416  
CDUS45 KBYZ 140340  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
940 PM MDT TUE APR 13 2021  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR APRIL 13 2021
 
 
VALID AS OF 0900 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1934 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 37 335 PM 80 2017 57 -20 30  
MINIMUM 23 506 AM 15 1986 34 -11 15  
AVERAGE 30 45 -15 23  
 
PRECIPITATION (IN)  
TODAY T 0.49 1969 0.05 -0.05 0.00  
MONTH TO DATE 0.28 0.66 -0.38 0.33  
SINCE OCT 1 5.22 4.99 0.23 4.11  
SINCE JAN 1 2.26 2.68 -0.42 2.17  
 
SNOWFALL (IN)  
TODAY MM 4.4 1991 0.3 MM 0.0  
MONTH TO DATE 0.9 4.2 -3.3 5.3  
SINCE MAR 1 0.9 14.4 -13.5 16.0  
SINCE JUL 1 48.9 48.9 0.0 52.9  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 35 20 15 42  
MONTH TO DATE 232 278 -46 390  
SINCE MAR 1 968 1123 -155 1263  
SINCE JUL 1 5790 6083 -293 6192  
 
COOLING  
TODAY 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 21 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 10.2  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 400 AM  
LOWEST 42 200 PM  
AVERAGE 62  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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