condition	mean	min	max
4 h after light	3.38792	2.74343	4.03241
8 h after light	3.461905	3.14919	3.77462
12 h after light	3.414675	3.30015	3.5292
4 h after dark	4.9647033333333335	4.80374	5.06478
8 h after dark	4.27873	3.86445	4.77514
12 h after dark	3.605376666666667	3.53813	3.70375