condition	mean	min	max
4 h after light	3.60734	3.56104	3.65364
8 h after light	3.1406650000000003	3.10177	3.17956
12 h after light	3.77821	3.52935	4.02707
4 h after dark	3.74388	3.50697	3.98079
8 h after dark	3.9929200000000002	3.96877	4.01707
12 h after dark	4.51939	4.49067	4.54811