559  
CDUS45 KBYZ 231730  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1130 AM MDT FRI MAY 23 2025  
   
...............................  
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 23 2025  
 
VALID AS OF 1100 AM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 62 959 AM 88 1985 70 -8 50  
MINIMUM 44 338 AM 29 2002 46 -2 37  
AVERAGE 53 58 -5 44  
 
PRECIPITATION (IN)  
TODAY 0.00 2.02 2024 0.09 -0.09 2.02  
MONTH TO DATE 2.47 1.65 0.82 3.71  
SINCE OCT 1 10.97 7.93 3.04 9.44  
SINCE JAN 1 9.67 5.39 4.28 7.05  
 
SNOWFALL (IN)  
TODAY MM 0.1 2002 0.0 MM 0.0  
MONTH TO DATE T 0.8 -0.8 T  
SINCE MAR 1 16.2 16.5 -0.3 9.2  
SINCE JUL 1 64.2 57.3 6.9 35.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 12 8 4 21  
MONTH TO DATE 204 261 -57 290  
SINCE MAR 1 1423 1677 -254 1630  
SINCE JUL 1 6186 6612 -426 6005  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 10 4 6 1  
SINCE MAR 1 10 5 5 1  
SINCE JAN 1 10 5 5 1    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1200 AM  
LOWEST 39 1000 AM  
AVERAGE 65  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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