021  
CDUS45 KBYZ 200937  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
337 AM MDT SAT MAY 20 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 19 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 74 526 PM 92 1992 68 6 59  
2009  
MINIMUM 40 441 AM 29 1997 45 -5 39  
AVERAGE 57 56 1 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.62 1938 0.08 -0.08 0.02  
MONTH TO DATE 1.56 1.31 0.25 1.13  
SINCE OCT 1 7.04 7.59 -0.55 8.34  
SINCE JAN 1 4.99 5.05 -0.06 5.58  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.4 1975 0.0 0.0 0.0  
MONTH TO DATE T 0.8 -0.8 T  
SINCE MAR 1 18.6 16.5 2.1 21.5  
SINCE JUL 1 56.1 57.3 -1.2 62.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 9 -1 16  
MONTH TO DATE 146 228 -82 226  
SINCE MAR 1 1872 1644 228 1783  
SINCE JUL 1 6945 6579 366 6343  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 5 0 5 0  
SINCE MAR 1 5 1 4 0  
SINCE JAN 1 5 1 4 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 400 AM  
LOWEST 32 500 PM  
AVERAGE 59  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 91 1964  
MINIMUM TEMPERATURE (F) 45 32 2003  
2021  
2022  
 
SUNRISE AND SUNSET  
MAY 20 2023...........SUNRISE 537 AM MDT SUNSET 845 PM MDT  
MAY 21 2023...........SUNRISE 536 AM MDT SUNSET 846 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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