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  • Users: Hqdo
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  1. Hqdo

    Convert Precipitation to IDF

    Cool TS, I found some great info. !there is a very old document called rainfall in Burma in 1965, wondering how reliable it is after 50 years, but it will definitely good supporting doc for a very rough assumptions. Thanks
  2. Hqdo

    Convert Precipitation to IDF

    Yes Beej, you got it, we don't have that luxury to get every data we need, not even basic set of data. In the worst scenario, I will use nearby country available IDF, pick out an area with similar geographic/climate characteristics.
  3. Hqdo

    Convert Precipitation to IDF

    Thanks all, now I understand what to explain and request from Client.
  4. Hqdo

    Convert Precipitation to IDF

    Thanks Beej, until when I get more data, for now I was wondering if I can make the following rough assumptions: 1. The data is 1-yr storm event 2. Heaviest rain is in Oct of 7.3 inch, 7 rainy days in the month -> 7.3/7 = 1.1 inch -> 1-Yr storm, 24 hr storm duration Thanks
  5. Hqdo

    Convert Precipitation to IDF

    Thanks Peter, I will ask local government for more rainfall amount from 5min to 24hr. The worst case do you think 60min is okay to use it as 1hr design point rain fall? What about frequency? do you think the probability of rainny day comes with the data set will give us safe assumption about...
  6. Hqdo

    Convert Precipitation to IDF

    Dear all experts, I'm civil engineer an have very basic understanding of hydrology. In my past with hydrology/hydraulic cals, IDF were given. This time, I work on a project oversea that requires some basic drainage cals but all I have is precipitation data from this website...

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