condition	mean	min	max
4 h after light	7.677213	7.402724	7.951702
8 h after light	7.3800685	7.245754	7.514383
12 h after light	8.125673	8.001169	8.250177
4 h after dark	7.038959500000001	6.858703	7.219216
8 h after dark	7.9795365	7.235168	8.723905
12 h after dark	7.514383	7.514383	7.514383