| 表4 水温とイトウの釣果 | |||||||||||||||||||||||||||
| 水温℃ | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 総計 |
| 1994 | 0 | 0 | 2 | 0 | 0 | 3 | 6 | 1 | 4 | 2 | 4 | 1 | 1 | 1 | 3 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 32 |
| 1995 | 0 | 0 | 4 | 1 | 3 | 4 | 2 | 0 | 1 | 2 | 5 | 9 | 13 | 11 | 7 | 5 | 7 | 0 | 2 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 79 |
| 1996 | 4 | 3 | 1 | 0 | 1 | 6 | 0 | 2 | 0 | 5 | 3 | 7 | 2 | 2 | 8 | 11 | 7 | 5 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 69 |
| 1997 | 1 | 2 | 2 | 0 | 10 | 3 | 1 | 7 | 4 | 5 | 4 | 7 | 6 | 15 | 6 | 10 | 3 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 93 |
| 1998 | 1 | 1 | 0 | 0 | 0 | 1 | 4 | 3 | 4 | 2 | 2 | 9 | 10 | 11 | 12 | 6 | 0 | 13 | 0 | 5 | 9 | 1 | 0 | 0 | 0 | 0 | 94 |
| 1999 | 0 | 0 | 0 | 1 | 0 | 3 | 2 | 0 | 3 | 1 | 7 | 10 | 5 | 11 | 9 | 9 | 14 | 2 | 5 | 1 | 1 | 3 | 1 | 0 | 0 | 0 | 88 |
| 2000 | 4 | 1 | 0 | 2 | 2 | 0 | 3 | 0 | 0 | 0 | 7 | 4 | 14 | 6 | 5 | 22 | 13 | 6 | 10 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 104 |
| 2001 | 0 | 0 | 0 | 1 | 5 | 1 | 0 | 2 | 1 | 0 | 7 | 2 | 1 | 13 | 11 | 8 | 13 | 3 | 13 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 85 |
| 2002 | 0 | 0 | 3 | 0 | 1 | 0 | 2 | 3 | 3 | 3 | 2 | 11 | 9 | 13 | 13 | 16 | 8 | 7 | 3 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 100 |
| 2003 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 5 | 0 | 7 | 5 | 2 | 1 | 12 | 1 | 15 | 11 | 22 | 9 | 9 | 3 | 0 | 3 | 0 | 0 | 0 | 108 |
| 2004 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 2 | 7 | 2 | 6 | 11 | 15 | 9 | 17 | 11 | 4 | 4 | 4 | 0 | 3 | 0 | 0 | 0 | 99 |
| 2005 | 0 | 0 | 1 | 0 | 3 | 0 | 0 | 0 | 2 | 1 | 5 | 7 | 2 | 3 | 3 | 9 | 5 | 4 | 6 | 3 | 4 | 0 | 2 | 5 | 0 | 0 | 65 |
| 2006 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 3 | 2 | 2 | 3 | 10 | 4 | 7 | 8 | 4 | 10 | 1 | 0 | 0 | 0 | 0 | 58 |
| 2007 | 2 | 0 | 1 | 0 | 1 | 0 | 2 | 0 | 5 | 4 | 3 | 1 | 3 | 0 | 9 | 6 | 9 | 15 | 8 | 4 | 7 | 2 | 1 | 0 | 0 | 0 | 83 |
| 2008 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 5 | 7 | 5 | 10 | 4 | 11 | 9 | 8 | 3 | 10 | 10 | 5 | 0 | 0 | 0 | 0 | 0 | 93 |
| 2009 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 2 | 0 | 6 | 2 | 13 | 9 | 8 | 6 | 7 | 5 | 4 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 69 |
| 2010 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 1 | 6 | 1 | 6 | 5 | 1 | 1 | 5 | 7 | 9 | 7 | 5 | 4 | 6 | 0 | 0 | 0 | 0 | 68 |
| 2011 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 3 | 6 | 4 | 5 | 4 | 11 | 8 | 4 | 6 | 6 | 9 | 7 | 2 | 9 | 4 | 2 | 0 | 0 | 0 | 94 |
| 2012 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 3 | 4 | 3 | 1 | 8 | 9 | 16 | 8 | 12 | 5 | 19 | 14 | 10 | 3 | 1 | 0 | 0 | 0 | 0 | 120 |
| 2013 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 6 | 3 | 4 | 2 | 4 | 6 | 12 | 17 | 22 | 3 | 8 | 6 | 10 | 5 | 2 | 3 | 0 | 0 | 117 |
| 2014 | 0 | 0 | 2 | 2 | 1 | 0 | 1 | 1 | 1 | 2 | 6 | 9 | 8 | 6 | 9 | 18 | 10 | 11 | 9 | 6 | 1 | 3 | 3 | 1 | 1 | 0 | 111 |
| 2015 | 0 | 1 | 2 | 0 | 0 | 1 | 2 | 4 | 1 | 13 | 12 | 10 | 6 | 9 | 6 | 9 | 5 | 13 | 3 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 101 |
| 2016 | 0 | 0 | 1 | 2 | 0 | 1 | 1 | 2 | 1 | 4 | 4 | 6 | 8 | 9 | 10 | 12 | 5 | 10 | 6 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 85 |
| 2017 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 6 | 3 | 5 | 2 | 8 | 10 | 8 | 14 | 16 | 7 | 4 | 1 | 0 | 0 | 4 | 2 | 1 | 0 | 1 | 95 |
| 2018 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 3 | 11 | 8 | 4 | 5 | 14 | 10 | 8 | 11 | 9 | 5 | 2 | 4 | 0 | 2 | 0 | 1 | 1 | 0 | 102 |
| 2019 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 5 | 4 | 2 | 6 | 6 | 6 | 13 | 7 | 12 | 4 | 5 | 3 | 7 | 1 | 1 | 0 | 0 | 85 |
| 2020 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 5 | 7 | 7 | 7 | 9 | 14 | 5 | 8 | 5 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 75 |
| 2021 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 5 | 2 | 0 | 2 | 7 | 5 | 5 | 6 | 4 | 2 | 3 | 1 | 0 | 5 | 0 | 0 | 3 | 52 |
| 2022 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 2 | 1 | 1 | 3 | 0 | 1 | 11 | 6 | 4 | 1 | 2 | 4 | 3 | 3 | 2 | 0 | 0 | 0 | 48 |
| 2023 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 5 | 1 | 6 | 5 | 5 | 6 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 31 |
| 総計 | 13 | 9 | 22 | 16 | 31 | 31 | 37 | 59 | 69 | 108 | 122 | 163 | 189 | 218 | 231 | 302 | 229 | 221 | 152 | 100 | 86 | 46 | 29 | 13 | 2 | 5 | 2503 |