condition	mean	min	max
4 h after light	31.8	31.8	31.8
8 h after light	34.7	30.8	38.6
12 h after light	13.25	3.0	23.5
4 h after dark	11.7	11.0	12.4
8 h after dark	11.65	3.1	20.2
12 h after dark	22.75	6.3	39.2