720  
CDUS45 KMSO 120740  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
140 AM MDT FRI MAY 12 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR MAY 11 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 58 1220 PM 81 1960 60 -2 56  
MINIMUM 38 1159 PM 15 1967 33 5 20  
AVERAGE 48 46 2 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.14 0.60 1925 0.05 0.09 T  
MONTH TO DATE 1.17 0.53 0.64 0.21  
SINCE JAN 1 3.88 3.35 0.53 1.37  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE MAR 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 19 -2 27  
MONTH TO DATE 168 227 -59 256  
SINCE MAR 1 2375 2051 324 2149  
SINCE JUL 1 9092 8526 566 8027  
 
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 17 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 200 AM  
LOWEST 37 1200 PM  
AVERAGE 65  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 82 1960  
2001  
MINIMUM TEMPERATURE (F) 33 16 1985  
 
SUNRISE AND SUNSET  
MAY 12 2023...........SUNRISE 602 AM MDT SUNSET 852 PM MDT  
MAY 13 2023...........SUNRISE 601 AM MDT SUNSET 853 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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