condition	mean	min	max
4 h after light	9.775006000000001	9.329242	10.22077
8 h after light	9.090687500000001	8.768978	9.412397
12 h after light	8.3126355	7.502826	9.122445
4 h after dark	9.214923500000001	7.714067	10.71578
8 h after dark	9.966190000000001	9.778235	10.154145
12 h after dark	8.952115	8.952115	8.952115