Expand San Francisco Dwtn, US San Francisco Dwtn, US San Francisco DwtnChange location Precipitation stripe Data sourcesLocation Warming anomaly — Heating score 4 Record high 2017 Recent observations View Loading… Climate stripe Add Chart all dataGrouping Year Year and month Month Day Axes Aggregation Grouping days Half-yearly Quarterly Monthly (28 days) Fortnightly Weekly Threshold (%) Override preset threshold Reset Download Loading… Change location