Growing Season Summary
                   Station: ( 94230) HELEN                    
                Years:  1956 To 1998    Missing Data:  18.0%

Base   Date of Last Spring Occurrence          Date of First Fall Occurrence
Temp  Median  Early   90%    10%    Late    Median  Early   10%    90%    Late
 32     4/22   1/31   4/03   5/10   5/27     10/21   9/30  10/03  11/08  11/13 
 28     4/05   1/31   3/12   4/14   5/02     11/01  10/03  10/21  11/14  11/18 
 24     3/17   1/26   2/19   3/31   4/12     11/15  10/21  10/28  12/07  12/20 
 20     2/23   1/02   2/02   3/22   3/31     11/28  10/27  11/07  12/19  12/26 
 16     2/13   1/01   1/18   3/15   3/21     12/11  11/15  11/24  12/25  12/31 


Base           Length of Season (Days)
Temp   Median  Shortest    10%      90%   Longest
 32      183      141      153      206      242
 28      211      176      186      238      255
 24      250      211      223      276      287
 20      276      230      244      302      306
 16      298      253      260      328      335