Muskegon Winter Summary

Now that meteorological spring has arrived, the NWS has put out the summaries for
West Michigan for the winter season of December-February.

...THE MUSKEGON MI CLIMATE SUMMARY FOR THE SEASON, FROM   
12/1/2009 TO 2/28/2010...  
  
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1895 TO 2010  
  
WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR'S           
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)        
                                          NORMAL                         
............................................................  
  
TEMPERATURE (F)  
RECORD  
 HIGH              67   02/11/1999                                      
 LOW              -30   02/11/1899                                      
HIGHEST            50   12/01        52      -2       61  12/27         
LOWEST              2   01/30                 3       -4  01/20         
AVG. MAXIMUM     31.8              32.3    -0.5     31.0                
AVG. MINIMUM     22.2              19.3     2.9     18.0                
MEAN             27.0              25.8     1.2     24.5                
DAYS MAX >= 90      0               0.0     0.0        0                
DAYS MAX <= 32     53              44.4     8.6       56                
DAYS MIN <= 32     84              80.9     3.1       86                
DAYS MIN <= 0       0               3.8    -3.8        5                
  
PRECIPITATION (INCHES)  
RECORD  
 MAXIMUM        13.42   2009                                            
 MINIMUM         1.38   2003                                            
TOTALS           6.36              6.44   -0.08    13.42                
DAILY AVG.       0.07              0.07    0.00     0.15                
DAYS >= .01        43              46.5    -3.5       58                
DAYS >= .10        20              25.1    -5.1       29                
DAYS >= .50         2               2.3    -0.3        7                
DAYS >= 1.00        0               0.6    -0.6        2                
GREATEST  
 24 HR. TOTAL    0.69   12/09 TO 12/09                                  
  
SNOWFALL (INCHES)  
RECORDS  
 TOTAL          140.6   1977                                            
TOTALS           73.2              82.0    -8.8    133.0                
SINCE 7/1        73.2                                                   
SNOWDEPTH AVG.      5                 5       0        7                
DAYS >= 1.0        19              22.0    -3.0                         
GREATEST  
 SNOW DEPTH        12   12/28                         22  01/18         
                        12/27                             12/24         
 24 HR TOTAL      8.8   12/26 TO 12/26                                  
  
DEGREE_DAYS  
HEATING TOTAL    3396              3529    -133     3635                
 SINCE 7/1       4705              4999    -294     4975                
COOLING TOTAL       0                 0       0        0                
 SINCE 1/1          0                 0       0        0                
  
FREEZE DATES  
EARLIEST                        10/14                                   
LATEST                          05/04                                    
.............................................................  
  
WIND (MPH)  
AVERAGE WIND SPEED              9.2  
HIGHEST WIND SPEED/DIRECTION    32/220    DATE  01/10  
HIGHEST GUST SPEED/DIRECTION    45/260    DATE  12/10  
  
SKY COVER  
POSSIBLE SUNSHINE (PERCENT)   MM                                        
  
NUMBER OF DAYS FAIR            6  
NUMBER OF DAYS PC             12  
NUMBER OF DAYS CLOUDY         72  
  
AVERAGE RH (PERCENT)     76  
  
WEATHER CONDITIONS. NUMBER OF DAYS WITH   
THUNDERSTORM              0     MIXED PRECIP               2  
HEAVY RAIN                0     RAIN                       2  
LIGHT RAIN                9     FREEZING RAIN              0  
LT FREEZING RAIN          4     HAIL                       0  
HEAVY SNOW                5     SNOW                      18  
LIGHT SNOW               60     SLEET                      1  
FOG                      54     FOG W/VIS <= 1/4 MILE      9  
HAZE                     26                                             
                                                                      
-  INDICATES NEGATIVE NUMBERS.                                        
R  INDICATES RECORD WAS SET OR TIED.                                  
MM INDICATES DATA IS MISSING.                                         
T  INDICATES TRACE AMOUNT.