condition	mean	min	max
4 h after light	7.8965395	7.79191	8.001169
8 h after light	7.951138	7.941776	7.9605
12 h after light	8.5194765	7.847117	9.191836
4 h after dark	7.9852050000000006	7.616031	8.354379
8 h after dark	7.5931115	7.477357	7.708866
12 h after dark	8.308118	8.308118	8.308118