condition	mean	min	max
3 h after light	10.31138	9.31648	11.8246
6 h after light	13.9582	11.9781	15.8197
9 h after light	15.3784	14.6628	16.7918
12 h after light	15.756425	12.1949	18.573
3 h after dark	16.509333333333334	16.0958	16.799
6 h after dark	14.3215	12.7093	16.7296
9 h after dark	10.291516666666666	9.18795	10.9714
12 h after dark	7.883735	7.34694	8.42053