condition	mean	min	max
4 h after light	21.02995	17.7892	24.2707
8 h after light	12.932945	9.65149	16.2144
12 h after light	32.5549	32.1049	33.0049
4 h after dark	41.654399999999995	40.387	42.9218
8 h after dark	45.11865	40.1216	50.1157
12 h after dark	36.90025	32.26	41.5405