PSF Tw DB
Login
Monitoring Station Details: 134

Ellison Lake near Inlet

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: 134

Name: Ellison Lake near Inlet

Site UID: 08NM0031

Latitude: 50.00100000

Longitude: -119.38900000

Elevation (m): –

Start Year: 2012

End Year: 2018

Timezone: UTC

Provider Organization: Government of British Columbia

Drainage: –

Land Classification: –

Water Body Type: stream

Collection Status: decommissioned

# Temperature Records: 51,885

# Days of Data: 2,163

Indigenous Territories:

(no records added yet)
Back to Station List
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 May 15.7 9.5 20.7
2012 Jun 15.8 11.6 20.9
2012 Jul 22.0 15.6 27.7
2012 Aug 22.9 18.8 28.2
2012 Sep 18.2 16.1 21.9
2012 Oct 11.0 6.2 17.9
2012 Nov 4.5 2.0 8.3
2012 Dec 1.9 0.1 4.0
2013 Apr 8.3 5.6 15.2
2013 May 15.1 8.6 21.7
2013 Jun 18.5 14.4 22.6
2013 Jul 22.9 19.0 29.4
2013 Aug 23.2 19.7 28.0
2013 Sep 19.5 13.3 25.3
2013 Oct 10.7 6.9 14.2
2013 Nov 4.6 1.8 7.9
2013 Dec 1.1 0.6 2.7
2014 Jan 1.4 0.6 2.1
2014 Feb 1.7 0.5 3.4
2014 Mar 4.1 1.6 6.9
2014 Apr 9.5 5.6 15.6
2014 May 13.7 9.3 18.3
2014 Jun 18.8 15.2 26.1
2014 Jul 23.3 19.2 27.8
2014 Aug 23.3 19.4 29.7
2014 Sep 17.8 15.4 22.3
2014 Oct 12.9 9.5 16.8
2014 Nov 4.9 0.8 10.1
2014 Dec 1.3 0.5 2.3
2015 Jan 1.1 0.4 2.4
2015 Feb 3.2 1.3 5.8
2015 Mar 6.7 3.5 12.8
2015 Apr 10.8 8.1 16.7
2015 May 16.9 11.7 24.9
2015 Jun 22.1 18.4 26.7
2015 Jul 24.0 20.1 28.0
2015 Aug 22.4 18.2 29.0
2015 Sep 16.5 12.8 23.0
2015 Oct 12.0 9.0 15.9
2015 Nov 5.1 1.0 10.5
2015 Dec 1.4 0.9 2.3
2016 Jan 1.0 0.7 1.9
2016 Feb 2.4 0.6 5.2
2016 Mar 6.3 3.5 9.7
2016 Apr 12.4 8.6 19.9
2016 May 16.2 10.9 21.5
2016 Jun 19.7 16.0 27.1
2016 Jul 22.2 18.9 28.2
2016 Aug 23.3 20.4 28.3
2016 Sep 17.6 14.3 23.9
2016 Oct 11.4 8.3 17.2
2016 Nov 7.3 4.6 9.6
2016 Dec 2.1 0.3 5.1
2017 Aug 24.1 23.3 25.4
2017 Sep 18.7 13.6 25.6
2017 Oct 10.4 6.4 18.0
2017 Nov 3.3 0.3 8.4
2017 Dec 1.2 0.0 3.0
2018 Apr 10.5 7.5 14.0
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 14.6 0.1 28.2 7.3 11.2 Dec 14 Aug 6 5,000
2013 13.9 0.6 29.4 7.8 6.4 Dec 10 Jul 23 6,484
2014 11.1 0.5 29.7 8.2 7.8 Feb 12 Aug 6 8,760
2015 11.9 0.4 29.0 8.3 6.6 Jan 2 Aug 14 8,760
2016 12.3 0.3 28.3 7.7 9.4 Dec 14 Aug 5 8,372
2017 9.0 0.0 25.6 7.1 7.1 Dec 20 Sep 1 2,685
2018 10.5 7.5 14.0 1.7 4.1 Apr 23 Apr 20 110
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 24.0 26.0 22.9 133 81 24.0 5,000
2013 25.2 27.9 23.2 147 113 24.6 6,484
2014 25.3 27.6 23.3 153 96 24.1 8,760
2015 25.2 26.9 22.4 150 114 24.5 8,760
2016 24.4 26.5 23.3 168 116 23.9 8,372
2017 22.3 24.5 24.1 37 23 21.9 2,685
2018 — — — 0 0 12.2 110
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.