condition	mean	min	max
4 h after light	23.5082625	18.621233	28.395292
8 h after light	27.2743425	21.411184	33.137501
12 h after light	26.871576	21.136057	32.607095
4 h after dark	18.365747499999998	17.400664	19.330831
8 h after dark	13.724154500000001	13.324234	14.124075
12 h after dark	16.869467	16.869467	16.869467