791  
CDUS45 KBYZ 121731  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1131 AM MDT FRI MAY 12 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 12 2023
 
 
VALID AS OF 1100 AM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 60 939 AM 94 1960 66 -6 49  
MINIMUM 46 441 AM 21 1953 43 3 43  
AVERAGE 53 54 -1 46  
 
PRECIPITATION (IN)  
TODAY 0.00 1.78 1995 0.08 -0.08 0.52  
MONTH TO DATE 1.15 0.76 0.39 0.80  
SINCE OCT 1 6.63 7.04 -0.41 8.01  
SINCE JAN 1 4.58 4.50 0.08 5.25  
 
SNOWFALL (IN)  
TODAY 0.0 6.1 1983 0.0 0.0 0.0  
MONTH TO DATE T 0.6 -0.6 T  
SINCE MAR 1 18.6 16.3 2.3 21.5  
SINCE JUL 1 56.1 57.1 -1.0 62.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 12 11 1 19  
MONTH TO DATE 93 158 -65 161  
SINCE MAR 1 1819 1574 245 1718  
SINCE JUL 1 6892 6509 383 6278  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 1 0 1 0  
SINCE MAR 1 1 1 0 0  
SINCE JAN 1 1 1 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 500 AM  
LOWEST 53 1000 AM  
AVERAGE 75  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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