condition	mean	min	max
4 h after light	3.219445	2.74727	3.69162
8 h after light	2.3480350000000003	2.30331	2.39276
12 h after light	6.405405	6.02727	6.78354
4 h after dark	8.363025	8.06183	8.66422
8 h after dark	7.010425	6.66084	7.36001
12 h after dark	5.464955	4.96188	5.96803