{"schemaVersion":"report-figure-v1","report":{"slug":"solar-soiling","title":"Rain, Dust and Soiling: The Cleaning Your Climate Does For Free","url":"https://solaranalytica.com/solar-soiling","datePublished":"2026-05-14","lastReviewed":"2026-07-28"},"figure":{"id":"dry-period-soiling-rate","title":"Dry-period soiling rate, % of yield per day","unit":"%","caption":"Dry-period soiling rate, % of yield per day. A factor of fourteen separates the Sahel and the wet tropics; Bamako is a West African savanna proxy, stated as such in the data.","series":[{"label":"Bamako (Sahel)","value":0.7},{"label":"Abu Dhabi","value":0.6},{"label":"Santiago","value":0.6},{"label":"Cairo","value":0.5},{"label":"Jodhpur","value":0.44},{"label":"Atacama coast","value":0.31},{"label":"Phoenix","value":0.25},{"label":"Madrid","value":0.16},{"label":"Singapore","value":0.06},{"label":"Bogota","value":0.05}]},"csv":"https://solaranalytica.com/reports/solar-soiling/figures/dry-period-soiling-rate/data.csv","publicationState":"fixed-edition","boundary":"The figure remains bound to the report edition. A newer upstream release creates a review obligation and never rewrites these rows automatically."}