. The climate and weather of Baltimore . \ ^ I ^ t / / V / \/ \ f \ -? \ / \ 5 / 1 \ ( 1 \ r ~\ 1 1 1 1 1 DEPARTURES OF MEAN MONTHLY FROM Nt)RM.\L FOR 87 YEARS. MARYLAND WEATHER SERVICE. 1860 1861 1862 Jan. Apb. julv Oct. jaw. Apr July Oct. jam Apr. Ji VOLUME 2, PLATE VI,1863 1864 )Lv Oct. Jan. Apr. July Oct. Jan. Apr. July Oct. jan 1866. 88 THE CLIMATE OF BALTIMORE true frequency of the larger changes of 10° and above, while the smallerchanges are below the true frequenc}-; hence changes in the daily maxi-mum temperature are not a safe guide to the diurnal variability in thegeogr
. The climate and weather of Baltimore . \ ^ I ^ t / / V / \/ \ f \ -? \ / \ 5 / 1 \ ( 1 \ r ~\ 1 1 1 1 1 DEPARTURES OF MEAN MONTHLY FROM Nt)RM.\L FOR 87 YEARS. MARYLAND WEATHER SERVICE. 1860 1861 1862 Jan. Apb. julv Oct. jaw. Apr July Oct. jam Apr. Ji VOLUME 2, PLATE VI,1863 1864 )Lv Oct. Jan. Apr. July Oct. Jan. Apr. July Oct. jan 1866. 88 THE CLIMATE OF BALTIMORE true frequency of the larger changes of 10° and above, while the smallerchanges are below the true frequenc}-; hence changes in the daily maxi-mum temperature are not a safe guide to the diurnal variability in thegeographical horizon of Baltimore. In all cases the changes based uponobservation of the maximum temperature from day to day differ mostwidely from those based on changes of the average daily temperature. InFig. 21 and in the following table these results are shown graphically forchanges under 6°, for 6°+, 8°+, 10°+ and 20°+, when the diurnal \ \ \ ! J \ \ \ \ \ / \ ^ \ J \ \ \ \ \ > / Fig. 21. —Diurnal Changes of Temperature of —6°, 6° + , S° + , 10° + , 20° + . Fig. 21 shows the frequency of stated changes in the temperature from day to day whenbased on the minimum timperature of two successive dajs, on the mean temperature, onthe 8 a. m., on the 8 p. m., and on the maximum temperature, respectively. See also Fig-. 20,and Table
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