condition	mean	min	max
4 h after light	17.3	17.3	17.3
8 h after light	22.7	5.3	40.1
12 h after light	26.35	17.0	35.7
4 h after dark	27.8	14.5	41.1
8 h after dark	43.3	25.9	60.7
12 h after dark	50.15	45.9	54.4