829  
CDUS45 KBYZ 210931  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
331 AM MDT MON APR 21 2025  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR APRIL 20 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 63 322 PM 90 1980 58 5 48  
MINIMUM 44 1159 PM 17 1966 36 8 22  
AVERAGE 54 47 7 35  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.55 2005 0.06 -0.04 0.00  
MONTH TO DATE 1.70 1.14 0.56 1.16  
SINCE OCT 1 6.82 5.70 1.12 5.33  
SINCE JAN 1 5.52 3.16 2.36 2.94  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.5 2005 0.3 -0.3 0.0  
MONTH TO DATE 8.9 5.9 3.0 4.4  
SINCE MAR 1 16.2 14.1 2.1 9.2  
SINCE JUL 1 64.2 54.9 9.3 35.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 18 -7 30  
MONTH TO DATE 366 409 -43 343  
SINCE MAR 1 1055 1248 -193 1211  
SINCE JUL 1 5818 6183 -365 5586  
 
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 22 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 1100 PM  
LOWEST 26 500 PM  
AVERAGE 53  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 89 1980  
MINIMUM TEMPERATURE (F) 36 15 2008  
 
SUNRISE AND SUNSET  
APRIL 21 2025.........SUNRISE 617 AM MDT SUNSET 809 PM MDT  
APRIL 22 2025.........SUNRISE 615 AM MDT SUNSET 811 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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