condition	mean	min	max
4 h after light	3.6695433333333334	3.6198	3.70879
8 h after light	3.68456	3.5775699999999997	3.7757400000000003
12 h after light	3.7654033333333334	3.6888	3.8923099999999997
4 h after dark	3.76537	3.67426	3.9194400000000003
8 h after dark	3.7283566666666665	3.6996	3.75065
12 h after dark	3.7093866666666666	3.6522699999999997	3.7772099999999997