393  
CDUS45 KBYZ 220938  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
338 AM MDT TUE JUL 22 2025  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR JULY 21 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 83 416 PM 103 1936 89 -6 91  
MINIMUM 58 330 AM 44 1939 61 -3 63  
AVERAGE 71 75 -4 77  
 
PRECIPITATION (IN)  
YESTERDAY T 0.88 2010 0.04 -0.04 0.00  
MONTH TO DATE 0.75 0.89 -0.14 0.23  
SINCE OCT 1 13.77 11.75 2.02 10.43  
SINCE JAN 1 12.47 9.21 3.26 8.04  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 T  
SINCE JUN 1 0.0 0.0 0.0 T  
SINCE JUL 1 0.0 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 16 9 7 3  
SINCE JUN 1 87 99 -12 69  
SINCE JUL 1 16 9 7 3  
 
COOLING  
YESTERDAY 6 10 -4 12  
MONTH TO DATE 177 169 8 211  
SINCE JUN 1 258 250 8 307  
SINCE JAN 1 274 265 9 308    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 1100 PM  
LOWEST 47 100 PM  
AVERAGE 64  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 103 1936  
MINIMUM TEMPERATURE (F) 61 45 1939  
 
SUNRISE AND SUNSET  
JULY 22 2025..........SUNRISE 546 AM MDT SUNSET 854 PM MDT  
JULY 23 2025..........SUNRISE 547 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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