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100 2. THE SOLAR RESOURCE AND METEOROLOGICAL PARAMETERS
FIGURE 2.14 Relationship between global/diffuse irradiance on the horizontal surface
and direct normal irradiance during a clear day [15].
FIGURE 2.15 Relationship between global/diffuse irradiance on the horizontal surface
and direct normal irradiance during a cloudy day [15].
2.8 VARIOUS SPECIAL CLIMATE CONDITIONS
IN THE PLANT AREA
During site selection, except for DNI determination, the following
parameters shall also be provided to the design unit and the equipment
manufacturer for reference in equipment design and type selection. The
mean monthly parameter values since meteorological records began, shall
be recorded in Tables 2.18 and 2.19.
