296  
CDUS45 KBYZ 230940  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
340 AM MDT FRI MAY 23 2025  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 22 2025
 
 
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)  
YESTERDAY  
MAXIMUM 70 1251 PM 94 1980 69 1 66  
MINIMUM 41 417 AM 31 2021 46 -5 48  
AVERAGE 56 58 -2 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.62 2007 0.08 -0.07 T  
MONTH TO DATE 2.47 1.56 0.91 1.69  
SINCE OCT 1 10.97 7.84 3.13 7.42  
SINCE JAN 1 9.67 5.30 4.37 5.03  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1966 0.0 0.0 0.0  
2002  
2007  
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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 8 1 8  
MONTH TO DATE 192 253 -61 269  
SINCE MAR 1 1411 1669 -258 1609  
SINCE JUL 1 6174 6604 -430 5984  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 10 3 7 1  
SINCE MAR 1 10 4 6 1  
SINCE JAN 1 10 4 6 1    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 1100 PM  
LOWEST 31 200 PM  
AVERAGE 59  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 88 1985  
MINIMUM TEMPERATURE (F) 46 29 2002  
 
SUNRISE AND SUNSET  
MAY 23 2025...........SUNRISE 534 AM MDT SUNSET 848 PM MDT  
MAY 24 2025...........SUNRISE 533 AM MDT SUNSET 850 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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