condition	mean	min	max
4 h after light	10.721605	10.547268	10.895942
8 h after light	8.217908000000001	8.185639	8.250177
12 h after light	8.577279	8.453253	8.701305
4 h after dark	8.243311	8.236445	8.250177
8 h after dark	7.6215055	7.006566	8.236445
12 h after dark	9.072832	9.072832	9.072832