condition	mean	min	max
4 h after light	34.5	34.5	34.5
8 h after light	58.0	47.1	68.9
12 h after light	46.6	30.6	62.6
4 h after dark	58.75	45.8	71.7
8 h after dark	40.2	28.8	51.6
12 h after dark	66.8	64.1	69.5