condition	mean	min	max
4 h after light	8.3026985	7.279429	9.325968
8 h after light	8.041234	6.875248	9.20722
12 h after light	8.3793275	7.67511	9.083545
4 h after dark	7.9476525	7.833347	8.061958
8 h after dark	10.6024175	10.23072	10.974115
12 h after dark	8.847994	8.847994	8.847994