Spreadsheet of monthly historical climate-anomaly timeseries (1950-2005) and standardized drought indices derived from the SFWMD Super-grid datasets

The South Florida Water Management District (SFWMD) and the U.S. Geological Survey (USGS) have evaluated projections of future droughts for south Florida based on climate model output from the Multivariate Adaptive Constructed Analogs (MACA) downscaled climate dataset from the Coupled Model Intercomparison Project Phase 5 (CMIP5). As part of this study, historical drought characteristics were evaluated based on gridded observational datasets of monthly precipitation and reference evapotranspiration (ETo) called the SFWMD Super-grid which were provided by the SFWMD. A Microsoft Excel workbook is provided which tabulates monthly historical climate-anomaly timeseries and standardized drought indices for the period January 1950 through December 2005. Anomaly timeseries are provided for precipitation, reference evapotranspiration (ETo), and balances (precipitation - ETo) averaged over regions of interest. The anomaly timeseries are computed as the departure from the long-term monthly means for the period 1950-2005. Climate data are derived from the SFWMD Super-grid datasets for four regions: (1) the entire South Florida Water Management District (SFWMD), (2) the Lower West Coast (LWC) water supply region, (3) the Lower East Coast (LEC) water supply region, and (4) the Okeechobee plus (OKEE+) water supply meta-region consisting of Lake Okeechobee (OKEE), the Lower Kissimmee (LKISS), Upper Kissimmee (UKISS), and Upper East Coast (UEC) water supply regions in the SFWMD. Anomaly timeseries are provided for precipitation, reference evapotranspiration (ETo), and balances (precipitation - ETo) averaged for every region of interest from the SFWMD Super-grid. The anomaly timeseries are computed by subtracting the historical climatology (that is, long-term monthly averages for each month of the year for the period 1950-2005; 12 values corresponding to Jan.-Dec.) for the specific meteorological variable from the 1950-2005 monthly timeseries.

[
  "010:12"
]

[
  "geospatial"
]