Water Data

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St. John River at Frank Diggs
Area10862 km2
Stream Length338 km
Start Date3/3/2013
End Date12/3/2026
Mean Flow252.93 m3/s
Mean Annual Catchment Runoff734 mm
Mean Specific Flow23 l/skm2
Minimum daily flow1.483 m3/s, 21-02-2022
Maximum daily flow1545 m3/s, 03-10-2024
Water YearMay to April
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St. John River at Frank Diggs
Average annual streamflow (m3/s)
(m3/s)
water year (may to april)
difference from mean annual streamflow (m3/s)
(m3/s)
water year (may to april)
mean monthly streamflow (m3/s)
(m3/s)
water year (may to april)
percentage of mean annual flow volume (%)
(%)
water year (may to april)
average daily streamflow (m3/s)
(m3/s)
daily flow duration curve (m3/s)
(m3/s)
St. John River at Frank Diggs
Basin06 Saint John
RiverSaint John
StationFrank Diggs
LHS ID06SJ001
Location9.526 °N 6.466 °W
GaugeManual staff gauge
Rating CurveRating Curve developed with 34 flow measurements within the range 32.7m3/s to 855m3/s
Area10862 km2
Stream Length338 km
Max elevation1730 m
Min elevation170m
Start Date3/3/2013
End Date12/3/2026
Mean Annual Catchment Runoff734 mm
Mean Specific Flow23 l/skm2
Water YearMay to April
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2017.10.26_06SJ001_3 DSC02748 SJ001_12-03-12_7