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The hellmann score is the total amount of frost a location gets in a winter season. Every day with an avergage temp below 0,0 C adds to the score. For example: a day with an avg temp of -1,5 adds 1,5 points to the score.
Maybe the hellmann score is unknown in Finland or other countries.
For kicks and giggles, Helmintoller's Hellmann scores.
Winter 1989-1990: 2616.11 on 136 days. Every day from November 14 - March 17, excluding January 28, averaged below 0. The first day was October 5, 1989 and the last was April 8, 1990.
Winter 1990-1991: 2726.39 on 167 days. Every day from November 27 - April 12, excluding December 11, averaged below 0. The first day was October 18, 1990 and the last was April 25, 1991.
Winter 1991-1992: 2700.83 on 157 days. Every day from December 6 - February 28, excluding December 25, averaged below 0. The first day was October 1, 1991 and the last was April 2, 1992.
Winter 1992-1993: 2845.56 on 146 days. Every day from November 8 - March 22 averaged below 0. The first day was October 31, 1992 and the last was April 14, 1993.
Winter 1993-1994: 1968.89 on 133 days. Every day from January 31 - March 21, excluding March 13, averaged below 0. The first day was October 13, 1993 and the last was April 21, 1994.
Winter 1994-1995: 2473.89 on 142 days. Every day from November 27 - March 16 averaged below 0. The first day was October 28, 1994 and the last was April 14, 1995.
Winter 1995-1996: 3010.83 on 163 days. Every day from November 3 - March 13, excluding January 13-14, averaged below 0. The first day was October 10, 1995 and the last was May 4, 1996.
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