condition	mean	min	max
4 h after light	20.4	20.4	20.4
8 h after light	22.9	21.2	24.6
12 h after light	58.8	50.8	66.8
4 h after dark	43.95	31.2	56.7
8 h after dark	62.05	56.4	67.7
12 h after dark	54.85	33.2	76.5