condition	mean	min	max
4 h after light	14.0	14.0	14.0
8 h after light	47.25	42.7	51.8
12 h after light	22.2	19.5	24.9
4 h after dark	50.05	30.5	69.6
8 h after dark	45.05	29.8	60.3
12 h after dark	45.65	38.9	52.4