condition mean min max 4 h after light 82.5 82.5 82.5 8 h after light 108.9 106.6 111.2 12 h after light 117.05000000000001 109.7 124.4 4 h after dark 187.95 179.2 196.7 8 h after dark 177.0 174.2 179.8 12 h after dark 181.35 175.1 187.6