condition	mean	min	max
4 h after light	15.038333999999999	13.858291	16.218377
8 h after light	12.920020999999998	12.150343	13.689699
12 h after light	14.3399675	12.77839	15.901545
4 h after dark	14.784111	14.066734	15.501488
8 h after dark	13.6959525	13.325171	14.066734
12 h after dark	24.887851	24.887851	24.887851