Site | 2016 | 2017 | Means | ||||
Sep. | Oct. | Nov. | Dec. | Jan. | Feb. | ||
Gapyeong | 44.5±5.1a | 40.3±1.9a | 43.5±8.1a | 27.8±4.6b | 19.5±8.6b | 12.8±2.1c | 31.4±5.1 |
Bonghwa | 56.0±5.9a | 57.0±7.7a | 55.0±4.1a | 43.0±2.9b | 38.0±7.9b | 17.3±3.6c | 42.1±5.2 |
Means | 50.3±5.5a | 48.7±4.8a | 49.3±6.1a | 35.4±3.8b | 28.8±8.3b | 15.1±2.9c | 37.9±5.2 |