363  
CDUS45 KBYZ 190931  
CLIMLS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
331 AM MDT FRI MAY 19 2023  
   
...............................
 
 
   
..THE MILES CITY MT CLIMATE SUMMARY FOR MAY 18 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 61 302 PM 98 1948 69 -8 69  
MINIMUM 39 1156 PM 30 2015 44 -5 46  
AVERAGE 50 56 -6 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.32 2013 0.10 -0.10 T  
MONTH TO DATE 0.62 1.45 -0.83 0.80  
SINCE OCT 1 3.67 5.60 -1.93 5.58  
SINCE JAN 1 1.99 4.08 -2.09 2.90  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 9 6 7  
MONTH TO DATE 132 219 -87 187  
SINCE MAR 1 1998 1746 252 1875  
SINCE JUL 1 7804 7393 411 7179  
 
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 21 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 500 AM  
LOWEST 39 300 PM  
AVERAGE 66  
   
......................................................
 
 
THE MILES CITY MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 94 1992  
MINIMUM TEMPERATURE (F) 44 28 1968  
 
SUNRISE AND SUNSET  
MAY 19 2023...........SUNRISE 526 AM MDT SUNSET 835 PM MDT  
MAY 20 2023...........SUNRISE 525 AM MDT SUNSET 836 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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