condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.054342933333333336 0.0 0.0917341 12 h after light 0.0338565 0.0 0.0764903 4 h after dark 0.0 0.0 0.0 8 h after dark 0.025453533333333334 0.0 0.0763606 12 h after dark 0.0 0.0 0.0