condition	mean	min	max
4 h after light	9.415786666666666	9.34709	9.45248
8 h after light	9.311186666666666	9.17184	9.46744
12 h after light	9.39382	9.3476	9.484010000000001
4 h after dark	9.33093	9.283660000000001	9.35712
8 h after dark	9.191876666666666	8.960239999999999	9.418339999999999
12 h after dark	9.366563333333334	9.30376	9.42055