condition mean min max 0 h after light 0.5514 0.0 1.1028 4 h after light 1.66732 1.0873 2.24734 8 h after light 1.2127685000000001 0.898067 1.52747 4 h after dark 1.4101599999999999 1.08737 1.73295 8 h after dark 1.3060925 0.657165 1.95502 12 h after dark 0.653595 0.646398 0.660792