613  
CDUS45 KBYZ 170936  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
336 AM MDT WED MAY 17 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 16 2023
 
 
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)  
YESTERDAY  
MAXIMUM 82 359 PM 91 1988 67 15 75  
MINIMUM 55 626 AM 30 1974 44 11 50  
AVERAGE 69 56 13 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.03 1981 0.08 -0.07 0.30  
MONTH TO DATE 1.46 1.07 0.39 1.11  
SINCE OCT 1 6.94 7.35 -0.41 8.32  
SINCE JAN 1 4.89 4.81 0.08 5.56  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1942 0.0 0.0 0.0  
MONTH TO DATE T 0.7 -0.7 T  
SINCE MAR 1 18.6 16.4 2.2 21.5  
SINCE JUL 1 56.1 57.2 -1.1 62.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 10 -10 2  
MONTH TO DATE 121 200 -79 200  
SINCE MAR 1 1847 1616 231 1757  
SINCE JUL 1 6920 6551 369 6317  
 
COOLING  
YESTERDAY 4 0 4 0  
MONTH TO DATE 5 0 5 0  
SINCE MAR 1 5 1 4 0  
SINCE JAN 1 5 1 4 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 12.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 300 AM  
LOWEST 28 300 PM  
AVERAGE 54  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 93 1948  
MINIMUM TEMPERATURE (F) 44 32 1942  
 
SUNRISE AND SUNSET  
MAY 17 2023...........SUNRISE 541 AM MDT SUNSET 841 PM MDT  
MAY 18 2023...........SUNRISE 539 AM MDT SUNSET 842 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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