condition	mean	min	max
4 h after light	3.7846366666666666	3.7578300000000002	3.8063
8 h after light	3.8876666666666666	3.84016	3.95664
12 h after light	3.8397	3.7928	3.89535
4 h after dark	3.84256	3.75354	3.9039800000000002
8 h after dark	3.9430199999999997	3.80142	4.04692
12 h after dark	3.86972	3.82725	3.91055