condition	mean	min	max
4 h after light	3.680955	3.36466	3.99725
8 h after light	4.458565	4.3848	4.53233
12 h after light	4.3003	4.06754	4.53306
4 h after dark	5.36829	5.18186	5.55472
8 h after dark	3.55076	3.41627	3.68525
12 h after dark	3.948945	3.92865	3.96924