condition mean min max 4 h after light 2.8 2.8 2.8 8 h after light 6.6499999999999995 1.6 11.7 12 h after light 26.35 14.2 38.5 4 h after dark 60.5 53.4 67.6 8 h after dark 50.6 46.7 54.5 12 h after dark 37.05 23.3 50.8