condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.0473523 0.0 0.0947046 8 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.094602 0.0 0.189204 12 h after dark 0.04691805 0.0 0.0938361