condition	mean	min	max
4 h after light	19.1	19.1	19.1
8 h after light	11.65	3.2	20.1
12 h after light	36.4	10.6	62.2
4 h after dark	23.75	8.8	38.7
8 h after dark	21.05	16.0	26.1
12 h after dark	26.1	9.5	42.7