condition	mean	min	max
4 h after light	12.4772	10.9177	14.0367
8 h after light	11.21735	11.1258	11.3089
12 h after light	12.5549	12.0835	13.0263
4 h after dark	14.176366666666667	13.8161	14.8188
8 h after dark	17.9391	17.0392	19.5973
12 h after dark	17.77756666666667	16.8441	19.2848