condition	mean	min	max
3 h after light	11.8485	11.5281	12.3997
6 h after light	14.3227	12.9375	16.7698
9 h after light	16.18006666666667	15.34	16.9294
12 h after light	18.526275	15.6989	19.744
3 h after dark	21.054233333333332	20.2923	22.3187
6 h after dark	20.030566666666665	16.6957	22.6474
9 h after dark	16.258633333333332	13.5963	18.3722
12 h after dark	12.7685	12.367	13.17