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Monitoring Station Details: 206

Koksilah River at Port Renfrew Road

Government of British Columbia - Water quality monitoring program
Dataset Catalog Metadata:

PSF ID: SWP_DTS_A010

Dataset Name: WaterTemperature

Provider Organization: Government of British Columbia

Program / Project: Water quality monitoring program

Count Sites: 266

Open Access: Y

FAIR Access: N

Digital Identifier: —

Date Catalog: 2023-11-22

Date PSE: –

Station Data:

ID: 206

Name: Koksilah River at Port Renfrew Road

Site UID: KOK002

Latitude: 48.64300000

Longitude: -123.73800000

Elevation (m): –

Start Year: 2012

End Year: 2021

Timezone: UTC

Provider Organization: Government of British Columbia

Drainage: –

Land Classification: –

Water Body Type: stream

Collection Status: decommissioned

# Temperature Records: 73,353

# Days of Data: 3,057

Indigenous Territories:

(no records added yet)
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Water Temperature Time Series (Raw Data)

The following graph shows the raw temperature time series for this station. Use the date range selector to filter by specific dates, or click and drag on the chart to zoom in. Double-click to reset the zoom. Yellow highlighted regions indicate gaps in the data where values were out of range or missing.

Reset (last 10000)
Showing most recent 10,000 records (10,000 points).
Daily Summaries of Water Temperature

Daily summary statistics (mean, min, max) for each day of the year, plotted across all available years. Click the button below to load and display the chart.

Monthly Summaries of Water Temperature

The following table shows the mean, min, and max year-month summary statistics. Select "All months" from the dropdown to show the entire series, or filter by a specific month to compare values across years. The plot shows the mean monthly temperature for each year-month combination (solid lines) with shading indicating the min and max values for that month.

Year Month Monthly Mean Monthly Min Monthly Max
2012 Aug 14.0 12.2 16.1
2012 Sep 12.7 9.7 15.9
2012 Oct 8.4 6.2 13.3
2012 Nov 6.1 3.1 9.6
2012 Dec 4.1 0.4 6.3
2013 Jan 2.5 0.9 3.9
2013 Feb 3.6 2.5 4.6
2013 Mar 4.5 3.0 7.0
2013 Apr 6.6 4.1 9.8
2013 May 10.5 5.5 14.3
2013 Jun 12.9 9.3 17.4
2013 Jul 17.3 13.0 21.1
2013 Aug 17.0 13.8 21.1
2013 Sep 14.0 9.4 17.6
2013 Oct 7.8 4.6 10.5
2013 Nov 5.3 2.4 7.9
2013 Dec 2.5 0.0 6.1
2014 Jan 3.7 1.1 5.9
2014 Feb 2.3 0.0 4.0
2014 Mar 4.1 2.2 5.8
2014 Apr 6.6 4.3 9.5
2014 May 10.7 7.5 14.3
2014 Jun 14.1 11.7 17.9
2014 Jul 17.5 14.0 22.8
2014 Aug 17.7 14.5 21.9
2014 Sep 13.8 10.4 16.7
2014 Oct 11.1 7.9 14.2
2014 Nov 6.0 1.8 10.0
2014 Dec 5.0 1.6 7.5
2015 Jan 4.7 1.8 6.9
2015 Feb 6.1 3.9 7.8
2015 Mar 6.2 2.6 9.2
2015 Apr 7.3 5.0 10.7
2015 May 12.4 7.8 18.6
2015 Jun 16.6 12.5 22.8
2015 Jul 18.4 14.3 23.7
2016 Aug 17.1 14.2 21.0
2016 Sep 13.2 9.4 17.4
2016 Oct 9.3 5.5 11.9
2017 Sep 14.3 10.2 19.5
2017 Oct 8.4 5.5 13.1
2017 Nov 5.6 1.8 8.4
2017 Dec 3.5 0.4 6.7
2018 Jan 4.0 2.7 4.9
2018 Feb 5.0 4.0 6.0
2019 Jul 17.6 16.9 18.3
2019 Aug 17.4 14.3 21.7
2019 Sep 13.9 7.5 18.4
2019 Oct 7.4 3.0 10.8
2019 Nov 5.3 0.4 8.3
2019 Dec 5.0 1.3 6.7
2020 Jan 4.0 0.1 6.5
2020 Feb 3.9 2.1 5.3
2020 Mar 4.0 1.1 6.4
2020 Apr 7.2 3.7 10.3
2020 May 10.8 6.8 15.5
2020 Jun 13.5 10.0 19.0
2020 Jul 16.5 12.8 21.7
2020 Aug 16.8 13.3 20.7
2020 Sep 14.4 10.4 17.8
2020 Oct 9.6 4.5 12.9
2020 Nov 6.2 4.4 9.8
2020 Dec 4.9 2.9 7.0
2021 Jan 5.3 4.9 5.7
Yearly Summaries of Water Temperature

The following tables show basic annual summary statistics for water temperature at this station. See the metric definitions below for details.

Basic Annual Statistics
Year Mean Annual Temp (MAT) Min Max SD Max Daily Range Day of Min Day of Max (n) Records
2012 8.1 0.4 16.1 3.7 3.3 Dec 19 Aug 26 3,093
2013 8.8 0.0 21.1 5.4 4.6 Dec 6 Jul 25 8,677
2014 9.5 0.0 22.8 5.4 4.3 Feb 5 Jul 16 8,674
2015 10.2 1.8 23.7 5.4 4.8 Jan 1 Jul 3 5,035
2016 13.2 5.5 21.0 3.4 4.1 Oct 12 Aug 14 2,069
2017 7.9 0.4 19.5 4.4 5.0 Dec 24 Sep 5 2,927
2018 4.2 2.7 6.0 0.7 1.4 Jan 1 Feb 5 877
2019 9.8 0.4 21.7 5.3 4.1 Nov 30 Aug 7 3,678
2020 9.3 0.1 21.7 5.0 4.1 Jan 15 Jul 21 8,761
2021 5.3 4.9 5.7 0.2 0.8 Jan 5 Jan 5 132
Custom summary metrics for aquatic ecology

The following table shows additional annual summary statistics commonly used in fisheries and aquatic science, including thermal thresholds and rolling weekly averages.

Year Maximum Weekly Avg. Mean Temps (MWAT, 7-DADA, C) Maximum Weekly Avg. Max Temps (MWMT, 7-DADM, C) Mean Aug Temp (C) Days Above 15C (n) Days Above 19C (n) 95pct Daily Mean Temp (C) (n) Records
2012 14.1 15.5 14.0 9 0 14.1 3,093
2013 18.6 20.6 17.0 85 31 17.9 8,677
2014 19.8 22.1 17.7 102 40 18.3 8,674
2015 20.3 23.0 — 68 29 19.6 5,035
2016 18.5 20.6 17.0 38 13 18.4 2,069
2017 17.6 18.8 — 14 2 16.6 2,927
2018 4.9 5.3 — 0 0 5.5 877
2019 18.5 20.8 17.4 46 13 17.9 3,678
2020 18.6 20.8 16.8 95 28 18.1 8,761
2021 — — — 0 0 5.5 132
Metric Definitions
Mean Annual Temp (MAT)
Mean annual temperature calculated from all records in the year.
Min
Minimum annual temperature recorded.
Max
Maximum annual temperature recorded.
SD
Standard deviation of yearly temperature values.
Max Daily Range
Maximum of daily range (maximum difference between the daily maximum and daily minimum temperatures).
(n) Records
Number of records in the year used to compute annual statistics.
MWAT (7-DADA)
Maximum Weekly Average Temperature. Annual maximum identified from a 7-day rolling average of daily mean temperatures.
MWMT (7-DADM)
Maximum Weekly Maximum Temperature. Annual maximum identified from a 7-day rolling average of daily maximum temperatures.
Mean Aug Temp
Annual mean of August daily mean temperatures.
Days Above 15C
Count of days where the daily maximum temperature exceeds 15°C.
Days Above 19C
Count of days where the daily maximum temperature exceeds 19°C.
95pct Daily Mean Temp
Value representing the 95th percentile of daily mean temperatures.