condition	mean	min	max
4 h after light	13.1553	11.8929	14.4177
8 h after light	14.2909	13.5342	15.0476
12 h after light	13.5244	13.407	13.6418
4 h after dark	15.77695	15.4242	16.1297
8 h after dark	15.00225	14.7563	15.2482
12 h after dark	14.80765	14.5195	15.0958