Fig. 3.12   Summer and spring mean seasonal temperatures in San Fernando show increase over time. Spring temperatures remained stable and fall temperatures were in decline. Temperature data in San Fernando ceased to be recorded in 1973 and major gains in temperature were not experienced throughout the Valley until 1975.

Fig. 3.13   Mean temperatures are rising in Burbank for all seasons.

Fig. 3.14   Mean temperatures are rising in North Hollywood for all seasons.

Fig. 3.15   Mean temperatures are rising in Woodland Hills for all seasons.