213  
CDUS45 KBYZ 220931  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
331 AM MDT MON MAY 22 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 21 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 84 334 PM 91 1980 69 15 52  
MINIMUM 54 619 AM 31 1963 46 8 35  
2021  
AVERAGE 69 57 12 44  
 
PRECIPITATION (IN)  
YESTERDAY T 2.83 1952 0.09 -0.09 0.00  
MONTH TO DATE 1.56 1.48 0.08 1.16  
SINCE OCT 1 7.04 7.76 -0.72 8.37  
SINCE JAN 1 4.99 5.22 -0.23 5.61  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1999 0.0 0.0 0.0  
2016  
2021  
MONTH TO DATE T 0.8 -0.8 T  
SINCE MAR 1 18.6 16.5 2.1 21.5  
SINCE JUL 1 56.1 57.3 -1.2 62.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 8 -8 21  
MONTH TO DATE 146 245 -99 271  
SINCE MAR 1 1872 1661 211 1828  
SINCE JUL 1 6945 6596 349 6388  
 
COOLING  
YESTERDAY 4 1 3 0  
MONTH TO DATE 10 2 8 0  
SINCE MAR 1 10 3 7 0  
SINCE JAN 1 10 3 7 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 500 AM  
LOWEST 26 300 PM  
AVERAGE 53  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 94 1980  
MINIMUM TEMPERATURE (F) 46 31 2021  
 
SUNRISE AND SUNSET  
MAY 22 2023...........SUNRISE 535 AM MDT SUNSET 847 PM MDT  
MAY 23 2023...........SUNRISE 534 AM MDT SUNSET 848 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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