159  
CDUS45 KBYZ 152231  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
431 PM MDT MON MAY 15 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 15 2023
 
 
VALID TODAY AS OF 0400 PM 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 74 259 PM 91 1936 67 7 70  
1987  
MINIMUM 45 413 AM 32 1943 44 1 40  
1945  
AVERAGE 60 55 5 55  
 
PRECIPITATION (IN)  
TODAY 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)  
TODAY 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  
TODAY 5 10 -5 10  
MONTH TO DATE 122 190 -68 198  
SINCE MAR 1 1848 1606 242 1755  
SINCE JUL 1 6921 6541 380 6315  
 
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 14 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 600 AM  
LOWEST 43 300 PM  
AVERAGE 68  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 91 1988  
MINIMUM TEMPERATURE (F) 44 30 1974  
 
SUNRISE AND SUNSET  
MAY 15 2023...........SUNRISE 543 AM MDT SUNSET 839 PM MDT  
MAY 16 2023...........SUNRISE 542 AM MDT SUNSET 840 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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