369  
CDUS45 KBYZ 010933  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
333 AM MDT FRI MAY 01 2026  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR APRIL 30 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 61 436 PM 86 1939 61 0 57  
MINIMUM 34 329 AM 17 1950 38 -4 46  
AVERAGE 48 50 -2 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.61 1967 0.06 -0.06 0.03  
MONTH TO DATE 0.61 1.72 -1.11 3.38  
SINCE OCT 1 6.22 6.28 -0.06 8.50  
SINCE JAN 1 2.34 3.74 -1.40 7.20  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.4 1967 0.1 -0.1 0.0  
MONTH TO DATE 2.4 7.5 -5.1 8.9  
SINCE MAR 1 16.6 15.7 0.9 16.2  
SINCE JUL 1 40.9 56.5 -15.6 64.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 15 2 13  
MONTH TO DATE 556 577 -21 530  
SINCE MAR 1 1206 1416 -210 1219  
SINCE JUL 1 5030 6351 -1321 5982  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 1 -1 0  
SINCE MAR 1 2 1 1 0  
SINCE JAN 1 2 1 1 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 100 AM  
LOWEST 19 400 PM  
AVERAGE 47  
   
......................................................
 
 
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 2026...........SUNRISE 601 AM MDT SUNSET 822 PM MDT  
MAY 2 2026...........SUNRISE 600 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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