condition	mean	min	max
4 h after light	8.551095	7.45514	9.64705
8 h after light	7.53107	7.22753	7.83461
12 h after light	9.490595	8.31229	10.6689
4 h after dark	9.17747	8.20524	10.1497
8 h after dark	8.99226	8.79578	9.18874
12 h after dark	8.811914999999999	8.21333	9.4105