258  
CDUS45 KBYZ 200931  
CLIMLS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
331 AM MDT TUE MAY 20 2025  
   
...............................  
 
   
..THE MILES CITY MT CLIMATE SUMMARY FOR MAY 19 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1937 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 46 153 AM 94 1992 69 -23 66  
MINIMUM 41 1159 PM 28 1968 44 -3 39  
AVERAGE 44 57 -13 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.47 0.67 2011 0.10 0.37 T  
MONTH TO DATE 0.93 1.55 -0.62 3.45  
SINCE OCT 1 3.81 5.70 -1.89 5.54  
SINCE JAN 1 2.74 4.18 -1.44 4.37  
 
DEGREE DAYS  
HEATING  
YESTERDAY 21 9 12 12  
MONTH TO DATE 141 228 -87 227  
SINCE MAR 1 1441 1755 -314 1687  
SINCE JUL 1 6973 7402 -429 6772  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 28 1 27 0  
SINCE MAR 1 28 2 26 0  
SINCE JAN 1 28 2 26 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 11.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 85 100 PM  
AVERAGE 93  
   
......................................................  
 
THE MILES CITY MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 99 1964  
MINIMUM TEMPERATURE (F) 45 30 2003  
 
SUNRISE AND SUNSET  
MAY 20 2025...........SUNRISE 524 AM MDT SUNSET 837 PM MDT  
MAY 21 2025...........SUNRISE 523 AM MDT SUNSET 838 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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