CDUS45 KBYZ 181731
CLIBIL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BILLINGS MT
1131 AM MDT MON MAY 18 2026

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

...THE BILLINGS MT CLIMATE SUMMARY FOR MAY 18 2026...
VALID AS OF 1100 AM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1934 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         40    959 AM  94    1948  68    -28       57       
  MINIMUM         36    152 AM  32    1942  45     -9       46       
                                      2019                           
  AVERAGE         38                        56    -18       52     

PRECIPITATION (IN)                                                    
  TODAY            T             2.34 1978   0.08  -0.08     0.83     
  MONTH TO DATE    0.09                      1.23  -1.14     2.31     
  SINCE OCT 1      6.31                      7.51  -1.20    10.81     
  SINCE JAN 1      2.43                      4.97  -2.54     9.51     

SNOWFALL (IN)                                                              
  TODAY            T             1.0  1950   0.1   -0.1      0.0      
  MONTH TO DATE    T                         0.8   -0.8       T       
  SINCE MAR 1     16.6                      16.5    0.1     16.2      
  SINCE JUL 1     40.9                      57.3  -16.4     64.2      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY           27                         9     18       13        
  MONTH TO DATE  163                       219    -56      145        
  SINCE MAR 1   1369                      1635   -266     1364        
  SINCE JUL 1   5193                      6570  -1377     6127        

 COOLING                                                              
  TODAY            0                         0      0        0        
  MONTH TO DATE   10                         0     10       10        
  SINCE MAR 1     12                         1     11       10        
  SINCE JAN 1     12                         1     11       10        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     N (10)        
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     N (10)        
  AVERAGE WIND SPEED     9.6                                        


SKY COVER                                                             
  AVERAGE SKY COVER 1.0                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED TODAY.                             
  LIGHT RAIN                                                          
  LIGHT SNOW                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78           300 AM                                      
 LOWEST     57          1000 AM                                      
 AVERAGE    68                                                        



-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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