. The climate and weather of Baltimore . rijiw yR awonB 9j(1T .niBT 89JBoibni H .wona 89JBDibni 8 SI §nib909iq 9rIJ gniiub fmo)8i9bnuri1 b 5o soagnuDDO 9riJ a9jBDibni T .aiuorf LEGEND. The following explanation applies to U. S. daily weather charts reproducedin this report. The charts are based on simultaneous observations made at8 a. m., 75th meridian time. Black lines are lines of equal temperature (in degrees Fahr.). Red lines are lines of equal atmospheric pressure (in inches). Shaded areas mark the limits of overcast skies. The arrows fly with the wind. R indicates rain. S indicates snow.
. The climate and weather of Baltimore . rijiw yR awonB 9j(1T .niBT 89JBoibni H .wona 89JBDibni 8 SI §nib909iq 9rIJ gniiub fmo)8i9bnuri1 b 5o soagnuDDO 9riJ a9jBDibni T .aiuorf LEGEND. The following explanation applies to U. S. daily weather charts reproducedin this report. The charts are based on simultaneous observations made at8 a. m., 75th meridian time. Black lines are lines of equal temperature (in degrees Fahr.). Red lines are lines of equal atmospheric pressure (in inches). Shaded areas mark the limits of overcast skies. The arrows fly with the wind. R indicates rain. S indicates snow. T indicates the occurrence of a thunderstorm during the preceding 12hours. MARYLAND WEATHER SERVICE 317. Fig. 85.—Typical Cyclone of December 27, 1904.
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