condition mean min max 3 h after light 0.4666433333333333 0.245087 0.79704 6 h after light 0.36629733333333336 0.225807 0.630221 9 h after light 1.03044 0.35478 1.45347 12 h after light 2.334545 0.29707 3.28876 3 h after dark 3.2366200000000003 2.43319 4.60541 6 h after dark 1.5109116666666667 0.658995 2.20265 9 h after dark 0.754167 0.476295 0.947344 12 h after dark 0.4867325 0.426155 0.54731