condition mean min max 0 h after light 3.9477599999999997 2.19424 5.70128 2 h after light 1.851705 0.0 3.70341 4 h after light 1.22866 0.0 2.45732 8 h after light 3.32275 3.08688 3.55862 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 1.091585 0.0 2.18317 8 h after dark 2.06586 0.0 4.13172 12 h after dark 0.0 0.0 0.0