condition	mean	min	max
2 h after light	19.514416666666666	17.1549	23.1129
6 h after light	17.2973	15.4146	19.0748
10 h after light	16.801366666666667	12.6238	19.0053
14 h after light	19.09045	13.5948	24.6924
18 h after light	17.954250000000002	14.3328	19.7669
2 h after dark	18.492533333333334	15.9694	22.2736