Supplementary Dataset: Dual-Panel PV Monitoring Data – 44,662 Samples

This dataset contains 44,662 synchronized samples from a dual-panel PV setup in Egypt (Sep–Jun). Variables: irradiance, temperature, humidity, dust concentration, precipitation, voltage, current, and power. Organized by season: Autumn (27,310), Winter (16,826), Spring (837), Summer (1,689). Supports analysis of soiling, rain cleaning, cloud transients, and seasonal performance.