Estimating Angstrom-Prescott Coefficients for India and Developing a Correlation between Sunshine Hours and Global Solar Radiation for India

Table 4

Estimates of annual global solar radiation for selected meteorological stations in India.

Location	Average annual 𝑛/𝑁	a	b	𝑎+𝑏	Annual 𝐻meas; MJm^−2day^−1	Annual 𝐻cal; MJm^−2day^−1
Delhi	0.74	0.1310	0.6043	0.7353	18.25	18.44
Jodhpur	0.82	0.1257	0.6002	0.7259	19.97	20.09
Jaipur	0.79	0.3359	0.3328	0.6687	19.42	19.62
Ahmedabad	0.81	0.1212	0.5822	0.7034	19.30	19.56
Mumbai	0.76	0.1053	0.5698	0.5751	18.25	18.40
Kolkata	0.70	0.0518	0.6443	0.6951	16.17	16.48
Pune	0.76	0.0963	0.6315	0.7252	19.51	19.80
Average		0.1382	0.5664	0.7046