condition	mean	min	max
4 h after light	10.078005000000001	8.29531	11.8607
8 h after light	11.020700000000001	10.8458	11.1956
12 h after light	12.210049999999999	12.0913	12.3288
4 h after dark	15.998000000000001	14.4477	17.5483
8 h after dark	12.952449999999999	12.6669	13.238
12 h after dark	12.614149999999999	12.3942	12.8341