condition	mean	min	max
4 h after light	8.11036	7.645510000000001	8.352269999999999
8 h after light	8.15509	7.6842	8.52228
12 h after light	8.19718	7.90972	8.4251
4 h after dark	8.403723333333334	7.83759	8.83981
8 h after dark	8.547863333333334	8.12994	8.838339999999999
12 h after dark	9.146726666666666	8.90596	9.35545