condition	mean	min	max
4 h after light	11.21445	9.8118	12.6171
8 h after light	8.09029	7.91375	8.26683
12 h after light	11.22005	10.8395	11.6006
4 h after dark	17.68635	17.1717	18.201
8 h after dark	18.884149999999998	18.5769	19.1914
12 h after dark	17.40555	16.821	17.9901