condition mean min max 4 h after light 0.4523525 0.0 0.904705 8 h after light 2.529445 2.47339 2.5855 12 h after light 2.4717450000000003 1.3533 3.59019 4 h after dark 2.982785 2.36571 3.59986 8 h after dark 5.92893 5.59076 6.2671 12 h after dark 2.6662150000000002 1.32582 4.00661