
MINIMUM TEMPERATURE (F) 39 24 1931  
 
SUNRISE AND SUNSET  
MAY 21 2024...........SUNRISE 535 AM MDT SUNSET 855 PM MDT  
MAY 22 2024...........SUNRISE 534 AM MDT SUNSET 856 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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