condition mean min max 3 h after light 1.3649833333333334 1.31093 1.41087 6 h after light 1.276184 0.869912 1.5721 9 h after light 1.1383946666666667 0.612699 2.06387 12 h after light 1.2448 0.603633 2.28015 3 h after dark 1.203368 0.711464 1.83813 6 h after dark 1.0893373333333334 0.610782 2.02324 9 h after dark 1.1902613333333334 0.901414 1.37092 12 h after dark 0.9419949999999999 0.63013 1.25386