condition	mean	min	max
4 h after light	8.756975	7.91513	9.59882
8 h after light	10.77205	10.5786	10.9655
12 h after light	12.5698	11.8855	13.2541
4 h after dark	16.632933333333334	16.2392	17.2969
8 h after dark	15.711733333333333	14.9878	16.5368
12 h after dark	12.7117	10.7374	15.9442