condition mean min max 4 h after light 184.0 184.0 184.0 8 h after light 279.5 226.0 333.0 12 h after light 296.25 237.3 355.2 4 h after dark 309.25 300.4 318.1 8 h after dark 258.3 195.4 321.2 12 h after dark 95.35 85.5 105.2