condition	mean	min	max
4 h after light	9.845355	8.41481	11.2759
8 h after light	10.7635	10.473	11.054
12 h after light	11.92595	11.6244	12.2275
4 h after dark	15.066633333333334	14.6381	15.8235
8 h after dark	17.087366666666668	15.7888	18.5802
12 h after dark	12.539733333333333	11.7444	13.7015