Solar Irradiance Data: London
Monthly average solar irradiance for 23 representative global locations — GHI, DNI, DHI, tilt irradiance, peak sun hours, clearness index, and temperature. TMY-style reference data for PV system design and solar energy analysis. Each location has 12 monthly records (month=1-12) plus one annual summary row (month=0).
| location | month | DHI kWh per m2 per day (kWh/m2/day) | DNI kWh per m2 per day (kWh/m2/day) | GHI kWh per m2 per day (kWh/m2/day) | avg temp C (C) | clearness index Kt | climate zone | latitude deg (deg) | longitude deg (deg) | peak sun hours (h/day) | tilt latitude kWh per m2 per day (kWh/m2/day) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| London | 1 | 0.48 | 0.68 | 0.72 | 4.8 | 0.2 | temperate | 51.5 | -0.1 | 0.72 | 0.98 |
| London | 2 | 0.78 | 1.38 | 1.28 | 5.2 | 0.28 | temperate | 51.5 | -0.1 | 1.28 | 1.62 |
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