685  
CDUS45 KTFX 212240  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT TUE MAY 21 2024  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR MAY 21 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 59 229 PM 89 1928 64 -5 81  
MINIMUM 33 330 AM 24 1931 39 -6 46  
AVERAGE 46 52 -6 64  
 
PRECIPITATION (IN)  
TODAY 0.00 1.74 1962 0.11 -0.11 T  
MONTH TO DATE 3.47 1.72 1.75 1.12  
SINCE OCT 1 10.09 7.82 2.27 8.86  
SINCE JAN 1 7.63 5.37 2.26 6.18  
 
DEGREE DAYS  
HEATING  
TODAY 19 13 6 1  
MONTH TO DATE 401 349 52 222  
SINCE MAR 1 2124 2069 55 2179  
SINCE JUL 1 7356 7835 -479 8005  
 
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 17 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89  
LOWEST 32  
AVERAGE 61  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 93 1928  
MINIMUM TEMPERATURE (F) 40 24 1930  
 
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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