condition mean min max 4 h after light 56.7 56.7 56.7 8 h after light 88.7 57.2 120.2 12 h after light 104.45 96.5 112.4 4 h after dark 55.650000000000006 53.6 57.7 8 h after dark 48.050000000000004 24.2 71.9 12 h after dark 39.5 5.5 73.5