condition mean min max 4 h after light 801.6216334999999 636.155134 967.088133 8 h after light 1223.7177645 1127.417507 1320.018022 12 h after light 1296.460689 1175.612398 1417.30898 4 h after dark 2178.277723 1683.26701 2673.288436 8 h after dark 2049.7481365000003 1592.341139 2507.155134 12 h after dark 1606.947761 1606.947761 1606.947761