condition	mean	min	max
4 h after light	6.023795	4.63888	7.40871
8 h after light	4.36786	4.3608	4.37492
12 h after light	3.706635	2.7092	4.70407
4 h after dark	5.818716666666667	4.59981	7.13421
8 h after dark	4.640423333333334	3.92747	5.37276
12 h after dark	5.68383	4.34431	6.70052