condition	mean	min	max
4 h after light	21.5	21.5	21.5
8 h after light	12.75	4.4	21.1
12 h after light	11.149999999999999	4.1	18.2
4 h after dark	14.35	2.7	26.0
8 h after dark	36.1	28.5	43.7
12 h after dark	17.4	11.6	23.2