condition	mean	min	max
2 h after light	19.514116666666666	16.0995	22.5818
6 h after light	15.297633333333334	13.8898	18.4687
10 h after light	14.997411666666666	9.73127	18.1636
14 h after light	12.37679	9.69222	17.2097
18 h after light	15.787849999999999	12.8889	18.9839
2 h after dark	9.316205	6.85397	13.4101