condition	mean	min	max
4 h after light	9.3909405	8.507971	10.27391
8 h after light	8.902294	8.387326	9.417262
12 h after light	9.146694499999999	9.138912	9.154477
4 h after dark	9.662720499999999	9.368883	9.956558
8 h after dark	9.9609115	9.780558	10.141265
12 h after dark	8.483833	8.483833	8.483833