condition	mean	min	max
4 h after light	3.611748	3.220348	4.351143
8 h after light	2.393731	1.5115969999999999	2.845442
12 h after light	1.5616160000000001	1.462216	1.671674
16 h after light	3.255780666666667	2.738083	3.828297
4 h after dark	2.9240383333333333	2.515134	3.159759
8 h after dark	2.283946333333333	1.709039	3.070004