condition	mean	min	max
4 h after light	9.621500000000001	9.453510000000001	9.71804
8 h after light	9.86244	9.65682	10.0676
12 h after light	9.735046666666666	9.51147	10.00007
4 h after dark	9.779233333333334	9.3574	10.130360000000001
8 h after dark	9.726463333333333	9.56027	9.97353
12 h after dark	9.72916	9.66504	9.81093