condition	mean	min	max
4 h after light	16.016259	13.615643	18.416875
8 h after light	12.6142965	11.61295	13.615643
12 h after light	12.924713	11.490385	14.359041
4 h after dark	13.658504	13.615643	13.701365
8 h after dark	14.9847985	14.11887	15.850727
12 h after dark	13.563558	13.563558	13.563558