condition	mean	min	max
4 h after light	4.12149	4.094609999999999	4.16855
8 h after light	4.196876666666666	4.147469999999999	4.2458599999999995
12 h after light	4.212793333333333	4.09671	4.38617
4 h after dark	4.21256	4.0483199999999995	4.31669
8 h after dark	4.17492	4.06193	4.23193
12 h after dark	4.2018466666666665	4.1814	4.2207099999999995