767  
CDUS45 KBYZ 010331  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
931 PM MDT WED MAY 31 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 31 2023
 
 
VALID AS OF 0900 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 82 148 PM 92 1936 72 10 61  
1940  
2020  
MINIMUM 54 447 AM 32 1951 49 5 45  
1982  
AVERAGE 68 60 8 53  
 
PRECIPITATION (IN)  
TODAY 0.03 0.90 1951 0.09 -0.06 0.00  
MONTH TO DATE 2.87 2.36 0.51 2.08  
SINCE OCT 1 8.35 8.64 -0.29 9.29  
SINCE JAN 1 6.30 6.10 0.20 6.53  
 
SNOWFALL (IN)  
TODAY 0.0 4.0 1951 0.0 0.0 0.0  
MONTH TO DATE T 0.9 -0.9 T  
SINCE MAR 1 18.6 16.6 2.0 21.5  
SINCE JUL 1 56.1 57.4 -1.3 62.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 6 -6 12  
MONTH TO DATE 157 314 -157 362  
SINCE MAR 1 1883 1730 153 1919  
SINCE JUL 1 6956 6665 291 6479  
 
COOLING  
TODAY 3 1 2 0  
MONTH TO DATE 28 14 14 4  
SINCE MAR 1 28 15 13 4  
SINCE JAN 1 28 15 13 4    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 500 AM  
LOWEST 30 300 PM  
AVERAGE 55  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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