condition	mean	min	max
4 h after light	5.675315	4.76524	6.58539
8 h after light	5.38993	5.10358	5.67628
12 h after light	5.29616	4.78556	5.80676
4 h after dark	6.4064	6.09777	6.99992
8 h after dark	7.365563333333333	6.90519	7.77279
12 h after dark	7.535576666666667	6.54219	9.44009