condition	mean	min	max
0 h after light	15.03945	14.4832	15.5957
4 h after light	15.93685	14.5909	17.2828
8 h after light	12.32625	11.588	13.0645
4 h after dark	17.5365	15.0934	19.9796
8 h after dark	17.112949999999998	17.0722	17.1537
12 h after dark	16.71375	15.1243	18.3032