condition mean min max 0 h after light 1.3088099999999998 1.30764 1.30998 4 h after light 0.64463 0.0 1.28926 8 h after light 3.918525 2.6622 5.17485 4 h after dark 0.644675 0.0 1.28935 8 h after dark 1.29329 1.28786 1.29872 12 h after dark 2.569105 1.30589 3.83232