condition mean min max 4 h after light 5.0 5.0 5.0 8 h after light 33.35 4.5 62.2 12 h after light 28.05 19.9 36.2 4 h after dark 59.2 46.7 71.7 8 h after dark 74.9 66.6 83.2 12 h after dark 47.150000000000006 41.1 53.2