NORMAL (1946-1969) JUL 



Figure 26g.— July Normal and 1974 Monthly Average Surface Pressure in mbs Relative to 



1000 mbs. 



XNOR 



ORMAL (1946-1969) AUG 



Figure 26h.— August Normal and 1974 Monthly Average Surface Pressure in mbs Relative to 



1000 mbs. 



59 



