condition	mean	min	max
0 h after light	8.088284999999999	7.76478	8.41179
4 h after light	8.828635	8.69825	8.95902
8 h after light	11.75965	11.2161	12.3032
4 h after dark	11.6632	11.355	11.9714
8 h after dark	11.56575	11.1374	11.9941
12 h after dark	8.43196	8.04654	8.81738