condition mean min max 4 h after light 465.8940355 378.437253 553.350818 8 h after light 349.648862 310.565667 388.732057 12 h after light 375.781298 359.76356 391.799036 4 h after dark 388.4784645 343.759826 433.197103 8 h after dark 381.0411385 357.905927 404.17635 12 h after dark 445.001288 445.001288 445.001288