condition	mean	min	max
4 h after light	8.63298	8.58312	8.672830000000001
8 h after light	8.769210000000001	8.5409	8.98
12 h after light	8.67634	8.63125	8.75994
4 h after dark	9.553176666666667	9.15215	9.87762
8 h after dark	9.72442	9.65043	9.8482
12 h after dark	9.63983	9.42141	9.87468