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NOAA Durations

InfoDrainage supports only a limited subset of NOAA Atlas 14 storm durations: 360 minutes (6 hours), 720 minutes (12 hours), 1440 minutes (24 hours), and 5760 minutes (4 days). However, NOAA Atlas 14 provides a broader range of precipitation durations, from 5 minutes up to 60 days.

Feature Request:
Expand the software’s storm duration options to include the full set of durations provided in NOAA Atlas 14 Point Precipitation Frequency Estimates. This includes:

  • Short durations: 5 min, 10 min, 15 min, 30 min, 60 min

  • Moderate durations: 2 hr, 3 hr, 6 hr, 12 hr

  • Extended durations: 2 day, 3 day, 4 day, 7 day, 10 day, 20 day, 30 day, 45 day, 60 day

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