condition	mean	min	max
0 h after light	4.25355	4.06483	4.44227
4 h after light	3.82683	3.6005	4.05316
8 h after light	3.9440749999999998	3.67308	4.21507
4 h after dark	4.450115	4.01353	4.8867
8 h after dark	4.235745	4.08898	4.38251
12 h after dark	3.55506	3.37637	3.73375