condition	mean	min	max
4 h after light	7.47826	5.82404	9.13248
8 h after light	6.656295	6.60777	6.70482
12 h after light	6.112439999999999	6.08298	6.1419
4 h after dark	7.84878	7.37564	8.18662
8 h after dark	9.632563333333334	9.40195	9.92649
12 h after dark	7.09547	6.6465	7.36988