AFOS product CLIBIL
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CDUS45 KBYZ 200721
CLIBIL


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT                                 
121 AM MDT SUN MAY 20 2018


................................... 

...THE BILLINGS MT CLIMATE SUMMARY FOR MAY 19 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1934 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         55    708 PM  92    2009  68    -13       59       
                                      1992                          
  MINIMUM         41    626 AM  29    1997  45     -4       35       
  AVERAGE         48                        56     -8       47      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.03          1.62 1938   0.07  -0.04     0.00    
  MONTH TO DATE    1.97                      1.29   0.68     1.55    
  SINCE OCT 1     10.74                      7.28   3.46    14.13    
  SINCE JAN 1      7.09                      4.97   2.12     8.57    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.4  1975   0.0    0.0      0.0     
  MONTH TO DATE    0.0                       1.7   -1.7       T      
  SINCE MAR 1     29.2                      20.2    9.0     13.8     
  SINCE JUL 1    106.1                      54.7   51.4     74.1     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       17                         9      8       18       
  MONTH TO DATE  151                       221    -70      179       
  SINCE MAR 1   1801                      1633    168     1411       
  SINCE JUL 1   7198                      6598    600     6496       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    0                         1     -1       13       
  SINCE MAR 1      0                         2     -2       13       
  SINCE JAN 1      0                         2     -2       13       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SE (120)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SE (120)      
  AVERAGE WIND SPEED     8.9                                         

                                                                     
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           100 AM                                     
 LOWEST     66           400 PM                                     
 AVERAGE    83                                                       

..........................................................

                                                                     
THE BILLINGS MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   69        91      1964                    
 MINIMUM TEMPERATURE (F)   45        32      2003                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 20 2018...........SUNRISE   537 AM MDT   SUNSET   845 PM MDT   
MAY 21 2018...........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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