condition	mean	min	max
0 h after light	9.0459	8.87797	9.21383
4 h after light	11.16765	10.8932	11.4421
8 h after light	7.393935	6.22888	8.55899
4 h after dark	12.735949999999999	12.434	13.0379
8 h after dark	13.2137	12.504	13.9234
12 h after dark	9.869245	7.16449	12.574