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Statistics

Statistics by country and year

Daily data from 1879 to

Download this tab’s data (CSV)
LDC
Low-water mark. The river stays above it on 94 of 100 ice-free days; below it, ships cannot sail fully loaded.
HDC
High-water mark. The river exceeds it on 1 day in 100; above it, navigation can be suspended.
Station-days
One station-day is one station measured for one day: 13 stations over 10 days make 130 station-days. It shows how widely and how long something lasted.

Irrigation season 2026: Serbia spent the longest below LDC, 68 % of days

Irrigation season (April–September)

Station-days below LDC in the irrigation season, by country and year, against the average of the other years; the longest uninterrupted spells below LDC.

2026Meanbelow LDC in season
Irrigation season (April–September) 2026
countriesstation-days in seasonbelow LDC in season%vs. average
Germany1,8301,23668%+56 pp
Austria36600%-1 pp
Hungary3,6602,18260%+59 pp
Serbia1,9871,35868%+59 pp
Romania2,3791,19450%+39 pp

Longest spells below LDC

Uninterrupted periods of at least 5 days below LDC, by station.

Longest spells below LDC
StationcountriesFromTodays
CalafatRomania2026-06-262026-11-04132
BechetRomania2026-06-282026-11-04130
CorabiaRomania2026-06-292026-11-04129
OltenițaRomania2026-06-292026-11-04129
GiurgiuRomania2026-06-302026-11-04128
HârșovaRomania2026-07-032026-11-04125
BrăilaRomania2026-07-032026-11-04125
GalațiRomania2026-07-032026-11-04125
CernavodăRomania2026-07-032026-11-04125
IsacceaRomania2026-07-042026-11-04124

The daily series uses the first reading of each day.