condition	mean	min	max
4 h after light	4.2857433333333335	4.18337	4.4043
8 h after light	4.45038	4.28176	4.60714
12 h after light	4.419866666666667	4.1885900000000005	4.66996
4 h after dark	4.395063333333334	4.24345	4.55171
8 h after dark	4.43139	4.35761	4.57864
12 h after dark	4.333583333333333	4.263999999999999	4.37689