Current Precipitation Frequency Information and Documents for OKLAHOMA
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Memorandum NWS Hydro 35, Five
to 60-minutes Precipitation Frequency for Eastern and Central
United States (1977). Precipitation-frequency values for
the Central and Eastern United States for return periods from
2 to 100 years for durations of 5 minutes to 1 hour are provided
in a series of maps and graphs. This material supersedes the
similar material published in Technical Paper 40.
1 hour - 24 hour
Technical Paper 40, Rainfall Frequency Atlas
of the United States for Durations from 30 minutes to 24 Hours
and Return Periods from 1 to 100 Years (1961). Rainfall-frequency
values for selected durations from 30 minutes to 24 hours
and return periods of 1 to 100 years are given on a series
Technical Paper 49, Two-to-Ten-Day Precipitation for Return Periods of 2 to 100 Years in the Contiguous United States (1964)