336  
CDUS45 KBYZ 181730  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1130 AM MDT THU MAY 18 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 18 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 61 959 AM 94 1948 68 -7 69  
MINIMUM 45 509 AM 32 1942 45 0 46  
2019  
AVERAGE 53 56 -3 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 12 9 3 7  
MONTH TO DATE 142 219 -77 210  
SINCE MAR 1 1868 1635 233 1767  
SINCE JUL 1 6941 6570 371 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 9 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 300 AM  
LOWEST 51 1000 AM  
AVERAGE 72  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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