condition	mean	min	max
4 h after light	15.33035	12.2435	18.4172
8 h after light	21.785200000000003	21.2066	22.3638
12 h after light	25.4195	24.8171	26.0219
4 h after dark	23.444499999999998	22.0872	25.1376
8 h after dark	25.690266666666666	24.7885	26.5142
12 h after dark	16.9948	16.0166	17.6747