condition	mean	min	max
0 h after light	15.72975	13.9855	17.474
4 h after light	11.49305	10.628	12.3581
8 h after light	9.95336	8.93202	10.9747
4 h after dark	16.34015	13.6553	19.025
8 h after dark	14.4316	13.9287	14.9345
12 h after dark	12.752099999999999	12.7456	12.7586