277  
CDUS45 KBYZ 210940  
CLIMLS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
340 AM MDT FRI APR 21 2023  
   
...............................
 
 
   
..THE MILES CITY MT CLIMATE SUMMARY FOR APRIL 20 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 34 352 PM 90 1980 59 -25 55  
MINIMUM 26 505 AM 19 1966 34 -8 27  
AVERAGE 30 47 -17 41  
 
PRECIPITATION (IN)  
YESTERDAY T 0.75 1973 0.05 -0.05 0.00  
MONTH TO DATE 0.95 0.91 0.04 0.52  
SINCE OCT 1 3.05 3.52 -0.47 3.59  
SINCE JAN 1 1.37 2.00 -0.63 0.91  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 18 17 24  
MONTH TO DATE 438 419 19 577  
SINCE MAR 1 1665 1360 305 1483  
SINCE JUL 1 7471 7007 464 6787  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 2 0 2 0  
SINCE MAR 1 2 0 2 0  
SINCE JAN 1 2 0 2 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 22.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 1200 AM  
LOWEST 58 100 PM  
AVERAGE 70  
   
......................................................
 
 
THE MILES CITY MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 92 1980  
MINIMUM TEMPERATURE (F) 34 12 2008  
 
SUNRISE AND SUNSET  
APRIL 21 2023.........SUNRISE 606 AM MDT SUNSET 759 PM MDT  
APRIL 22 2023.........SUNRISE 604 AM MDT SUNSET 801 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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