condition	mean	min	max
4 h after light	9.132503333333332	9.06964	9.195039999999999
8 h after light	9.1755	9.04162	9.26648
12 h after light	9.14532	8.982460000000001	9.23572
4 h after dark	9.263656666666666	9.14138	9.41715
8 h after dark	9.25932	9.20364	9.3062
12 h after dark	9.332933333333333	9.17344	9.47878