condition	mean	min	max
4 h after light	9.41239	8.80028	10.0245
8 h after light	7.436795	7.07989	7.7937
12 h after light	8.197144999999999	7.98287	8.41142
4 h after dark	10.198486666666666	9.36746	11.1068
8 h after dark	9.808223333333334	9.52518	10.2466
12 h after dark	9.994673333333333	9.1498	11.5291