304  
CDUS45 KTFX 132240  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT SAT MAY 13 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR MAY 13 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 52 1254 PM 88 1903 62 -10 56  
MINIMUM 45 128 AM 15 1953 36 9 29  
AVERAGE 49 49 0 43  
 
PRECIPITATION (IN)  
TODAY 0.07 1.20 1974 0.09 -0.02 0.00  
MONTH TO DATE 1.12 0.95 0.17 0.84  
SINCE OCT 1 8.86 7.05 1.81 5.84  
SINCE JAN 1 6.18 4.60 1.58 4.08  
 
DEGREE DAYS  
HEATING  
TODAY 16 16 0 22  
MONTH TO DATE 160 234 -74 236  
SINCE MAR 1 2117 1954 163 2123  
SINCE JUL 1 7943 7720 223 7526  
 
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 E (80)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97  
LOWEST 77  
AVERAGE 87  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 98 1931  
MINIMUM TEMPERATURE (F) 37 25 1974  
2004  
 
SUNRISE AND SUNSET  
MAY 13 2023...........SUNRISE 545 AM MDT SUNSET 844 PM MDT  
MAY 14 2023...........SUNRISE 544 AM MDT SUNSET 845 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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