condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.19582200000000002 0.0 0.587466 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0