condition	mean	min	max
4 h after light	49.1892	45.0333	53.3451
8 h after light	40.207750000000004	37.8569	42.5586
12 h after light	60.90905	59.5148	62.3033
4 h after dark	76.79835	75.1939	78.4028
8 h after dark	87.4359	86.5524	88.3194
12 h after dark	69.6853	68.3926	70.978