condition	mean	min	max
4 h after light	8.68771	8.03272	9.3427
8 h after light	4.25659	4.1506	4.36258
12 h after light	4.52255	3.74613	5.29897
4 h after dark	3.1129100000000003	2.94302	3.2828
8 h after dark	4.170975	4.12079	4.22116
12 h after dark	7.289825	7.27261	7.30704