condition	mean	min	max
0 h after light	16.7103	16.4302	16.9904
4 h after light	21.039250000000003	20.0359	22.0426
8 h after light	18.33205	14.6593	22.0048
4 h after dark	22.6059	20.8175	24.3943
8 h after dark	22.30455	21.6416	22.9675
12 h after dark	18.44825	17.5821	19.3144