Forest Ecosystem Monitoring Cooperative(802) 656-0683femc@uvm.eduwww.uvm.edu/femc705 Spear StreetSouth BurlingtonVermont05403United States of AmericaStandardised Precipitation Evapotranspiration Index (SPEI ) leadStandardized Preciptation-Evapotranspiration Index of DroughtThe Standardized Precipitation-Evapotranspiration Index (SPEI) is a multiscalar drought index based on climatic data. It can be used for determining the onset, duration and magnitude of drought conditions with respect to normal conditions in a variety of natural and managed systems such as crops, ecosystems, rivers, water resources, etc.Standardized Preciptation-Evapotranspiration Index of Droughtclimate changeprecipitationtemperaturemonitoringdrought indexspeiVermont Growing Season SPEI1951-01-012017-12-31Extract of SPEI growing season (April-Sept) drought index values for Vermont, with annual mean values and the long-term mean (1951-present).The SPEI is a multiscalar drought index based on climatic data. It can be used for determining the onset, duration and magnitude of drought conditions with respect to normal conditions in a variety of natural and managed systems such as crops, ecosystems, rivers, water resources, etc. These data were summarized for the Vermont Forest Indicators Dashboard, available at uvm.edu/femc/indicators/vt. Z1242_2507_EI4GJ1VMC.1242.2507mySQLVicente-Serrano, S. M., Gouveia, C., Camarero, J. J., Begueria, S., Trigo, R., Lopez-Moreno, J. I., … Sanchez-Lorenzo, A. (2013). Response of vegetation to drought time-scales across global land biomes. Proceedings of the National Academy of Sciences, 110(1), 52–57. https://doi.org/10.1073/pnas.1207068110https://www.uvm.edu/femc/CI4/data/archive/project/spei-drought/dataset/vermont-spei-extractLTMeanLong-Term Meandecimal0.00001YearYeardateYYYYYrMeanYearly Meandecimal0.00001