condition	mean	min	max
4 h after light	11.565456666666666	11.50007	11.628
8 h after light	11.489466666666667	11.38074	11.6012
12 h after light	11.544036666666667	11.43435	11.63923
4 h after dark	11.775630000000001	11.72822	11.821710000000001
8 h after dark	12.04232	11.82277	12.18099
12 h after dark	12.23078	12.0979	12.379489999999999