condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.07822383333333334 0.0 0.469343 10 h after light 0.07229716666666666 0.0 0.433783 14 h after light 0.067314 0.0 0.403884 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0