condition	mean	min	max
4 h after light	9.29264	9.24147	9.35993
8 h after light	9.07164	9.00135	9.1117
12 h after light	9.170326666666666	9.078	9.25752
4 h after dark	8.997533333333333	8.90782	9.08158
8 h after dark	8.99089	8.841339999999999	9.11974
12 h after dark	9.122423333333334	8.9999	9.21808