condition	mean	min	max
4 h after light	4.453176666666666	4.29841	4.5785599999999995
8 h after light	4.435653333333334	4.24593	4.6428
12 h after light	4.453173333333334	4.314030000000001	4.62365
4 h after dark	4.45314	4.35139	4.60998
8 h after dark	4.428176666666666	4.40514	4.44747
12 h after dark	4.38289	4.23387	4.55278