condition	mean	min	max
4 h after light	12.867650000000001	10.9825	14.7528
8 h after light	17.79515	16.9421	18.6482
12 h after light	20.36575	18.6576	22.0739
4 h after dark	27.752666666666666	26.2133	29.2593
8 h after dark	31.4406	31.0301	32.07
12 h after dark	24.4551	21.6807	27.0435