989  
CDUS45 KMSO 200737  
CLIBTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MISSOULA MT  
137 AM MDT SAT MAY 20 2023  
   
...............................
 
 
   
..THE BUTTE MT CLIMATE SUMMARY FOR MAY 19 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 78 438 PM 85 1954 62 16 46  
MINIMUM 34 540 AM 22 2003 36 -2 31  
AVERAGE 56 49 7 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.22 1938 0.07 -0.07 T  
MONTH TO DATE 1.26 1.03 0.23 0.24  
SINCE JAN 1 3.97 3.85 0.12 1.40  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE MM  
SINCE MAR 1 MM  
SINCE JUL 1 MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 16 -7 26  
MONTH TO DATE 262 365 -103 411  
SINCE MAR 1 2469 2189 280 2304  
SINCE JUL 1 9186 8664 522 8182  
 
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 14 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 500 AM  
LOWEST 15 100 PM  
AVERAGE 52  
   
......................................................
 
 
THE BUTTE MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 83 1919  
MINIMUM TEMPERATURE (F) 36 23 2003  
 
SUNRISE AND SUNSET  
MAY 20 2023...........SUNRISE 553 AM MDT SUNSET 901 PM MDT  
MAY 21 2023...........SUNRISE 552 AM MDT SUNSET 902 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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