condition	mean	min	max
4 h after light	11.0	11.0	11.0
8 h after light	18.200000000000003	1.2	35.2
12 h after light	21.6	9.0	34.2
4 h after dark	13.55	9.1	18.0
8 h after dark	20.8	7.5	34.1
12 h after dark	17.75	12.5	23.0