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Show Sloy.iL SKRVWK FLAGS. A Key to the Displays Hr.iug linng Dp bj Uncle Sum's iVeather Prophet. The weather siaal llas displayed over the board of trade building mean as follows: Number 1 While flag, six feet squnre, indicates in-dicates clear weather. Number 2 Blue flair, six feet square, indL t ates rain or snow. Number 'A white and blue flag (parallel bars "f white and blue), six feet square, indi-calL'S indi-calL'S that local rains or showers will occur, and that the rainfall will not be sreucral. Number 4 Black triangular Hag, four feet at the base aud si feet iu length, always re-iera re-iera to temperature; wheu placed above number 1, ii or 8, indicates warmer weatber; wheu placed below uum-bers uum-bers 1, 2, or 3, indicates colder weather; wheu uot displayed, the In-dicatiouj In-dicatiouj are that the temperature will re. main stationary, or that the change in tern perat.ure will not vary i.e. v.- than four degrees de-grees from the temperature of the same hour oi the preceding day from March to October lnclilsive, and not more than six degrees for the remaining unmthsof tbe year. Number 5, white flag, six fest square, with black square in center, indicates the approach of a sudden and decided fail in temperature. This signal is not to he displayed unless it is expected that the temperature will fall to forty-two degrees, or lower, and is usually ordered at least twenty-four huurs In advance ad-vance of the cold wave. When number 5 is displayed, number 4 tl always otniUed. When displayed on poles, the signals Should be arranged to red downward; wheu displayed from horizontal supports u small streamer should be attached to indicate tbe jjoint from which the signals are to he read. INTKItl'llKTMtlON OF UliW-ATS. No. 1, aloue, iudi. antes lair weather, stationary sta-tionary temperature. No. 9, alone, indicates rain or snow, sta-lioary sta-lioary temperature. No. U, alone, indicates local raiu, station, mrv temperature. No. 1, with No. i above it, indicates fuir weather, warmer. No. 1, with No. -t below it, indicates fair "Weather colder. No. 3,witli No. 4 above it,indieate warmer "weather, ruin or snow. No. 2, with No. 4 below it, Indicates colder "weather, rain or suow. No. 3, with No. 4 above indicates warmer weather with local raliis. , No. 3, with No. 4 below it, indicates colder With local rums. No. 1, with No. . above it. indicates fair Weather, cold wave. No. 2, with No. 5 above it, ludi.ate wet i We.tUcr, coll wuvu. |