765  
CDUS45 KBYZ 182231  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
431 PM MDT THU MAY 18 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 18 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 68 105 PM 94 1948 68 0 69  
MINIMUM 45 509 AM 32 1942 45 0 46  
2019  
AVERAGE 57 56 1 58  
 
PRECIPITATION (IN)  
TODAY 0.00 2.34 1978 0.08 -0.08 0.00  
MONTH TO DATE 1.56 1.23 0.33 1.11  
SINCE OCT 1 7.04 7.51 -0.47 8.32  
SINCE JAN 1 4.99 4.97 0.02 5.56  
 
SNOWFALL (IN)  
TODAY MM 1.0 1950 0.1 MM 0.0  
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 MM  
 
DEGREE DAYS  
HEATING  
TODAY 8 9 -1 7  
MONTH TO DATE 138 219 -81 210  
SINCE MAR 1 1864 1635 229 1767  
SINCE JUL 1 6937 6570 367 6327  
 
COOLING  
TODAY 0 0 0 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 16 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 300 AM  
LOWEST 36 100 PM  
AVERAGE 65  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 92 1992  
2009  
MINIMUM TEMPERATURE (F) 45 29 1997  
 
SUNRISE AND SUNSET  
MAY 18 2023...........SUNRISE 539 AM MDT SUNSET 842 PM MDT  
MAY 19 2023...........SUNRISE 538 AM MDT SUNSET 844 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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