condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.4293415 0.0 1.27971 10 h after light 0.16626616666666666 0.0 0.366596 14 h after light 0.09749866666666666 0.0 0.414328 18 h after light 0.10583983333333334 0.0 0.635039 2 h after dark 0.0 0.0 0.0