534  
CDUS45 KBYZ 150931  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
331 AM MDT MON MAY 15 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 14 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 61 526 PM 96 1936 66 -5 65  
MINIMUM 47 704 AM 28 1953 43 4 36  
AVERAGE 54 55 -1 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 1.23 1976 0.08 -0.04 T  
MONTH TO DATE 1.45 0.91 0.54 0.81  
SINCE OCT 1 6.93 7.19 -0.26 8.02  
SINCE JAN 1 4.88 4.65 0.23 5.26  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1945 0.1 -0.1 0.0  
MONTH TO DATE T 0.7 -0.7 T  
SINCE MAR 1 18.6 16.4 2.2 21.5  
SINCE JUL 1 56.1 57.2 -1.1 62.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 11 0 14  
MONTH TO DATE 117 180 -63 188  
SINCE MAR 1 1843 1596 247 1745  
SINCE JUL 1 6916 6531 385 6305  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 0  
SINCE MAR 1 1 1 0 0  
SINCE JAN 1 1 1 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 10.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 67 500 PM  
AVERAGE 84  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 91 1936  
1987  
MINIMUM TEMPERATURE (F) 44 32 1943  
1945  
 
SUNRISE AND SUNSET  
MAY 15 2023...........SUNRISE 543 AM MDT SUNSET 839 PM MDT  
MAY 16 2023...........SUNRISE 542 AM MDT SUNSET 840 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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