Climatological Report (Annual)
Issued by NWS Billings, MT

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 
000

CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT                                 
214 PM MST MON JAN 5 2009

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

...THE BILLINGS MT CLIMATE SUMMARY FOR THE YEAR OF 2008...

...THE FOLLOWING IS A PRELIMINARY SUMMARY AND MAY BE SUBJECT TO CHANGE...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1934 TO 2009

WEATHER         OBSERVED          NORMAL  DEPART                      
                 VALUE   DATE(S)  VALUE   FROM                        
                                          NORMAL                      
................................................
TEMPERATURE (F)
RECORD
 HIGH             108   07/14/2002                                    
 LOW              -38   02/15/1936                                    
HIGHEST           103   08/25                                         
LOWEST            -19   12/15                                         
AVG. MAXIMUM     59.2              58.4     0.8                       
AVG. MINIMUM     36.1              36.3    -0.2                       
MEAN             47.7              47.4     0.3                       
DAYS MAX >= 90     25                      -4.0                       
DAYS MAX <= 32     34                     -11.0                       
DAYS MIN <= 32    150                       2.0                       
DAYS MIN <= 0      17                      -2.0                       

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        26.81   1978                                          
 MINIMUM         7.90   1948                                          
TOTALS          13.89             14.77   -0.88                       
DAYS >= .01        87                       7.0                       
DAYS >= .10        37                       4.0                       
DAYS >= .50         8                       4.0                       
DAYS >= 1.00        1                       0.0                       
GREATEST
 24 HR. TOTAL    1.69   5/22 TO 5/23                                                   

SNOWFALL (INCHES)
RECORDS
 TOTAL          127.9   1955                                          
TOTALS           56.0              59.0    -3.0                       
DAYS >= TRACE      70              70.0     0.0                       
DAYS >= 1.0        18              18.0     0.0                       
GREATEST
 SNOW DEPTH        10   12/28                                         
                        12/27                                         
                        12/26                                         
 24 HR TOTAL      4.9   1/19 TO 1/20                                                   

DEGREE_DAYS
HEATING TOTAL    6908              7006     -98                       
 SINCE 7/1       2819              2872     -53                       
COOLING TOTAL     660               583      77                       

FREEZE DATES
RECORD
 EARLIEST     09/04/1962                                              
 LATEST       06/13/1969                                              
EARLIEST        10/9               10/01                                 
LATEST           5/3               05/04                                 
.................................................

WIND (MPH)
AVERAGE WIND SPEED              10.8
RESULTANT WIND SPEED/DIRECTION   5/269
HIGHEST WIND SPEED/DIRECTION    49/310    DATE  12/29
HIGHEST GUST SPEED/DIRECTION    61/310    DATE  12/29


WEATHER CONDITIONS. NUMBER OF DAYS WITH 
THUNDERSTORM             30     MIXED PRECIP               3
HEAVY RAIN               10     RAIN                      20
LIGHT RAIN               86     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       7
HEAVY SNOW                5     SNOW                      25
LIGHT SNOW               55     SLEET                      1
FOG                      95     FOG W/VIS <= 1/4 MILE     23
HAZE                     27                                           
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.
USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.