condition	mean	min	max
0 h after light	7.637359999999999	7.07716	8.19756
4 h after light	9.57299	8.11248	11.0335
8 h after light	14.474499999999999	13.2826	15.6664
4 h after dark	20.7843	20.76	20.8086
8 h after dark	16.844549999999998	16.2927	17.3964
12 h after dark	10.41682	8.21614	12.6175