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 0.0233519 0.0 0.0700557 12 h after light 0.0 0.0 0.0 3 h after dark 0.020047600000000002 0.0 0.0601428 6 h after dark 0.0 0.0 0.0 9 h after dark 0.04360786666666667 0.0 0.0788431 12 h after dark 0.0 0.0 0.0