Michigan State Climatologist’s Office

Monthly & annual cooling degree days-base 65 F (Gamma)

Climate Office







                                                              BIG BAY 3 SE                                                          
       DIVISION: 1                                          STATION #0770                                         DATE OF RUN
       COUNTY: MARQUETTE                   PERIOD ANALYSIS FOR 1981 -1998  ( 16 YEARS)                             11/17/04 
                                                      COOLING DEGREE-DAYS (65 F)                                                      

           YEAR             JAN     FEB     MAR     APR     MAY     JUN     JUL     AUG     SEP     OCT     NOV     DEC    ANNUAL        

           1981               0       0       0       0       1      27     111      51       1       0       0       0       191
           1982               0       0       0       1      10       3     101      28      32       0       0       0       175
           1983               0       0       0       0       0     107     216     148      58       2       0       0       531
           1984               0       0       0       0      11      57      90     103       6       0       0       0       267

           1986               0       0       0       4      34      59     150      63       3       0       0       0       313
           1987               0       0       0      13      44      73     162     102      13       0       0       0       407
           1988               0       0       0       0      17     143     201     117      10       3       0       0       491
           1989               0       0       0       0       8      28     138      97      38       9       0       0       318
           1990               0       0       0      14       0      25     999     101      16       0       0       0       255
           1991               0       0       0       0      24      66      78     159      18       0       0       0       345
           1992               0       0       0       0      62      28      12      58       8       0       0       0       168

           1994               0       0       0       0       3      30      42      50      32       0       0       0       157
           1995               0       0       0       0       5     122     112     143      21       8       0       0       411
           1996               0       0       0       0       5      35      29      74      50       0       0       0       193
           1997               0       0       0       0       0      49      62      46       2       8       0       0       167
           1998               0       0       0       0      20      36      88      90      33       0       0       0       267

           NON-ZERO           0       0       0       4      13      16      16      16      16       5       0       0        16          
           ZEROES            16      16      16      12       3       0       0       0       0      11      16      16         0          
           PROB OF ZERO    1.00    1.00    1.00     .75     .19     .00     .00     .00     .00     .69    1.00    1.00       .00          
             NOTE:  STATISTICS ARE COMPUTED ON THE NON-ZERO VALUES                                                                         
           NUMBER YEARS      16      16      16      16      16      16      16      16      16      16      16      16        16          
           MEAN              .0      .0      .0     8.0    18.8    55.5   161.9    89.4    21.3     6.0      .0      .0     291.0          
           VARIANCE          .0      .0      .0    42.0   330.5  1511.1 53123.5  1536.7   305.4    10.5      .0      .0   14236.9          
           STND DEV          .0      .0      .0     6.5    18.2    38.9   230.5    39.2    17.5     3.2      .0      .0     119.3          
           SKEW              .0      .0      .0     -.1     1.2     1.0     3.2      .3      .7     -.4      .0      .0        .6          
           KURTOSIS          .0      .0      .0     1.2     3.5     3.0    12.4     2.0     2.4     1.3      .0      .0       2.3          


          NOTE:   A MISSING OR INCOMPLETE VALUE, INDICATED BY THE FIELD BEING FILLED WITH 9s, IS NOT INCLUDED IN THE ANALYSIS.






                                                              BIG BAY 3 SE                                                          
       DIVISION: 1                                          STATION #0770                                         DATE OF RUN
       COUNTY: MARQUETTE                   PERIOD ANALYSIS FOR 1981 -1998  ( 16 YEARS)                             11/17/04 
                                                 COOLING DEGREE-DAYS (65 F) STATISTICS                                           

        PARAMETER        JAN     FEB     MAR     APR     MAY     JUN     JUL     AUG     SEP     OCT     NOV     DEC    ANNUAL        
        NUMBER YEARS      16      16      16      16      16      16      16      16      16      16      16      16        16          
        MEAN              .0      .0      .0     8.0    18.8    55.5   161.9    89.4    21.3     6.0      .0      .0     291.0          
        VARIANCE          .0      .0      .0    42.0   330.5  1511.1 53123.5  1536.7   305.4    10.5      .0      .0   14236.9          
        STND DEV          .0      .0      .0     6.5    18.2    38.9   230.5    39.2    17.5     3.2      .0      .0     119.3          
        SKEW              .0      .0      .0     -.1     1.2     1.0     3.2      .3      .7     -.4      .0      .0        .6          
        KURTOSIS          .0      .0      .0     1.2     3.5     3.0    12.4     2.0     2.4     1.3      .0      .0       2.3          

        GAMMA           .000    .000    .000 999.000   1.126   1.923 999.000   5.061   1.182 999.000    .000    .000     6.672          
        BETA            .000    .000    .000 999.000  16.669  28.855 999.000  17.658  18.035 999.000    .000    .000    43.617          

        PROB OF ZERO    1.00    1.00    1.00     .75     .19     .00     .00     .00     .00     .69    1.00    1.00       .00          
           LEVELS                                           PROBABILITY PERCENTILE VALUES

        01                 0       0       0       0       0       4      12      23       0       0       0       0        94               
        05                 0       0       0       0       0       9      12      35       2       0       0       0       134               
        10                 0       0       0       0       0      14      22      44       3       0       0       0       159               
        20                 0       0       0       0       0      22      46      55       6       0       0       0       194               
        25                 0       0       0       0       2      26      62      60       7       0       0       0       209               
        30                 0       0       0       0       3      30      75      65       9       0       0       0       223               
        40                 0       0       0       0       6      38      89      74      12       0       0       0       250               
        50                 0       0       0       0      10      46     101      84      16       0       0       0       277               
        60                 0       0       0       0      14      56     112      94      20       0       0       0       305               
        70                 0       0       0       0      19      68     140     105      26       0       0       0       338               
        75                 0       0       0       0      22      75     150     112      29       2       0       0       357               
        80                 0       0       0       1      26      83     160     120      34       3       0       0       379               
        90                 0       0       0       8      38     108     207     143      47       8       0       0       441               
        95                 0       0       0      13      50     132     373     163      60       8       0       0       497               
        99                 0       0       0      14      78     181     874     207      90       9       0       0       611