Digital Data Sets of Depth-Duration Frequency of Precipitation for Oklahoma, USGS OFR 99-463.
These geospatial data sets consist of surface grids
of precipitation depths for seven frequencies at 12
durations used in a regional precipitation frequency analysis
for Oklahoma. Eighty-four depth-duration-frequency surfaces
were interpolated from precipitation-station data. The grid-cell
spacing is 2,000 meters. …