condition	mean	min	max
4 h after light	31.7	31.7	31.7
8 h after light	16.2	6.8	25.6
12 h after light	59.4	56.5	62.3
4 h after dark	56.55	46.8	66.3
8 h after dark	13.45	11.9	15.0
12 h after dark	24.15	7.9	40.4