209  
CDUS45 KBYZ 010945  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
345 AM MDT THU MAY 01 2025  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR APRIL 30 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 57 1226 PM 86 1939 61 -4 56  
MINIMUM 46 1156 PM 17 1950 38 8 37  
AVERAGE 52 50 2 47  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.61 1967 0.06 -0.06 0.10  
MONTH TO DATE 3.35 1.72 1.63 1.56  
SINCE OCT 1 8.47 6.28 2.19 5.73  
SINCE JAN 1 7.17 3.74 3.43 3.34  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.4 1967 0.1 -0.1 0.0  
MONTH TO DATE 8.9 7.5 1.4 4.4  
SINCE MAR 1 16.2 15.7 0.5 9.2  
SINCE JUL 1 64.2 56.5 7.7 35.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 15 -2 18  
MONTH TO DATE 530 577 -47 472  
SINCE MAR 1 1219 1416 -197 1340  
SINCE JUL 1 5982 6351 -369 5715  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 1 -1 0  
SINCE MAR 1 0 1 -1 0  
SINCE JAN 1 0 1 -1 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED MM  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER MM  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 400 PM  
LOWEST 74 400 PM  
AVERAGE 74  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 88 1981  
MINIMUM TEMPERATURE (F) 39 17 1954  
 
SUNRISE AND SUNSET  
MAY 1 2025...........SUNRISE 601 AM MDT SUNSET 822 PM MDT  
MAY 2 2025...........SUNRISE 559 AM MDT SUNSET 823 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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