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 0.0 0.0 0.0 12 h after light 0.0919605 0.0 0.367842 3 h after dark 0.15207600000000002 0.0 0.456228 6 h after dark 0.6721643333333333 0.0 1.3637 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0