Solar Irradiance Data: Tokyo
10 to 12
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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Tokyo | 10 | 1.28 | 4.08 | 3.28 | 17.8 | 0.46 | temperate | 35.7 | 139.7 | 3.28 | 3.88 |
| Tokyo | 11 | 1.01 | 3.52 | 2.68 | 12.8 | 0.42 | temperate | 35.7 | 139.7 | 2.68 | 3.52 |
| Tokyo | 12 | 0.88 | 3.08 | 2.28 | 7.2 | 0.39 | temperate | 35.7 | 139.7 | 2.28 | 3.28 |
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