Solar Irradiance Data: Houston
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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Houston | 10 | 1.48 | 5.28 | 4.21 | 22.4 | 0.55 | subtropical | 29.8 | -95.4 | 4.21 | 5.01 |
| Houston | 11 | 1.28 | 4.21 | 3.28 | 16.8 | 0.5 | subtropical | 29.8 | -95.4 | 3.28 | 4.38 |
| Houston | 12 | 1.18 | 3.68 | 2.88 | 12.8 | 0.48 | subtropical | 29.8 | -95.4 | 2.88 | 3.98 |
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