condition	mean	min	max
4 h after light	4.95687	4.9131	4.99827
8 h after light	5.13943	4.97293	5.3008
12 h after light	5.0893266666666666	5.01791	5.194719999999999
4 h after dark	5.1464	4.95472	5.27514
8 h after dark	4.988953333333333	4.9479	5.05408
12 h after dark	4.983446666666667	4.9385900000000005	5.02543