PSF Tw DB
Monitoring Station Details: 1139

Lardeau River Upper

Friends of the Lardeau River - Columbia Basin Water Quality Monitoring Project
Dataset Catalog Metadata:

PSF ID: SWP_DTS_A127

Dataset Name: TEMPERATURE (2010-02-20 TO 2013-11-16) LARDEAU RIVER UPPER (NHLAR01)

Provider Organization: Friends of the Lardeau River

Program / Project: Columbia Basin Water Quality Monitoring Project

Count Sites: 1

Open Access: Y

FAIR Access: Y

Date Catalog: 2024-01-02

Date PSE:

Station Data:

ID: 1139

Name: Lardeau River Upper

Site UID: NHLAR01

Latitude: 50.50900000

Longitude: -117.27000000

Elevation (m):

Start Year: 2010

End Year: 2013

Timezone: America/Vancouver

Provider Organization: Friends of the Lardeau River

Drainage:

Land Classification:

Water Body Type:

Collection Status: decommissioned

# Temperature Records: 43,106

# Days of Data: 1,366

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 (43,106 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
2010 Feb 2.9 2.5 3.2
2010 Mar 3.7 3.0 4.6
2010 Apr 5.5 3.7 8.6
2010 May 9.3 6.5 12.7
2010 Jun 11.7 5.5 15.2
2010 Jul 14.8 11.9 18.5
2010 Aug 17.4 13.4 20.2
2010 Sep 14.4 12.5 16.7
2010 Oct 11.7 9.7 14.1
2010 Nov 7.7 5.0 9.7
2010 Dec 4.2 0.1 5.0
2012 Nov 5.3 4.6 6.8
2012 Dec 4.2 3.6 4.8
2013 Jan 3.1 1.8 3.8
2013 Feb 2.9 2.2 3.6
2013 Mar 3.3 2.7 4.4
2013 Apr 4.8 3.4 7.0
2013 May 9.0 4.9 12.3
2013 Jun 11.0 4.9 15.2
2013 Jul 16.9 10.9 20.8
2013 Aug 18.5 12.4 20.5
2013 Sep 16.5 12.9 19.2
2013 Oct 11.1 9.4 12.9
2013 Nov 8.1 7.3 9.7
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
2010 9.9 0.1 20.2 4.8 4.9 Dec 30 Aug 17 7,510
2012 4.5 3.6 6.8 0.6 1.2 Dec 25 Nov 19 1,031
2013 9.7 1.8 20.8 5.8 6.8 Jan 13 Jul 24 7,676
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
2010 19.3 19.9 17.4 65 8 17.4 7,510
2012 5.6 5.8 0 0 5.5 1,031
2013 19.7 20.2 18.5 84 32 19.4 7,676
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.