condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 1.9352 0.0 5.8056 9 h after light 7.87113 0.0 17.2527 12 h after light 2.694425 0.0 10.7777 3 h after dark 0.0 0.0 0.0 6 h after dark 10.1057 0.0 18.9037 9 h after dark 4.010566666666667 0.0 12.0317 12 h after dark 3.270825 0.0 6.54165