condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.015082033333333333 0.0 0.0452461 9 h after light 0.013913366666666668 0.0 0.0417401 12 h after light 0.0 0.0 0.0 3 h after dark 0.017635 0.0 0.052905 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0