condition mean min max 3 h after light 1.0876686666666666 0.773476 1.4115 6 h after light 1.659988 0.868654 2.47045 9 h after light 1.5966033333333334 1.2654 1.78894 12 h after light 1.0156495 0.676896 1.26465 3 h after dark 1.0583346666666666 0.755784 1.39536 6 h after dark 0.962395 0.34757 1.70772 9 h after dark 0.9406243333333334 0.60126 1.32369 12 h after dark 1.005163 0.575756 1.43457