condition	mean	min	max
4 h after light	1.846835	1.29982	2.39385
8 h after light	2.1333650000000004	2.03975	2.22698
12 h after light	1.95186	1.81217	2.09155
4 h after dark	1.8097933333333334	1.7939	1.82201
8 h after dark	1.3820633333333334	1.17241	1.61592
12 h after dark	1.5054533333333333	1.43335	1.6234