. Carnegie Institution of Washington publication. 128 NUCLEATION OF THE DECONTAMINATED ATMOSPHERE. TABLE 62.—Average monthly nucleations. Providence. Block Island. Ratio. Month. « x io-3. «' X IO-3. «/«'. November. December . January . . *February. March .... April .... 53-o 7i-5 AO. 3 <(7-o) 7-1 5-4 13-9 7-9 ^ o 9-7 5-i 5-9 May <(s-i) :;' The February effect, which is merely superimposed at Providence, becomes fundamental at Block Island. The ratios show that it outlasts March and even 0 JI60. Set. Jo*,. £&• Jk&r. Jjpr -% June, % % JSeft. Oct. J\f
. Carnegie Institution of Washington publication. 128 NUCLEATION OF THE DECONTAMINATED ATMOSPHERE. TABLE 62.—Average monthly nucleations. Providence. Block Island. Ratio. Month. « x io-3. «' X IO-3. «/«'. November. December . January . . *February. March .... April .... 53-o 7i-5 AO. 3 <(7-o) 7-1 5-4 13-9 7-9 ^ o 9-7 5-i 5-9 May <(s-i) :;' The February effect, which is merely superimposed at Providence, becomes fundamental at Block Island. The ratios show that it outlasts March and even 0 JI60. Set. Jo*,. £&• Jk&r. Jjpr -% June, % % JSeft. Oct. J\f*J. FIG. 103.—Average monthly nucleations at Providence in thousands per cubic centi- meter from October, 1902, to May, 1905. The lower curve shows corre- sponding results taken at Block Island. 87. Average monthly nucleations.—The properties of the new curve just referred to appear more obviously if the monthly averages are drawn in their dependence on time, as is done in table 62 and in figure 103. In the latter the data for 1902-3 and 1903-4 are included, the points of the different curves being suitably distinguished. The tendency to reach a maximum in December appears in all these curves, but the curve for 1904-5 departs from them in its pronounced march toward the duplicate maximum in February, after which, however, there is clear agreement between the 1903-4 and 1904-5 curves, neither of which falls to the low nucleations for March, April, etc., in Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
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