condition	mean	min	max
4 h after light	7297.055054500001	7186.808014	7407.302095
8 h after light	4703.3778485	4403.478819	5003.276878
12 h after light	5807.9168445	5262.428965	6353.404724
4 h after dark	6738.1459605	6627.569439	6848.722482
8 h after dark	4582.8423235	2719.001288	6446.683359
12 h after dark	6619.107553	6619.107553	6619.107553