condition	mean	min	max
2 h after light	7.45873	6.38941	8.44097
6 h after light	8.125539999999999	7.81485	8.69225
10 h after light	8.604243333333333	7.35814	9.27624
2 h after dark	7.65459	6.23301	8.43982
6 h after dark	8.123123333333334	7.76297	8.38278
10 h after dark	8.520023333333333	8.17301	9.03897