condition	mean	min	max
0 h after light	17.84255	15.6667	20.0184
2 h after light	11.36425	9.9328	12.7957
4 h after light	9.369195000000001	9.16576	9.57263
8 h after light	6.600795	6.30419	6.8974
12 h after light	8.655899999999999	7.7257	9.5861
2 h after dark	7.9155549999999995	7.77394	8.05717
4 h after dark	9.57307	9.3263	9.81984
8 h after dark	16.92825	16.7483	17.1082
12 h after dark	18.23845	17.0247	19.4522