condition	mean	min	max
4 h after light	2.02527	1.39787	2.65267
8 h after light	2.722935	2.3723	3.07357
12 h after light	5.04818	4.8112	5.28516
4 h after dark	6.323323333333334	5.67798	6.8164
8 h after dark	4.717163333333334	4.28287	5.30594
12 h after dark	3.43272	3.01826	4.04534