507  
CDUS45 KBYZ 201740  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1140 AM MDT SAT MAY 20 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 20 2023
 
 
VALID AS OF 1100 AM 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 76 959 AM 91 1964 69 7 50  
MINIMUM 48 453 AM 32 2003 45 3 32  
2021  
2022  
AVERAGE 62 57 5 41  
 
PRECIPITATION (IN)  
TODAY 0.00 1.33 2011 0.08 -0.08 0.03  
MONTH TO DATE 1.56 1.39 0.17 1.16  
SINCE OCT 1 7.04 7.67 -0.63 8.37  
SINCE JAN 1 4.99 5.13 -0.14 5.61  
 
SNOWFALL (IN)  
TODAY MM 0.4 1987 0.0 MM T  
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 3 9 -6 24  
MONTH TO DATE 149 237 -88 250  
SINCE MAR 1 1875 1653 222 1807  
SINCE JUL 1 6948 6588 360 6367  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 5 1 4 0  
SINCE MAR 1 5 2 3 0  
SINCE JAN 1 5 2 3 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 10.6  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 500 AM  
LOWEST 32 1000 AM  
AVERAGE 58  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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