condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.07736416666666666 0.0 0.170004 10 h after light 0.026654833333333332 0.0 0.159929 14 h after light 0.111172 0.0 0.331282 18 h after light 0.022675166666666666 0.0 0.136051 2 h after dark 0.03274 0.0 0.19644