condition	mean	min	max
4 h after light	9.3386525	9.286322	9.390983
8 h after light	8.2074985	7.746748	8.668249
12 h after light	8.130792	8.067535	8.194049
4 h after dark	9.027027499999999	8.013816	10.040239
8 h after dark	7.4568625	6.899909	8.013816
12 h after dark	8.297405	8.297405	8.297405