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Table 1 Drought periods used for extreme drought scenarios and associated anomalies from the long-term mean (1910–2016) for climate and hydrologic variables

From: Characterizing drought in California: new drought indices and scenario-testing in support of resource management

   Difference from long-term mean (1910–2016)
Drought period Number of years Maximum air temperature Precipitation Soil water deficit Climatic water deficit Recharge plus runoff
(Water years)   °C Percentage
1929–1936 8 0.60 − 20 − 7 2 − 31
1976–1977 2 0.41 − 51 − 7 0 − 85
1986–1992 7 0.07 − 17 − 1 4 − 25
2012–2016 5 0.62 − 21 0 10 − 29