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Show 8 IU SAL SERVICE FLAGS. A Key to the Diaplnys llelng Hung f '' Uncle Sam's Weuther Prophet. The weather signal Hags displayed over the board of trade building mean as follows: '."limber 1 White Hag, six feet stpicrc, in- rates clear weather. Number 2 Blue dag, six feet square, Indicates Indi-cates rain or snow. Number 3 white and blOS flag (parallel bars.'f white aud blue), six feet square, indicates indi-cates that local rains or showers will occur, and that the rainfall will not be general. Number 4 black triangular flag, four feet al the base and six feet in length, alway s refers re-fers to temperature; when placed atiove number L, 9 or 3, indicates warmer weather; when placed below numbers num-bers 1, 2, or 3, indicates colder weather; when not displayed, the indications in-dications are that the temperature will re-iii.iin re-iii.iin stationary, or that the change, lu tern peratUTS will not vary more than four degrees de-grees from the temperature of tbe same hour oi the preceding day from March to October iu' Lisivc, and not more tban six degrees for the remaining months of the year. (Number 5, white dag, six fe;t square, with tllack square in center, indicates the approach ; It a udden aud decided fail in temperature. 1, This signal is not to be displayed unless it is expected that tbe temperature will fall to forty-two degrees, or lower, and is usually irdercd at least twenty-four hours lu ad-mace ad-mace of the cold wave. Whcu number 5 is I displayed, number iis always omitted. When displayed on poles, the signals ilieuld be arranged to read downward; when displayed from horizontal supports a small streamer should be attached to indicate tho ! point from which the signals are to be read. IN TL"K Ci.K TAHKIN Of DISTLATS. IfHto, 1, alone, indieantcs fair weather, stationary sta-tionary temperature. No. a, alone, indicates rain or snow, sta-tloary sta-tloary tempcrat lire. ! Sc. 3, alone, indicates local rain, station. try tinperaturc. No 1, with No. 4 above it, indicates fair matter, warmer. So. t, with No. 4 below it, indicates fair weitli ir colder. (jo. (,witl I above it, indicates warmer matll r, rain "i snow. Xo. , with No. -I below it, indicates colder jfesill r, rain or snow. I No. , with No 4 above indicates warmer math r v th local rains. I No. , with No. 4 below it, indicates colder wttk)' Ml ruins. , No , with No. ". above it. indicates fair with r, cold wave. Xu. , with No. 5 above it, indicales wet MtUi r. eold wave. |