condition	mean	min	max
4 h after light	33.1	33.1	33.1
8 h after light	24.55	7.1	42.0
12 h after light	22.0	8.1	35.9
4 h after dark	32.35	32.1	32.6
8 h after dark	51.35	49.2	53.5
12 h after dark	29.6	23.2	36.0