477  
CDUS45 KBYZ 150931  
CLIMLS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
331 AM MDT MON MAY 15 2023  
   
...............................
 
 
   
..THE MILES CITY MT CLIMATE SUMMARY FOR MAY 14 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 72 407 PM 88 1987 67 5 66  
2012  
MINIMUM 49 546 AM 27 2005 42 7 37  
AVERAGE 61 55 6 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.41 1941 0.09 -0.07 0.00  
MONTH TO DATE 0.60 1.08 -0.48 0.80  
SINCE OCT 1 3.65 5.23 -1.58 5.58  
SINCE JAN 1 1.97 3.71 -1.74 2.90  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 11 -7 13  
MONTH TO DATE 103 180 -77 169  
SINCE MAR 1 1969 1707 262 1857  
SINCE JUL 1 7775 7354 421 7161  
 
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 17 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 300 AM  
LOWEST 33 400 PM  
AVERAGE 67  
   
......................................................
 
 
THE MILES CITY MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 94 1984  
MINIMUM TEMPERATURE (F) 43 32 1945  
 
SUNRISE AND SUNSET  
MAY 15 2023...........SUNRISE 530 AM MDT SUNSET 830 PM MDT  
MAY 16 2023...........SUNRISE 529 AM MDT SUNSET 832 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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