condition mean min max 4 h after light 231.6 231.6 231.6 8 h after light 170.2 145.3 195.1 12 h after light 198.0 192.4 203.6 4 h after dark 234.39999999999998 228.7 240.1 8 h after dark 211.4 133.8 289.0 12 h after dark 302.1 287.4 316.8