au m RR R RRR R RRR Ree ee | The mean monthly w! 8575,90 ratios are listed In Table 10, Considering the same three months es above, It Is notable thet, le The southernmost band shows e@ markedly lower ratio than the other bands, 2. The maximum ratio appears In the eque- 3. in the three northernmost bends, two fortal bend, peaks appear, In September end November, The end of this period should represent streto- spheric failout, es tropospheric material shold be very low by October and November. Interpretation of the data and the indications noted Is largely a meteorological problem and witl not be attempted here.

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