condition	mean	min	max
4 h after light	6.95091	6.18784	7.71398
8 h after light	9.12401	8.74981	9.49821
12 h after light	7.561185	7.05544	8.06693
4 h after dark	6.789095	6.62562	6.95257
8 h after dark	6.444	5.78576	7.10224
12 h after dark	7.53679	7.40953	7.66405