condition	mean	min	max
4 h after light	26.551650000000002	21.8113	31.292
8 h after light	18.299500000000002	17.8013	18.7977
12 h after light	24.20055	21.1077	27.2934
4 h after dark	63.09740000000001	60.7854	65.4094
8 h after dark	64.18350000000001	63.2804	65.0866
12 h after dark	58.475449999999995	57.4877	59.4632