condition	mean	min	max
1 h after light	19.50007587	16.34738858	22.65276316
3 h after light	15.182663633333332	12.44481777	17.20495505
5 h after light	15.437598066666666	14.63370545	16.37427716
7 h after light	16.279819326666665	16.22293697	16.33217431
9 h after light	17.702648283333332	16.6799389	18.95777546
11 h after light	17.102972153333333	15.77706477	18.64857121
13 h after light	17.49202072	16.45954409	19.01167673
15 h after light	18.868020326666667	16.78009883	21.80246345
1 h after dark	18.862120823333335	16.51810087	23.07682443
3 h after dark	20.20062907	19.68016604	20.97659584
5 h after dark	16.81972298666667	15.29925426	18.84898545
7 h after dark	15.565076906666667	13.62392012	18.6393192