The monthly mean daily solar irradiation on a horizontal plane at New York (lati- tude 40.7N) and Chania, Greece (latitude 35.5N), are listed in the table in units of Wh/m/day: Jan Feb Mar April May June July Aug Sep Oct Nov Dec New York 1.9 2.7 3.8 4.9 5.7 6.1 6.0 5.4 4.3 Chania 2.4 3.10 5.0 6.2 7.3 8.4 8.3 7.6 5.8 4.1 3.2 2.0 1.6 2.7 2.0 a) Determine the mean daily solar radiation outside the Earth atmosphere.for each month of the year and the corresponding clearness index kr. b) Determine the daily global radiation for angles of incidence in the range of 0-90, assuming a ground reflectivity of 0.2 (create a table showing monthly values).