condition	mean	min	max
4 h after light	7.47082	6.89316	8.04848
8 h after light	8.77209	8.49843	9.04575
12 h after light	7.953720000000001	7.16309	8.74435
4 h after dark	11.057	10.4222	11.6918
8 h after dark	9.90739	9.70548	10.1093
12 h after dark	9.236519999999999	8.91268	9.56036