condition mean min max 4 h after light 47.7 47.7 47.7 8 h after light 72.6 41.7 103.5 12 h after light 148.15 93.7 202.6 4 h after dark 169.9 163.0 176.8 8 h after dark 126.94999999999999 101.2 152.7 12 h after dark 81.8 41.1 122.5