619  
CDUS45 KBYZ 180937  
CLIMLS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
337 AM MDT THU MAY 18 2023  
   
...............................
 
 
   
..THE MILES CITY MT CLIMATE SUMMARY FOR MAY 17 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1937 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 65 340 PM 92 1972 69 -4 75  
MINIMUM 44 1159 PM 31 2002 43 1 51  
AVERAGE 55 56 -1 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 2.30 1978 0.09 -0.07 0.00  
MONTH TO DATE 0.62 1.35 -0.73 0.80  
SINCE OCT 1 3.67 5.50 -1.83 5.58  
SINCE JAN 1 1.99 3.98 -1.99 2.90  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 10 0 2  
MONTH TO DATE 117 210 -93 180  
SINCE MAR 1 1983 1737 246 1868  
SINCE JUL 1 7789 7384 405 7172  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 4 0 4 0  
SINCE MAR 1 6 1 5 0  
SINCE JAN 1 6 1 5 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 11.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 200 AM  
LOWEST 28 300 PM  
AVERAGE 53  
   
......................................................
 
 
THE MILES CITY MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 98 1948  
MINIMUM TEMPERATURE (F) 44 30 2015  
 
SUNRISE AND SUNSET  
MAY 18 2023...........SUNRISE 527 AM MDT SUNSET 834 PM MDT  
MAY 19 2023...........SUNRISE 526 AM MDT SUNSET 835 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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