condition mean min max 4 h after light 231.7 231.7 231.7 8 h after light 181.55 178.1 185.0 12 h after light 264.29999999999995 243.2 285.4 4 h after dark 202.35 136.0 268.7 8 h after dark 201.25 140.9 261.6 12 h after dark 149.95 119.2 180.7