541  
CDUS45 KTFX 112240  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT THU MAY 11 2023  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR MAY 11 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 56 215 PM 86 1993 61 -5 61  
MINIMUM 46 608 AM 19 1953 36 10 26  
AVERAGE 51 48 3 44  
 
PRECIPITATION (IN)  
TODAY 0.13 1.02 1963 0.08 0.05 0.00  
MONTH TO DATE 1.04 0.78 0.26 0.67  
SINCE OCT 1 8.78 6.88 1.90 5.67  
SINCE JAN 1 6.10 4.43 1.67 3.91  
 
DEGREE DAYS  
HEATING  
TODAY 14 17 -3 21  
MONTH TO DATE 131 202 -71 192  
SINCE MAR 1 2088 1922 166 2079  
SINCE JUL 1 7914 7688 226 7482  
 
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 10 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 4.0  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96  
LOWEST 67  
AVERAGE 82  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 88 2001  
MINIMUM TEMPERATURE (F) 36 19 1966  
 
SUNRISE AND SUNSET  
MAY 11 2023...........SUNRISE 548 AM MDT SUNSET 842 PM MDT  
MAY 12 2023...........SUNRISE 546 AM MDT SUNSET 843 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MT Page Main Text Page