condition mean min max 4 h after light 492.88149999999996 306.838636 678.924364 8 h after light 398.425726 344.347964 452.503488 12 h after light 451.1352035 375.105774 527.164633 4 h after dark 1486.9906084999998 684.693595 2289.287622 8 h after dark 1827.2751764999998 1282.352721 2372.197632 12 h after dark 911.519745 911.519745 911.519745