condition	mean	min	max
4 h after light	68.4325	64.2512	72.6138
8 h after light	41.81165	40.3362	43.2871
12 h after light	23.51365	22.5444	24.4829
4 h after dark	28.446199999999997	26.8493	30.0431
8 h after dark	47.316950000000006	46.9352	47.6987
12 h after dark	57.779250000000005	56.3965	59.162