condition	mean	min	max
4 h after light	26.7	26.7	26.7
8 h after light	13.8	9.6	18.0
12 h after light	50.05	37.7	62.4
4 h after dark	24.85	9.1	40.6
8 h after dark	8.55	6.8	10.3
12 h after dark	12.4	6.2	18.6