026  
CDUS45 KBYZ 141049  
CLIMLS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
449 AM MDT FRI MAY 14 2021  
   
...............................
 
 
   
..THE MILES CITY MT CLIMATE SUMMARY FOR MAY 13 2021
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1937 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 66 324 PM 97 2001 67 -1 62  
MINIMUM 39 346 AM 17 2004 42 -3 39  
AVERAGE 53 54 -1 51  
 
PRECIPITATION (IN)  
YESTERDAY T 0.88 1962 0.08 -0.08 0.32  
MONTH TO DATE 0.97 0.99 -0.02 1.47  
SINCE OCT 1 3.23 5.14 -1.91 3.46  
SINCE JAN 1 2.08 3.62 -1.54 2.99  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 11 1 14  
MONTH TO DATE 195 169 26 217  
SINCE MAR 1 1606 1696 -90 1819  
SINCE JUL 1 7011 7343 -332 7367  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 2 1 1 0  
SINCE JAN 1 2 1 1 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 4.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 100 AM  
LOWEST 35 200 PM  
AVERAGE 61  
   
......................................................
 
 
THE MILES CITY MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 88 1987  
2012  
MINIMUM TEMPERATURE (F) 42 27 2005  
 
SUNRISE AND SUNSET  
MAY 14 2021...........SUNRISE 531 AM MDT SUNSET 830 PM MDT  
MAY 15 2021...........SUNRISE 530 AM MDT SUNSET 831 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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