104 



N CLIMATOLOGY 



TYPE I 



MID-LATITUDE COASTAL 



WASHINGTON, D.C. 



TYPE II 

 SUBTROPICAL - SAVANNA 

 MIAMI, FLA. 



TYPE m 



MONSOON -SUDAN 

 JODPHUR, INDIA 



TYPE EZ: 

 SEMI-ARID MOUNTAIN 

 DENVER, COLO. 



TYPE Y TYPE 21 



CONTINENTAL -POLAR ISOTHERMAL EQUATORIAL 

 OSLO, NORWAY CANTON ISL., S. PACIFIC 0. 



JFMAMJJASONOJ JFMAMJJASONDJ JFMAMJJASONOJ 

 Figure 4.14. Representative annual cycles of Ns /or the major climatic types. 



Another measure of the variation of monthly mean values of N ^ is 

 obtained by differencing the maximum and minimum values occurring for 

 a given month during the 5-year period. These differences are also given 

 in table 4.9 for the months of February, May, August, and November. 



Table 4.4. Year-to-year differences of monthly mean Ns 



*Climatic types are the same as those in table 4.3. 



