condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.023108033333333333 0.0 0.0693241 12 h after light 0.0 0.0 0.0 3 h after dark 0.033388 0.0 0.100164 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