condition	mean	min	max
4 h after light	17.1346	15.8163	18.4529
8 h after light	17.57045	16.7539	18.387
12 h after light	14.42305	13.5708	15.2753
4 h after dark	17.3218	16.8832	17.7604
8 h after dark	16.03725	15.1143	16.9602
12 h after dark	19.291449999999998	18.5661	20.0168