condition mean min max 0 h after light 0.9560885 0.572937 1.33924 4 h after light 1.3464075 0.941475 1.75134 8 h after light 3.7281 3.11048 4.34572 4 h after dark 2.913945 2.43836 3.38953 8 h after dark 3.0221299999999998 3.00945 3.03481 12 h after dark 1.4096465 0.953613 1.86568