condition	mean	min	max
4 h after light	8.6363	8.6363	8.6363
8 h after light	9.0357415	8.387326	9.684157
12 h after light	7.950637499999999	7.764703	8.136572
4 h after dark	8.4547025	7.30011	9.609295
8 h after dark	8.7333485	8.6363	8.830397
12 h after dark	8.372	8.372	8.372