condition mean min max 4 h after light 0.00836735 0.0 0.0167347 8 h after light 0.01143565 0.0 0.0228713 12 h after light 0.0 0.0 0.0 4 h after dark 0.010532 0.0 0.031596 8 h after dark 0.03717733333333333 0.0 0.0781024 12 h after dark 0.020498933333333334 0.0 0.0459164