460  
CDUS45 KBYZ 160939  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
339 AM MDT TUE MAY 16 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 15 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 77 635 PM 91 1936 67 10 70  
1987  
MINIMUM 45 413 AM 32 1943 44 1 40  
1945  
AVERAGE 61 55 6 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.10 1955 0.08 -0.08 0.00  
MONTH TO DATE 1.45 0.99 0.46 0.81  
SINCE OCT 1 6.93 7.27 -0.34 8.02  
SINCE JAN 1 4.88 4.73 0.15 5.26  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1990 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 4 10 -6 10  
MONTH TO DATE 121 190 -69 198  
SINCE MAR 1 1847 1606 241 1755  
SINCE JUL 1 6920 6541 379 6315  
 
COOLING  
YESTERDAY 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 14 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 600 AM  
LOWEST 36 600 PM  
AVERAGE 65  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 91 1988  
MINIMUM TEMPERATURE (F) 44 30 1974  
 
SUNRISE AND SUNSET  
MAY 16 2023...........SUNRISE 542 AM MDT SUNSET 840 PM MDT  
MAY 17 2023...........SUNRISE 541 AM MDT SUNSET 841 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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