condition	mean	min	max
1 h after light	15.896651286666666	14.36026963	17.22909567
3 h after light	15.283643603333333	13.69482563	16.52418184
5 h after light	13.74824798	12.19553366	16.19620242
7 h after light	18.870316286666668	17.98814865	20.24708411
9 h after light	16.690929883333332	12.76126837	21.55797904
11 h after light	16.521702166666667	15.80975783	17.30985471
13 h after light	15.474685189999999	12.76564891	17.4828469
15 h after light	18.36233204	17.45929785	19.30849697
1 h after dark	16.402392493333334	15.52541431	17.40567093
3 h after dark	14.963405226666668	11.21443342	22.05631101
5 h after dark	16.15490026333333	11.32867522	20.3767716
7 h after dark	16.04440555	10.59486939	19.2310242