condition	mean	min	max
0 h after light	16.795099999999998	16.2145	17.3757
4 h after light	7.38886	7.03333	7.74439
8 h after light	1.3155999999999999	1.17744	1.45376
4 h after dark	3.98194	3.97409	3.98979
8 h after dark	6.47234	6.14639	6.79829
12 h after dark	16.35215	15.1142	17.5901