condition	mean	min	max
4 h after light	9.994473333333334	7.6904	12.3767
8 h after light	8.19317	2.15104	14.2492
12 h after light	7.98231	4.8046	13.0486
4 h after dark	13.736816666666668	9.48385	16.9188
8 h after dark	14.38263	9.40649	17.0741
12 h after dark	20.857033333333334	18.3039	24.8839