Sure Tony...I have from 1993 handy...earlier records are at other house so will post them at a later date...
90+ days...
1993 31 days
1994 22
1995 31
1996 12
1997 17
1998 16
1999 33
2000 14
2001 18
2002 37
2003 16
2004 10
2005 31
2006 22
2007 17
2008 16
2009 10
2010 44
2011 24
2012 26
2013 22
2014 11
That's about a 22 day a year average...longer term average is closer to 20.