condition	mean	min	max
0 h after light	19.03035	18.6853	19.3754
4 h after light	13.372900000000001	11.2475	15.4983
8 h after light	9.819344999999998	8.62689	11.0118
4 h after dark	17.008650000000003	12.8137	21.2036
8 h after dark	23.57105	23.31	23.8321
12 h after dark	20.56275	20.2392	20.8863