condition	mean	min	max
4 h after light	58.9	58.9	58.9
8 h after light	44.65	25.2	64.1
12 h after light	53.75	48.4	59.1
4 h after dark	30.1	28.4	31.8
8 h after dark	56.85	51.0	62.7
12 h after dark	50.75	45.4	56.1