Lake | n | SL mean (mm) ± S.D. | SH mean (mm) ± S.D. |
Shinji | 45 | 18.16 ± 2.17 | 15.87 ± 1.76 |
Jusan | 48 | 26.73 ± 2.51 | 23.90 ± 2.24 |
Ogawara | 48 | 22.34 ± 1.43 | 20.42 ± 1.31 |
Abashiri | 47 | 24.28 ± 1.41 | 22.46 ± 1.27 |
Total | 188 | 22.94 ± 3.66 | 20.73 ± 3.44 |