condition	mean	min	max
3 h after light	9.83458	9.41915	10.3983
6 h after light	7.71091	6.08405	8.64905
9 h after light	11.36331	9.98483	12.2971
12 h after light	13.972533333333333	12.6685	15.4869
3 h after dark	18.7653	17.9011	20.2438
6 h after dark	15.9183	13.8979	16.9291
9 h after dark	12.649733333333334	11.6734	13.7261
12 h after dark	11.662633333333334	9.9167	14.4342