276  
CDUS45 KBYZ 210940  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
340 AM MDT FRI APR 21 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR APRIL 20 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 42 302 PM 90 1980 58 -16 56  
MINIMUM 26 1136 PM 17 1966 36 -10 30  
AVERAGE 34 47 -13 43  
 
PRECIPITATION (IN)  
YESTERDAY T 0.55 2005 0.06 -0.06 0.00  
MONTH TO DATE 0.71 1.14 -0.43 0.69  
SINCE OCT 1 5.41 5.70 -0.29 5.46  
SINCE JAN 1 3.36 3.16 0.20 2.70  
 
SNOWFALL (IN)  
YESTERDAY T 7.5 2005 0.3 -0.3 0.0  
MONTH TO DATE 1.5 5.9 -4.4 14.8  
SINCE MAR 1 18.4 14.1 4.3 21.2  
SINCE JUL 1 55.9 54.9 1.0 62.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 18 13 22  
MONTH TO DATE 432 409 23 560  
SINCE MAR 1 1551 1248 303 1361  
SINCE JUL 1 6624 6183 441 5921  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 14.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 400 AM  
LOWEST 39 200 PM  
AVERAGE 61  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 89 1980  
MINIMUM TEMPERATURE (F) 36 15 2008  
 
SUNRISE AND SUNSET  
APRIL 21 2023.........SUNRISE 618 AM MDT SUNSET 809 PM MDT  
APRIL 22 2023.........SUNRISE 616 AM MDT SUNSET 810 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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