condition	mean	min	max
4 h after light	4.422533333333334	4.26387	4.7098
8 h after light	4.249993333333333	4.07793	4.36758
12 h after light	4.274353333333333	4.18985	4.351369999999999
4 h after dark	4.26338	4.20265	4.35161
8 h after dark	4.31698	4.1721	4.45266
12 h after dark	4.28375	4.24256	4.34258