condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.01715735 0.0 0.0343147 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.03541763333333334 0.0 0.0744056 12 h after dark 0.0 0.0 0.0