condition mean min max 3 h after light 0.5998443333333333 0.514925 0.646743 6 h after light 0.31491043333333335 0.0803423 0.508875 9 h after light 0.516498 0.485351 0.534617 12 h after light 0.885602 0.275538 1.41612 3 h after dark 1.21375 0.5862 1.78218 6 h after dark 1.44495 1.25228 1.68545 9 h after dark 1.40768 1.31108 1.49751 12 h after dark 0.5519173333333334 0.289953 0.982145