266  
CDUS45 KBYZ 090940  
CLIMLS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
340 AM MDT TUE MAY 09 2023  
   
...............................
 
 
   
..THE MILES CITY MT CLIMATE SUMMARY FOR MAY 8 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 70 242 PM 90 1987 65 5 61  
MINIMUM 43 513 AM 18 1945 40 3 40  
AVERAGE 57 53 4 51  
 
PRECIPITATION (IN)  
YESTERDAY T 1.10 1986 0.07 -0.07 0.05  
MONTH TO DATE 0.12 0.58 -0.46 0.05  
SINCE OCT 1 3.17 4.73 -1.56 4.83  
SINCE JAN 1 1.49 3.21 -1.72 2.15  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 13 -5 14  
MONTH TO DATE 52 111 -59 83  
SINCE MAR 1 1918 1638 280 1771  
SINCE JUL 1 7724 7285 439 7075  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 0  
SINCE MAR 1 3 1 2 0  
SINCE JAN 1 3 1 2 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 AM  
LOWEST 21 500 PM  
AVERAGE 61  
   
......................................................
 
 
THE MILES CITY MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 89 1987  
MINIMUM TEMPERATURE (F) 40 26 2019  
 
SUNRISE AND SUNSET  
MAY 9 2023...........SUNRISE 538 AM MDT SUNSET 823 PM MDT  
MAY 10 2023...........SUNRISE 537 AM MDT SUNSET 824 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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