condition	mean	min	max
4 h after light	56.588169	55.74597	57.430368
8 h after light	50.952629	50.490615	51.414643
12 h after light	51.180391	39.306967	63.053815
4 h after dark	37.9341035	32.735309	43.132898
8 h after dark	49.0094895	28.769246	69.249733
12 h after dark	131.038622	131.038622	131.038622