condition mean min max 4 h after light 58.1 58.1 58.1 8 h after light 47.5 42.0 53.0 12 h after light 108.25 103.6 112.9 4 h after dark 120.30000000000001 106.3 134.3 8 h after dark 166.9 159.9 173.9 12 h after dark 152.8 149.6 156.0