condition mean min max 4 h after light 13.09664 12.987680000000001 13.24417 8 h after light 12.758363333333334 12.72011 12.82512 12 h after light 11.88377 11.86735 11.89658 4 h after dark 11.871216666666667 11.73825 11.99062 8 h after dark 12.815026666666666 12.72222 12.88804 12 h after dark 13.05793 12.94842 13.212720000000001