condition mean min max 4 h after light 71.8 71.8 71.8 8 h after light 61.150000000000006 43.6 78.7 12 h after light 90.75 89.3 92.2 4 h after dark 107.10000000000001 61.4 152.8 8 h after dark 90.95 65.9 116.0 12 h after dark 86.85 79.3 94.4