The monitoring network within this area

Hydrionis holds 315 values from 2 gauges within it. Discharge is a property of a gauge and its reach, not of this drainage area, so this page reports the network and its records rather than a single figure.

Gauges

315

Values held

1922–2026

Record spans

Gauges within the Upper Choctawhatchee huc8 subbasin

2 monitoring points, positioned as the publisher records them.

Flood peaks, as measured

This gauge's flood record, as measured. Unlike a daily mean it is the discharge at the moment the river was highest, which is the figure flood frequency analysis is built on.

Largest measured flow of each year at CHOCTAWHATCHEE RIVER NEAR NEWTON, AL.

The highest instantaneous discharge the publisher recorded in each year — a flood peak as measured, not a daily average of one. 1922–2024.

Show relevant events (1 event)Shading marks when something was recorded, not what caused the line.

Published by the gauge's own operator from its sub-daily record; Hydrionis stores the figure rather than recomputing it. A year the gauge did not cover produces no value rather than a low one, and the gaps are stated below the chart. A peak is a property of this gauge and its reach: a larger flood upstream or downstream of it is not in this series.

What the shaded periods are (1 event)

A shaded period marks when something was recorded, not what caused the shape of the line. Where the two coincide, they coincided.

Documented record — A documented event, compiled from cited sources after it happened. The dates are as good as the record, which for older events can mean the month rather than the day.

Event	Type	Period	Standing	Authority
Hurricane Katrina water and sanitation collapse	Flood	2005-08-29 – 2005-09-30	Documented record	Compiled record

Not shown on this chart

The 1976 drought — This event’s area does not contain this chart’s subject. Sharing a country is not sharing an event, so it is not drawn.
The 2022 drought — This event’s area does not contain this chart’s subject. Sharing a country is not sharing an event, so it is not drawn.
Yorkshire drought — This event’s area does not contain this chart’s subject. Sharing a country is not sharing an event, so it is not drawn.
Cantareira water crisis, São Paulo — This event’s area does not contain this chart’s subject. Sharing a country is not sharing an event, so it is not drawn.
Cape Town Day Zero — This event’s area does not contain this chart’s subject. Sharing a country is not sharing an event, so it is not drawn.
European drought — This event’s area does not contain this chart’s subject. Sharing a country is not sharing an event, so it is not drawn.

View the data behind this chart

Underlying data
Period	CHOCTAWHATCHEE RIVER NEAR NEWTON, AL. (m³/s)
1922	323
1923	374
1924	208
1925	793
1926	416
1927	106
1929	3,115
1935	157
1936	731
1937	459
1939	267
1940	272
1941	73.1
1943	547
1944	354
1945	93.4
1946	413
1947	362
1948	303
1950	110
1951	153
1952	163
1953	677
1955	192
1956	368
1957	476
1958	142
1959	198
1960	388
1961	216
1962	236
1963	236
1964	300
1966	272
1967	323
1968	130
1969	300
1970	555
1971	328
1973	348
1974	289
1975	473
1976	155
1978	716
1979	311
1980	253
1981	257
1982	225
1983	164
1984	184
1985	340
1986	162
1987	104
1988	187
1989	96.6
1990	2,478
1991	286
1992	164
1994	1,722
1995	277
1996	201
1997	210
1998	1,110
2000	66.5
2001	334
2002	66.0
2003	187
2004	105
2005	535
2006	145
2007	165
2008	142
2009	320
2011	81.0
2012	158
2013	251
2014	394
2015	259
2017	337
2018	246
2020	416
2021	175
2022	121
2023	218
2024	246

About this series

Everything below is a property of the data rather than a rating of it. There is deliberately no single confidence score: how much a gap matters depends on what you are about to do with the series, and only you know that.

Source	United States Geological Survey — National Water Information System · US Government work — public domain
How the values came to exist	Measured
Period held	1922–2024
Completeness	82.5% of the periods in that span are held. Gaps are drawn as breaks and never interpolated.
Known gaps	14 separate periods inside 1922–2024 hold no value. The longest runs from 1930 to 1934 — 5 years with no reading. They are drawn as breaks in the line and are never interpolated across.
Continuity	The record begins in 1922 and is not continuous from it: 103 years separate the first value from the last, and 83% of the years between them are held. The span is not the record.
Last read from the publisher	2026-10-01
Redistribution	Permitted by the upstream licences
Commercial reuse	Permitted by the upstream licences. No Hydrionis access tier can widen this.
Methodology	How this was produced

How much of the rain came back out

A discharge in cubic metres per second cannot be compared with anything: the larger number may only mean the larger catchment. Divided by the area draining to the gauge it becomes a depth of water over that land, which answers a question a reader already has — of the rain that fell here, how much came back out as river?

Water leaving the catchment above CHOCTAWHATCHEE RIVER NEAR NEWTON, AL., as a depth

The year's flow spread over the land draining to this gauge, in millimetres — the same unit rainfall is measured in. 1922–2025.

Show relevant events (1 event)Shading marks when something was recorded, not what caused the line.

Computed by Hydrionis from the published annual mean flow and the catchment area the station's own publisher states. It is not a water balance: the difference between rainfall and runoff is not evaporation alone but also change in groundwater storage, water abstracted and taken elsewhere, and water imported by transfer schemes — which is why a catchment can yield more runoff than the rain that fell on it without anything being measured wrongly. A different area figure rescales every value here by the ratio between them.

What the shaded periods are (1 event)

A shaded period marks when something was recorded, not what caused the shape of the line. Where the two coincide, they coincided.

Documented record — A documented event, compiled from cited sources after it happened. The dates are as good as the record, which for older events can mean the month rather than the day.

Event	Type	Period	Standing	Authority
Hurricane Katrina water and sanitation collapse	Flood	2005-08-29 – 2005-09-30	Documented record	Compiled record

Not shown on this chart

The 1976 drought — This event’s area does not contain this chart’s subject. Sharing a country is not sharing an event, so it is not drawn.
The 2022 drought — This event’s area does not contain this chart’s subject. Sharing a country is not sharing an event, so it is not drawn.
Yorkshire drought — This event’s area does not contain this chart’s subject. Sharing a country is not sharing an event, so it is not drawn.
Cantareira water crisis, São Paulo — This event’s area does not contain this chart’s subject. Sharing a country is not sharing an event, so it is not drawn.
Cape Town Day Zero — This event’s area does not contain this chart’s subject. Sharing a country is not sharing an event, so it is not drawn.
European drought — This event’s area does not contain this chart’s subject. Sharing a country is not sharing an event, so it is not drawn.

View the data behind this chart

Underlying data
Period	CHOCTAWHATCHEE RIVER NEAR NEWTON, AL. (mm)
1922	453
1923	537
1924	463
1925	477
1926	596
1936	605
1937	607
1938	379
1939	562
1940	464
1941	280
1942	475
1943	547
1944	634
1945	372
1946	711
1947	754
1948	888
1949	654
1950	290
1951	280
1952	359
1953	686
1954	282
1955	203
1956	353
1957	432
1958	394
1959	423
1960	417
1961	475
1962	400
1963	398
1964	838
1965	483
1966	502
1967	411
1968	226
1969	366
1970	459
1971	759
1972	429
1973	719
1974	535
1975	831
1976	611
1977	519
1978	597
1979	520
1980	450
1981	254
1982	465
1983	571
1984	433
1985	324
1986	249
1987	320
1988	279
1989	416
1990	625
1991	450
1992	534
1993	404
1994	745
1995	419
1996	586
1997	528
1998	687
1999	302
2000	166
2001	384
2002	199
2003	529
2004	332
2005	551
2006	244
2007	224
2008	406
2009	701
2010	431
2011	151
2012	148
2013	550
2014	551
2015	467
2016	487
2017	495
2018	446
2019	301
2020	439
2021	495
2022	270
2023	336
2024	365
2025	209

About this series

Source	United States Geological Survey — National Water Information System · US Government work — public domain
How the values came to exist	Derived Computed by Hydrionis
Period held	1922–2025
Completeness	91.3% of the periods in that span are held. Gaps are drawn as breaks and never interpolated.
Known gaps	One period inside 1922–2025 holds no value: 1927 to 1935, 9 years with no reading. It is drawn as a break in the line and is never interpolated across.
Continuity	The record begins in 1922 and is not continuous from it: 104 years separate the first value from the last, and 91% of the years between them are held. The span is not the record.
Inputs last read	2026-10-01 · when the records this was computed from were last read from their publishers
Calculation date	2026-08-24 · when the calculation method was last versioned, not a reading of any publisher
Redistribution	Permitted by the upstream licences
Commercial reuse	Permitted by the upstream licences. No Hydrionis access tier can widen this.
Methodology	How this was produced

Every gauge Hydrionis holds within this area

Gauges within the Upper Choctawhatchee and what each holds
Gauge	Measures	Values	Record
CHOCTAWHATCHEE RIVER NEAR NEWTON, AL.	catchment area, annual maximum river flow, mean river flow, mean river flow, water year	288	1922–2026
CHOCTAWHATCHEE RIVER NEAR BELLWOOD AL	catchment area, annual maximum river flow	27	1925–2026

How these gauges were attached to this water

Assigned by the publisher to a numbered basin Every gauge here is assigned to this drainage area by its own publisher, which issues the area an official code — 03140201. A drainage area is not a river: it contains the tributaries as well as the main channel, and a gauge in it may be on any of them.

What each gauge’s link to this water rests on
Gauge	Evidence	Established
CHOCTAWHATCHEE RIVER NEAR NEWTON, AL.	Stated by the publisher — USGS site service, huc_cd field — https://waterservices.usgs.gov/nwis/site/ ; named from the USGS Watershed Boundary Dataset 8-digit HU (Subbasin) layer — https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer/4	2026-10-02
CHOCTAWHATCHEE RIVER NEAR BELLWOOD AL	Stated by the publisher — USGS site service, huc_cd field — https://waterservices.usgs.gov/nwis/site/ ; named from the USGS Watershed Boundary Dataset 8-digit HU (Subbasin) layer — https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer/4	2026-10-02

What this record holds

Hydrionis decides which waters get a page, and which of those are offered to search, from what is actually held rather than from how the page reads. Five signals are counted; this record has 2 of them, which makes it a profile, not indexed.

Information-gain signals held for this water body
Signal	Held	Counts
Gauges holding a real record	1	no
Years spanned	105	yes, 20 or more
Values held	315	no
Distinct measurements	4	yes, 2 or more
Publishers measuring it	1	no
Official identifiers	1	recorded, not counted

Use this data

Machine-readable JSON /api/v1/observations/by-subject/gauge-usgs-02361000.json
How to cite this, and who you must credit
How these figures were produced
Request this at a different scale, format or geography

No bulk download is offered here, which is a licence position rather than a product one: at least one contributing publisher does not permit redistribution. The values can be read on the page, cited, and pointed to at source.

Attribution and citation

Suggested citation for Hydrionis

Hydrionis (2026), Upper Choctawhatchee gauge records, accessed 2026-10-05, hydrionis.com/waters/united-states-upper-choctawhatchee/

Cite Hydrionis where you rely on values Hydrionis computed, on the method that produced them, or on the compilation itself. The underlying measurements remain the publishers’ and their attribution requirements apply to you directly.

Recommended, not required. Hydrionis does not claim rights over unmodified public data it relayed, and doing arithmetic on somebody else’s measurements does not make them Hydrionis’s. Cite the version and the access date: the Upper Choctawhatchee gauge records changes as publishers release and as methods are revised, and a citation without both cannot be checked later. Full guidance is on cite and reuse.

None of the contributing licences requires attribution. Crediting the publishers is still good practice and they are listed above.

Where these figures come from

MeasuredHigh confidence2024-12-12

Source: USGS — National Water Information System, USGS site 02361000, annual peak streamflow. Licence: Open.

Method: The instantaneous maximum discharge of each water year as published by USGS, dated to the day it occurred. One value per October-to-September water year; where the publisher lists both a systematic and a historic peak for a year, the larger is the annual maximum. Values the publisher marks as maximum daily averages are not held here, because they are not instantaneous peaks. Values marked as bounded rather than measured are held as censored observations carrying the bound. Cubic feet per second are converted to cubic metres per second and the publisher unit is recorded alongside.

Rating curves are extrapolated at extreme discharges, so the largest values in a peak series carry the largest measurement uncertainty. Data from the U.S. Geological Survey National Water Information System, a work of the United States government and therefore in the public domain.

Retrieved 1 October 2026.