condition mean min max 4 h after light 4.9 4.9 4.9 8 h after light 5.3 3.4 7.2 12 h after light 7.199999999999999 4.8 9.6 4 h after dark 23.15 5.4 40.9 8 h after dark 6.8500000000000005 2.9 10.8 12 h after dark 14.85 2.4 27.3