694  
CDUS45 KTFX 182240  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT THU MAY 18 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR MAY 18 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 62 254 PM 86 1937 64 -2 67  
MINIMUM 35 445 AM 23 1929 38 -3 37  
AVERAGE 49 51 -2 52  
 
PRECIPITATION (IN)  
TODAY 0.00 1.82 1959 0.10 -0.10 T  
MONTH TO DATE 1.12 1.41 -0.29 0.87  
SINCE OCT 1 8.86 7.51 1.35 5.87  
SINCE JAN 1 6.18 5.06 1.12 4.11  
 
DEGREE DAYS  
HEATING  
TODAY 16 14 2 13  
MONTH TO DATE 209 308 -99 300  
SINCE MAR 1 2166 2028 138 2187  
SINCE JUL 1 7992 7794 198 7590  
 
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 (280)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89  
LOWEST 32  
AVERAGE 61  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 87 1954  
MINIMUM TEMPERATURE (F) 39 25 1997  
 
SUNRISE AND SUNSET  
MAY 18 2023...........SUNRISE 539 AM MDT SUNSET 850 PM MDT  
MAY 19 2023...........SUNRISE 538 AM MDT SUNSET 852 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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