PSF Tw DB
Monitoring Station Details: 93

Bertrand Creek at Otter Park (HS2)

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: 93

Name: Bertrand Creek at Otter Park (HS2)

Site UID: 08MH0048

Latitude: 49.03800000

Longitude: -122.53400000

Elevation (m):

Start Year: 2019

End Year: 2023

Timezone: UTC

Provider Organization: Government of British Columbia

Drainage:

Land Classification:

Water Body Type: stream

Collection Status: decommissioned

# Temperature Records: 37,437

# Days of Data: 1,561

Indigenous Territories:

(no records added yet)
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
2019 May 15.9 15.0 16.8
2019 Jun 16.8 14.7 18.4
2019 Jul 18.9 17.7 20.1
2019 Aug 18.5 15.9 20.5
2019 Sep 15.5 11.8 18.1
2019 Oct 10.0 7.1 12.1
2019 Nov 6.6 3.8 8.0
2019 Dec 5.5 3.8 6.6
2020 Jan 5.1 3.5 6.6
2020 Feb 6.1 5.4 6.9
2020 Mar 6.5 4.8 8.7
2020 Apr 11.3 8.2 13.8
2020 May 15.7 13.8 17.8
2020 Jun 15.0 13.3 17.6
2020 Jul 17.8 16.1 19.9
2020 Aug 18.0 15.4 20.0
2020 Sep 15.3 13.6 16.2
2020 Oct 10.9 6.1 13.7
2020 Nov 6.5 4.9 8.7
2020 Dec 5.1 3.7 6.3
2021 Jan 5.4 4.0 6.4
2021 Feb 5.1 3.6 6.3
2021 Mar 7.0 6.0 8.5
2021 Apr 10.9 7.7 13.7
2021 May 14.8 13.0 16.5
2021 Jun 17.9 15.8 22.2
2021 Jul 19.5 18.0 21.7
2021 Aug 18.0 15.1 20.4
2021 Sep 14.8 13.5 16.7
2021 Oct 10.9 8.9 13.6
2021 Nov 8.9 7.7 10.0
2021 Dec 6.6 4.9 10.0
2022 Jan 5.8 2.9 7.4
2022 Feb 6.4 5.0 7.5
2022 Mar 7.8 5.8 12.1
2022 Apr 9.0 8.2 10.3
2022 May 10.7 9.4 12.2
2022 Jun 14.1 11.5 19.0
2022 Jul 17.6 14.7 21.3
2022 Aug 17.7 13.8 20.9
2022 Sep 13.8 8.7 18.8
2022 Oct 10.3 5.5 14.7
2022 Nov 5.1 2.8 10.0
2022 Dec 2.5 0.4 4.6
2023 Jan 6.6 4.7 7.3
2023 Feb 6.3 4.9 7.0
2023 Mar 6.6 4.5 8.3
2023 Apr 8.2 6.6 12.5
2023 May 14.4 10.3 19.0
2023 Jun 15.6 12.9 23.6
2023 Jul 17.1 13.4 20.1
2023 Aug 17.1 13.3 20.1
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
2019 13.4 3.8 20.5 5.2 1.9 Nov 30 Aug 6 5,661
2020 11.1 3.5 20.0 5.0 1.3 Jan 20 Aug 1 8,780
2021 11.7 3.6 22.2 5.1 1.6 Feb 13 Jun 30 8,760
2022 10.1 0.4 21.3 4.9 5.4 Dec 25 Jul 29 8,760
2023 11.2 4.5 23.6 4.8 7.5 Mar 4 Jun 27 5,466
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
2019 20.0 20.3 18.5 130 34 19.6 5,661
2020 19.6 19.8 18.0 122 15 18.5 8,780
2021 21.2 21.5 18.0 123 48 19.7 8,760
2022 20.0 21.0 17.7 87 21 18.0 8,760
2023 17.7 19.7 17.1 86 24 17.9 5,466
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.