Research Article

Evaluation of the Existing Solar Energy and Rainwater Potential in the Total Roof Area of Buildings: Izmit District Example

Table 2

Solar radiation values of Kocaeli province (1928–2017) [66].

MonthsMonthly average solar radiation intensity on inclined surface (kWh/m2)

January1.2479
February1.78637
March2.66443
April3.52738
May4.50663
June5.13232
July5.05905
August4.41707
September3.63321
October2.32135
November1.48283
December1.08275