condition	mean	min	max
4 h after light	2.8718250000000003	2.06856	3.67509
8 h after light	2.83427	2.41371	3.25483
12 h after light	2.86196	2.12195	3.60197
4 h after dark	2.1696633333333333	1.61775	2.94372
8 h after dark	2.88515	2.87498	2.90181
12 h after dark	2.955356666666667	2.58414	3.31421