condition	mean	min	max
4 h after light	7.658411000000001	7.315653	8.001169
8 h after light	7.291255	7.266857	7.315653
12 h after light	7.5556405	7.315653	7.795628
4 h after dark	6.854193	6.406956	7.30143
8 h after dark	8.211851	7.216748	9.206954
12 h after dark	7.773035	7.773035	7.773035