condition	mean	min	max
4 h after light	2.185615	1.9839	2.38733
8 h after light	1.9586100000000002	1.91048	2.00674
12 h after light	1.846695	1.44922	2.24417
4 h after dark	5.720435	4.13683	7.30404
8 h after dark	3.398685	3.23344	3.56393
12 h after dark	2.483375	1.98639	2.98036