CHAPTER 5 



SIGMA-t, STATION 88, 1975 



u 



Jan Feb fAar Apr May ' Jun ' Jul ' Aug Sep Oct Nov Dec 



FIGURE 5-lA — Sigma-J vs. time at station 88 in 1975 



SIGMA-t, STATION 88, 1976 



H- 



+ 



Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 



FIGURE 5-lB.— Sigma-f vs. time at station 88 in 1976. 

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