condition	mean	min	max
4 h after light	5.978023333333334	5.9135	6.09994
8 h after light	5.9539	5.83798	6.02594
12 h after light	5.64276	5.41265	5.95385
4 h after dark	5.90224	5.82613	5.94439
8 h after dark	5.9191633333333336	5.53601	6.197030000000001
12 h after dark	5.851953333333333	5.841419999999999	5.86094