PSF Tw DB
Monitoring Station Details: 89

Elk Creek adjacent to Patterson 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: 89

Name: Elk Creek adjacent to Patterson Road

Site UID: 08MF0004

Latitude: 49.14400000

Longitude: -121.83400000

Elevation (m):

Start Year: 2020

End Year: 2025

Timezone: UTC

Provider Organization: Government of British Columbia

Drainage:

Land Classification:

Water Body Type: stream

Collection Status: active

# Temperature Records: 45,072

# Days of Data: 1,879

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 entire series (45,072 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
2020 Sep 11.4 11.0 11.7
2020 Oct 8.4 3.1 11.7
2020 Nov 5.5 2.9 9.9
2020 Dec 4.8 2.6 6.5
2021 Jan 5.0 3.5 6.1
2021 Feb 4.3 1.0 6.1
2021 Mar 5.8 4.0 7.3
2021 Apr 6.3 4.2 8.7
2021 May 7.4 5.3 10.4
2021 Jun 10.6 6.6 17.6
2021 Jul 12.6 10.3 15.7
2021 Aug 12.2 9.9 15.4
2021 Sep 10.7 8.7 12.9
2021 Oct 8.0 3.8 9.9
2021 Nov 5.8 3.6 8.6
2021 Dec 3.8 0.3 8.1
2022 Jan 4.1 0.1 5.5
2022 Feb 4.8 1.6 6.5
2022 Mar 5.3 3.0 9.7
2022 Apr 5.7 3.5 8.7
2022 May 6.8 5.0 9.6
2022 Jun 8.7 6.3 14.0
2022 Jul 12.1 9.8 15.7
2022 Aug 12.4 10.5 14.8
2022 Sep 11.0 9.1 17.5
2022 Oct 9.5 7.1 11.9
2022 Nov 4.7 1.9 7.5
2022 Dec 3.1 -0.2 5.6
2023 Jan 4.5 1.7 5.8
2023 Feb 4.0 0.3 6.0
2023 Mar 5.1 2.8 7.3
2023 Apr 5.8 3.9 9.2
2023 May 8.6 5.4 12.5
2023 Jun 10.6 8.1 13.8
2023 Jul 12.0 10.2 14.5
2023 Aug 12.0 10.1 15.2
2023 Sep 10.7 8.4 16.1
2023 Oct 9.0 4.7 11.3
2023 Nov 6.0 3.7 9.3
2023 Dec 5.4 3.0 7.4
2024 Jan 4.0 -0.2 7.2
2024 Feb 4.9 2.9 6.9
2024 Mar 5.2 3.0 7.2
2024 Apr 6.4 4.5 9.1
2024 May 7.7 5.2 10.3
2024 Jun 9.6 6.7 13.0
2024 Jul 12.3 10.0 15.1
2024 Aug 12.1 9.5 14.6
2024 Sep 11.2 8.0 13.9
2024 Oct 8.5 6.1 10.6
2024 Nov 5.7 4.9 6.6
2024 Dec 5.6 4.2 6.9
2025 Jan 4.7 3.5 6.1
2025 Feb 3.8 1.2 5.9
2025 Mar 5.4 4.2 6.4
2025 Apr 6.7 5.4 8.9
2025 May 8.3 6.3 12.0
2025 Jun 10.6 8.4 13.5
2025 Jul 12.2 10.4 14.4
2025 Aug 12.5 10.9 14.7
2025 Sep 11.5 10.0 13.8
2025 Oct 8.6 6.4 11.3
2025 Nov 6.9 5.1 8.9
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
2020 6.3 2.6 11.7 2.2 3.3 Dec 22 Sep 30 2,213
2021 7.7 0.3 17.6 3.2 3.6 Dec 27 Jun 28 8,760
2022 7.4 -0.2 17.5 3.3 7.1 Dec 21 Sep 29 8,732
2023 7.8 0.3 16.1 3.1 6.0 Feb 24 Sep 25 8,760
2024 7.9 -0.2 15.1 3.0 4.2 Jan 14 Jul 9 8,344
2025 8.2 1.2 14.7 3.2 2.4 Feb 4 Aug 13 6,865
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
2020 10.8 11.4 0 0 10.7 2,213
2021 14.9 16.6 12.2 8 0 13.1 8,760
2022 13.7 15.4 12.4 7 0 12.6 8,732
2023 12.8 14.5 12.0 4 0 12.2 8,760
2024 13.0 14.6 12.1 1 0 12.7 8,344
2025 13.0 14.0 12.5 0 0 12.8 6,865
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.