Dear Authors,

You have replied to all referee's comments in a satisfactory manner. Therefore, please proceed and submit an updated version of you manuscript, with changes highlighted, according to your replies.

In your paper, you refer to another paper currently under review, which you made available on your website. For now, I assume that this paper will be published before your manuscript submitted to HESS, such that a proper citation is possible. If not we will have to discuss how to include the information in the citation to your HESS paper.

Yours sincerely, Uwe Ehret

Dear Authors,

Both referees agree that in the revised version of the manuscript, all their comments have been suitably adressed, which makes the paper ready for publication after some techncial corrections (see combined list from both referees below). Please consider these points when you prepare the final version of your manuscript.

Yours sincerely, Uwe Ehret


- p3/l1-5: The sentence “When combining…” seems to be a bit out-of-sync to me, because you are moving from a paper specific statement in the sentence before back to a very general statement. I would recommend to swap and slightly rephrase the first two sentences on p3.
- p6/l4: SRES should be defined here (instead of p7/l25)
- Table 1: Are the indentations (e.g. for “Hydrological model) really needed? I would remove them.
- Table 1: What is R1 to R3?
- p11/l25: I would move the explanations of aleatory and epistemic uncertainty to Section 2.3, where the word aleatory is used the first time
- p14/l24: Should the estimate of q(1) be shown Figure 4?
- p16/l25: …and a discounting…

1. Throughout the paper the term "learning" is used in relation to estimation of distribution parameters. "Estimation" is the commonly used term in statistics.
2. It is not common to include multiplication signs "x" in equations.
3. Text above table 3. I expect you refer to trend in mean annual maximum discharge and not mean discharge.