Tag Archives: rainfall data

A Very Dry Season in California

The pre-Columbian California native people had a mystical and cultural relationship to the climate that did not involve measuring rainfall. The Franciscan fathers were on their own spiritual quest, and while they sometimes recorded wine production at the missions, they didn’t record … Continue reading

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And so goes PDO…

The first thing one notices is that this historical index shows the Pacific Oscillation to be far more medicentennial than decadal. This bears some further work for this wonderful index:  Shen, C., et al. 2006. Pacific   Decadal Oscillation Reconstruction. IGBP … Continue reading

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Data follies continue

During the gold rush in 1849 a couple of doctors and an interesting character, a surveyor/glass blower/instrument maker, began taking rainfall measurements in San Francisco. They sold this data to local newspapers and an almanac. In 1871 the army signal … Continue reading

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