condition	mean	min	max
4 h after light	38.2	38.2	38.2
8 h after light	58.25	56.9	59.6
12 h after light	58.1	39.5	76.7
4 h after dark	33.2	23.2	43.2
8 h after dark	49.05	46.7	51.4
12 h after dark	37.3	29.2	45.4