霞ヶ浦工事事務所 常陸利根川潮来観測所で午前9時の水温
詳細については、COM霞ヶ浦のHPをご覧下さい。
5℃ | 6℃ | 7℃ | 8℃ | 9℃ | 10℃ | 15℃ | 20℃ | 25℃ | 赤字は発表なく推定水温 |
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 | 26 | 27 | 28 | 29 | 30 | 31 | |||
2002 1月 |
5.4 | 5.5 | 4.6 | 4.4 | 4.7 | 4.4 | 4.3 | 4.5 | 4.6 | 4.5 | 4.7 | 5.0 | 5.1 | 5.1 | 5.6 | 6.1 | 6.4 | 6.2 | 6.0 | 6.1 | 6.3 | 7.5 | 7.1 | 7.0 | 6.6 | 6.6 | 7.1 | 6.8 | 6.4 | 6.3 | 6.0 | ||
2003 1月 |
4.2 | 4.0 | 3.9 | 3.8 | 3.9 | 3.2 | 3.4 | 3.3 | 3.3 | 3.4 | 3.7 | 3.3 | 3.6 | 3.9 | 4.2 | 3.9 | 3.7 | 3.9 | 4.1 | 4.1 | 4.5 | 4.4 | 4.3 | 4.3 | 3.8 | 4.0 | 4.1 | 5.1 | 4.9 | 3.7 | 3.6 | ||
2004 1月 |
6.4 | 6.4 | 6.6 | 7.0 | 6.9 | 6.6 | 6.6 | 6.2 | 5.9 | 5.9 | 5.6 | 5.3 | 5.7 | 4.5 | 4.0 | 3.2 | 3.4 | 3.6 | 3.9 | 3.8 | 4.3 | 4.3 | 3.9 | 4.0 | 3.7 | 3.9 | 4.1 | 4.0 | 4.4 | 4.7 | 4.8 | ||
2005 1月 |
6.9 | 6.6 | 6.5 | 6.3 | 6.3 | 6.1 | 6.0 | 6.1 | 5.9 | 5.7 | 5.6 | 5.6 | 5.0 | 5.1 | 5.5 | 6.3 | 6.2 | 6.4 | 6.3 | 5.9 | 5.7 | 5.5 | 5.3 | 5.0 | 5.2 | 5.4 | |||||||
2月 | 6.0 | 5.8 | 6.2 | 6.3 | 6.2 | 6.6 | 6.9 | 7.0 | 6.7 | 6.6 | 6.6 | 6.4 | 6.7 | 6.5 | 6.4 | 6.6 | 7.0 | 7.1 | 6.6 | 6.4 | 6.9 | 7.4 | 7.6 | 8.0 | 8.0 | 8.3 | 8.5 | 8.9 | |||||
2003 2月 |
4.0 | 4.0 | 4.0 | 4.0 | 4.1 | 3.9 | 3.9 | 4.2 | 4.8 | 5.3 | 5.8 | 6.1 | 6.0 | 5.9 | 6.0 | 6.4 | 6.2 | 6.5 | 6.2 | 6.5 | 6.2 | 6.5 | 6.5 | 6.4 | 5.3 | 5.7 | 5.9 | 5.9 | |||||
2004 2月 |
4.8 | 5.3 | 5.4 | 5.4 | 5.5 | 5.6 | 5.2 | 5.2 | 5.5 | 5.5 | 5.4 | 5.5 | 5.9 | 6.1 | 6.6 | 6.2 | 6.4 | 6.7 | 6.7 | 7.2 | 7.2 | 8.1 | 9.4 | 8.7 | 8.9 | 9.1 | 9.4 | 9.2 | 9.3 | ||||
2005 2月 |
5.4 | 5.5 | 5.9 | 6.0 | 5.9 | 6.1 | 6.0 | 6.2 | 6.4 | 6.5 | 6.8 | 6.7 | 6.7 | 6.9 | 7.0 | 7.2 | 7.2 | 7.1 | 6.3 | 6.1 | 6.6 | ||||||||||||
3月 | 9.1 | 9.5 | 9.5 | 9.4 | 9.1 | 9.7 | 10.1 | 9.9 | 9.9 | 10.3 | 10.6 | 10.9 | 11.0 | 11.4 | 11.9 | 12.4 | 12.3 | 12.9 | 12.6 | 12.5 | 12.6 | 13.2 | 13.0 | 12.4 | 12.1 | 12.3 | 12.3 | 11.8 | 12.3 | 12.1 | 13.5 | ||
2003 3月 |
6.4 | 7.2 | 7.6 | 7.5 | 6.8 | 6.6 | 6.8 | 7.3 | 7.3 | 7.6 | 7.7 | 7.4 | 7.4 | 8.0 | 8.2 | 8.1 | 8.4 | 8.1 | 8.4 | 8.5 | 8.8 | 9.0 | 8.9 | 9.9 | 10.3 | 10.2 | 11.5 | 11.9 | 12.0 | 11.5 | 12.0 | ||
2004 3月 |
9.3 | 8.5 | 8.4 | 8.2 | 8.2 | 8.4 | 8.2 | 8.1 | 8.0 | 8.4 | 9.5 | 9.8 | 9.8 | 10.8 | 10.2 | 10.8 | 11.1 | 12.3 | 11.2 | 11.1 | 10.6 | 10.7 | 9.9 | 9.4 | 9.5 | 9.6 | 9.8 | 10.3 | 11.0 | 11.9 | 12.7 | ||
2005 3月 |
6.8 | 7.0 | 7.2 | 7.1 | 6.6 | 6.5 | 6.3 | 6.7 | 7.2 | 7.6 | 7.7 | 8.6 | 9.2 | 9.8 | 9.5 | 9.8 | 9.7 | 10.1 | |||||||||||||||
4月 | 13.8 | 14.5 | 14.9 | 15.4 | 15.2 | 15.0 | 14.5 | 15.3 | 15.9 | 15.2 | 14.8 | 14.8 | 14.6 | 14.8 | 15.4 | 16.5 | 17.1 | 17.4 | 17.3 | 17.4 | 17.6 | 17.3 | 17.4 | 17.5 | 18.1 | 17.0 | 16.0 | 15.9 | 16.3 | 16.8 | |||
2003 4月 |
12.2 | 12.5 | 12.2 | 11.7 | 11.8 | 10.5 | 11.1 | 11.9 | 12.6 | 12.9 | 13.4 | 13.5 | 14.1 | 14.6 | 14.4 | 14.3 | 15.2 | 15.8 | 16.7 | 16.7 | 16.1 | 15.4 | 15.7 | 15.5 | 15.6 | 15.8 | 16.6 | 17.4 | 18.2 | 18.3 | |||
2004 4月 |
12.9 | 13.5 | 13.8 | 13.5 | 12.0 | 12.2 | 13.2 | 14.1 | 13.8 | 14.5 | 15.1 | 16.1 | 15.4 | 15.6 | 15.5 | 16.4 | 16.8 | 16.5 | 17.5 | 17.7 | 18.2 | 18.4 | 18.9 | 18.3 | 18.0 | 17.9 | 17.4 | 17.5 | 17.3 | 18.0 | |||
5月 | 16.5 | 16.7 | 17.8 | 17.9 | 18.8 | 19.1 | 18.8 | 18.3 | 18.2 | 17.9 | 17.1 | 17.3 | 17.3 | 17.4 | 17.7 | 17.7 | 17.7 | 18.2 | 17.9 | 17.7 | 18.4 | 18.5 | 18.6 | 19.2 | 20.1 | 20.2 | 20.9 | 20.8 | 21.2 | 21.6 | 21.9 | ||
2003 5月 |
17.8 | 18.0 | 18.3 | 18.8 | 19.2 | 19.4 | 19.9 | 20.7 | 19.7 | 19.5 | 19.7 | 19.6 | 20.2 | 20.1 | 20.0 | 19.5 | 19.1 | 18.2 | 18.1 | 18.4 | 18.7 | 19.3 | 18.4 | 18.3 | 18.6 | 18.9 | 19.0 | 19.8 | 21.2 | 21.0 | 20.9 | ||
2004 5月 |
18.3 | 17.8 | 17.7 | 17.7 | 17.7 | 17.3 | 17.9 | 17.8 | 18.5 | 18.3 | 18.9 | 19.5 | 20.0 | 20.3 | 20.3 | 20.5 | 20.3 | 20.8 | 20.8 | 20.2 | 19.2 | 18.5 | 17.6 | 17.6 | 18.2 | 18.8 | 19.6 | 20.1 | 20.9 | 21.8 | 24.0 | ||
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 | 26 | 27 | 28 | 29 | 30 | 31 | |||
2003 9月 |
残暑で水温が26度を上回っていたが、台風15号の北東の風入り、一気に6度以上の水温低下。 | 19.3 | 19.4 | 19.7 | 19.5 | 20.0 | 20.4 | 20.6 | 20.7 | ||||||||||||||||||||||||
10月 | 19.1 | 19.0 | 18.9 | 18.6 | 17.6 | 16.8 | 16.6 | 16.3 | 17.3 | 17.2 | 17.1 | 16.8 | 16.3 | 16.0 | |||||||||||||||||||
2003 10月 |
20.7 | 20.9 | 20.6 | 20.3 | 20.2 | 20.1 | 19.5 | 19.2 | 18.5 | 18.3 | 18.5 | 18.8 | 19.7 | 19.2 | 17.8 | 17.5 | 17.4 | 17.2 | 17.1 | 17.0 | 16.9 | 17.2 | 17.4 | 17.3 | 16.8 | 16.7 | 16.7 | 16.5 | 16.4 | 16.7 | 16.9 | ||
11月 | 16.0 | 15.6 | 15.2 | 14.8 | 14.3 | 13.9 | 13.5 | 13.6 | 13.0 | 12.0 | 12.2 | 12.4 | 12.6 | 12.3 | 12.2 | 11.9 | 11.4 | 11.3 | 11.3 | 10.7 | 10.5 | 10.1 | 10.1 | 10.2 | 10.4 | 10.5 | 10.0 | 9.6 | 9.3 | 9.2 | |||
2003 11月 |
16.8 | 16.9 | 17.3 | 17.5 | 17.2 | 17.4 | 17.4 | 17.4 | 17.1 | 16.5 | 15.4 | 15.3 | 15.3 | 14.1 | 13.8 | 14.3 | 14.7 | 14.1 | 13.9 | 14.1 | 14.2 | 14.5 | 14.2 | 13.8 | 13.4 | 13.2 | 12.2 | 11.6 | 11.7 | 12.5 | |||
2004 11月 |
16.2 | 16.5 | 16.9 | 16.9 | 16.8 | 16.9 | 16.8 | 16.9 | 17.5 | 17.1 | 16.7 | 16.3 | 15.2 | 14.7 | 14.7 | 14.7 | 14.4 | 14.6 | 14.3 | 14.2 | 14.2 | 14.4 | 14.2 | 14.1 | 13.9 | 13.8 | 13.0 | ||||||
12月 | 9.3 | 9.2 | 9.2 | 9.4 | 9.3 | 9.8 | 9.0 | 8.6 | 7.7 | 7.1 | 6.6 | 6.7 | 5.7 | 5.7 | 5.7 | 5.5 | 6.2 | 6.2 | 6.2 | 6.2 | 6.1 | 6.2 | 6.2 | 6.3 | 6.0 | 5.5 | 4.8 | 4.2 | 3.9 | 4.0 | 4.3 | ||
2003 12月 |
13.1 | 12.3 | 11.9 | 11.4 | 11.2 | 10.7 | 10.3 | 10.3 | 9.9 | 9.8 | 9.3 | 8.9 | 8.5 | 8.5 | 8.7 | 8.4 | 8.1 | 7.2 | 7.4 | 7.0 | 6.5 | 6.4 | 6.5 | 6.6 | 6.6 | 6.9 | 7.3 | 6.9 | 6.8 | 6.8 | 6.6 | ||
2004 12月 |
12.5 | 12.4 | 12.0 | 12.0 | 13.3 | 12.6 | 12.1 | 11.6 | 11.7 | 11.4 | 11.4 | 11.4 | 11.1 | 11.1 | 10.8 | 10.9 | 10.6 | 10.6 | 10.6 | 10.5 | 9.7 | 9.5 | 9.3 | 9.0 | 8.8 | 8.7 | 8.5 | 8.2 | 8.3 | 7.6 | 7.3 |