condition	mean	min	max
3 h after light	12.879666666666667	11.2045	13.916
6 h after light	15.317566666666666	13.0362	17.2008
9 h after light	14.9223	11.4987	19.0416
12 h after light	15.206025	14.2447	16.2161
3 h after dark	19.4179	18.2261	21.3695
6 h after dark	18.791066666666666	16.5324	20.4157
9 h after dark	15.798399999999999	12.9997	17.4529
12 h after dark	15.326699999999999	15.2175	15.4359