═════════╤═════╤═════╤═════╤═════╤═════╤═════╤═════╤═════╤═════╤═════╤═══════ │1880.│1881.│1882.│1883.│1884.│1885.│1886.│1887.│1888.│1889.│Ten-yr. │ │ │ │ │ │ │ │ │ │ │ av. ─────────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────── January │ .38│ .31│ .44│ .37│ .33│ .27│ .32│ .26│ .30│ .25│ .323 February │ .32│ .31│ .42│ .39│ .33│ .28│ .29│ .25│ .29│ .26│ .314 March │ .30│ .32│ .44│ .42│ .31│ .29│ .30│ .24│ .29│ .25│ .316 April │ .28│ .35│ .49│ .41│ .30│ .32│ .27│ .25│ .30│ .23│ .320 May │ .38│ .38│ .52│ .41│ .32│ .34│ .28│ .25│ .35│ .23│ .339 June │ .29│ .38│ .52│ .35│ .32│ .33│ .27│ .26│ .32│ .22│ .326 July │ .25│ .41│ .57│ .32│ .30│ .27│ .30│ .26│ .31│ .22│ .321 August │ .25│ .36│ .48│ .27│ .27│ .24│ .26│ .25│ .28│ .20│ .286 September│ .29│ .42│ .34│ .27│ .25│ .26│ .25│ .25│ .24│ .19│ .276 October │ .31│ .45│ .34│ .28│ .27│ .25│ .24│ .26│ .24│ .19│ .283 November │ .31│ .44│ .36│ .30│ .26│ .29│ .26│ .28│ .26│ .20│ .296 December │ .31│ .45│ .38│ .33│ .24│ .28│ .25│ .30│ .26│ .21│ .301 ─────────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────── Yearly │ .300│ .382│ .442│ .344│ .292│ .285│ .274│ .259│ .287│ .221│ .308 aver. │ │ │ │ │ │ │ │ │ │ │ ─────────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴───────