condition mean min max 0 h after light 10.003145 9.49609 10.5102 2 h after light 3.505885 3.00825 4.00352 4 h after light 7.64148 7.08291 8.20005 8 h after light 11.171700000000001 10.9511 11.3923 12 h after light 21.5997 20.6738 22.5256 2 h after dark 22.28165 18.3818 26.1815 4 h after dark 24.0444 22.9091 25.1797 8 h after dark 34.0127 32.8774 35.148 12 h after dark 17.6837 17.4369 17.9305