condition mean min max 4 h after light 1.1 1.1 1.1 8 h after light 7.6499999999999995 3.6 11.7 12 h after light 9.200000000000001 3.6 14.8 4 h after dark 18.400000000000002 4.6 32.2 8 h after dark 16.4 15.5 17.3 12 h after dark 13.95 1.4 26.5