Annual Summary for Bismarck and Williston


...THE BISMARCK ND CLIMATE SUMMARY FOR THE YEAR OF 2010...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1875 TO 2010

WEATHER         OBSERVED          NORMAL  DEPART                      
                 VALUE   DATE(S)  VALUE   FROM                        
                                          NORMAL                      
................................................
TEMPERATURE (F)
RECORD
 HIGH             114   07/06/1936                                    
 LOW              -45   02/16/1936                                    
                        01/13/1916                                    
HIGHEST           104   08/22        MM      MM                       
LOWEST            -33   01/08        MM      MM                       
MEAN             42.3              42.3     0.0                       

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        30.92   1876                                          
TOTALS          23.18             16.84    6.34                       

SNOWFALL (INCHES)
RECORDS
 TOTAL          101.6   (SEASON 1996-1997)                      
TOTALS           70.2              50.3                               

DEGREE_DAYS
HEATING TOTAL    8643                                                 
COOLING TOTAL     507                                                 
.......................................................
             
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          
$$
FOR BISMARCK 2010 WAS WET AND WINDY.  THE PRECIPITATION FOR THE YEAR
WAS 23.18 INCHES WHICH IS 6.34 INCHES ABOVE NORMAL AND RANKS THE 9TH
WETTEST YEAR ON RECORD.  JUNE AND OCTOBER WERE THE ONLY 2 MONTHS WITH
BELOW AVERAGE PRECIPITATION.
THE STRONGEST WIND GUST WAS 78 MPH ON JUNE 16TH. FEBRUARY AND MARCH
ARE THE ONLY MONTHS WITH WIND GUSTS BELOW 40 MPH. ON OCTOBER 26 THE
WIND GUSTED TO 61 MPH AND THE NEXT DAY GUSTED TO 60 MPH.
THE TEMPERATURE FOR THE YEAR EQUALED THE NORMAL VALUE OF 42.3 DEGREES.
THE HOTTEST DAY THIS YEAR WAS 104 DEGREES ON AUGUST 22. THE COLDEST DAY
WAS 33 BELOW ON JANUARY 8TH.
---------------------------------------------------------------------------------

---------------------------------------------------------------------------------
...THE WILLISTON CLIMATE SUMMARY FOR THE YEAR OF 2010...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1894 TO 2010

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR'S         
                 VALUE   DATE(S)  VALUE   FROM    VALUE               
                                          NORMAL                      
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             110   07/05/1936                                    
 LOW              -50   12/23/1983                                    
                        02/16/1936                                    
HIGHEST            97   08/26        MM      MM                       
                        08/22                                         
LOWEST            -32   01/08        MM      MM                       
AVG. MAXIMUM     52.2                               51.2                  
AVG. MINIMUM     29.6                               26.6                  
MEAN             40.9                40.9    0.00   38.9                             
DAYS MAX >= 90     14                               14                  
DAYS MAX <= 32    106                               93                  
DAYS MIN <= 32    183                              195                   
DAYS MIN <= 0      44                               60                  

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        22.04   1896                                          
 MINIMUM         6.13   1934                                          
TOTALS          21.28               14.16    7.12   13.81              
DAYS >= .01       117                              101                    
DAYS >= .10        51                               38                   
DAYS >= .50        10                                6                  
DAYS >= 1.00        3                                2                 
GREATEST
 24 HR. TOTAL    1.74   05/24-25                     1.40                         

SNOWFALL (INCHES)
RECORDS
 TOTAL           66.2   2003
  (SEASONAL)     94.7   1895-1896                                         
 24 HR TOTAL     15.0   4/13/1986                                            
TOTALS           75.2               43.4    32.2    39.6                   
SINCE 7/1        54.5                               10.2                   
DAYS >= TRACE      77                               82                   
GREATEST
 24 HR TOTAL     14.4   12/10-11                     5.4                      

DEGREE_DAYS
HEATING TOTAL    9033              9044     -11    9688                    
 SINCE 7/1       3747              3758     -11    3739
COOLING TOTAL     388               463     -75     296                  
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.9
HIGHEST WIND SPEED/DIRECTION    49/010    DATE  05/24
HIGHEST GUST SPEED/DIRECTION    63/260    DATE  07/12


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

&&

...2010 WAS AVERAGE IN TEMPERATURE AND MUCH WETTER THAN NORMAL...

WILLISTON'S AVERAGE ANNUAL TEMPERATURE FOR 2010 WAS 40.9
DEGREES...WHICH WAS EQUAL TO THE AVERAGE ANNUAL TEMPERATURE. THE
COLDEST MONTH WAS DECEMBER WITH AN AVERAGE TEMPERATURE OF 9.7
DEGREES. THE WARMEST MONTH WAS JULY WITH AN AVERAGE TEMPERATURE OF
69.5 DEGREES. THERE WERE 7 MONTHS WHERE THE AVERAGE TEMPERATURE WAS
ABOVE NORMAL...JANUARY...MARCH...APRIL...JULY...AUGUST...OCTOBER AND
NOVEMBER. THERE WERE 5 MONTHS WHERE THE AVERAGE TEMPERATURE WAS
BELOW NORMAL...FEBRUARY...MAY...JUNE...SEPTEMBER...AND DECEMBER.
FEBRUARY WAS THE ONLY MONTH THAT WAS SIGNIFICANTLY BELOW
NORMAL...WITH AN AVERAGE OF 10.1 DEGREES...WHICH WAS 6.7 DEGREES
BELOW NORMAL. THERE WAS ONLY ONE TEMPERATURE RECORD SET DURING THE
YEAR...WHEN A RECORD LOW OF 23 OCCURRED ON SEPTEMBER 18...BREAKING
THE OLD RECORD OF 28 SET IN 1991.  

TOTAL PRECIPITATION FOR 2010 WAS 21.28 INCHES...WHICH WAS 7.12
INCHES ABOVE THE NORMAL OF 14.16 INCHES...AND MADE 2010 THE THIRD
WETTEST YEAR ON RECORD. THE WETTEST MONTH OF THE YEAR WAS MAY WITH
3.94 INCHES...WHICH WAS 2.06 INCHES ABOVE THE NORMAL OF 1.88
INCHES...AND MADE THAT MONTH THE 9TH WETTEST MAY ON RECORD. THERE
WAS 1.95 INCHES OF PRECIPITATION IN DECEMBER...WHICH WAS 1.38 INCHES
ABOVE NORMAL...MAKING THAT MONTH THE SECOND WETTEST DECEMBER ON
RECORD. THE DRIEST MONTH WAS FEBRUARY WHEN ONLY 0.30 INCHES OF
PRECIPITATION FELL WHICH WAS ONLY 0.09 INCHES BELOW NORMAL. NINE
MONTHS RECORDED PRECIPITATION THAT WAS ABOVE NORMAL...WHICH WAS
JANUARY...MAY...JUNE...JULY...AUGUST...SEPTEMBER...OCTOBER...NOVEMBER
AND DECEMBER. ONLY 3 MONTHS WERE DRIER THAN
NORMAL...FEBRUARY...MARCH AND APRIL. SNOWFALL IN NOVEMBER REACHED
15.1 INCHES...WHICH WAS 8.4 INCHES ABOVE THE NORMAL SNOWFALL OF 6.7
INCHES. SNOWFALL FOR DECEMBER REACHED A TOTAL OF 35.3 INCHES...WHICH
WAS 27.1 INCHES ABOVE NORMAL. THIS BROKE THE OLD RECORD FOR SNOWIEST
DECEMBER...WHICH WAS 32.0 INCHES SET IN 2008. SNOWFALL FOR THE
2009-2010 WINTER SEASON WAS 31.3 INCHES...12.1 INCHES BELOW THE
NORMAL OF 43.4 INCHES.

OTHER WEATHER TOTALS FOR THE YEAR...

.HIGHEST PRESSURE...30.85...FEBRUARY 28.
.LOWEST PRESSURE...29.11...APRIL 28.




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