Observation

1792 ON-638 dock

Thessalon River

River or stream

June 1, 2026 at 4:33 PM

QA status: Reviewed: quality check complete

Weather observations

  • Current weather

    Community scientist interpretation

    • Sunny
    • Windy

  • Current weather description

    Community scientist interpretation

    Clear skies, wind from S at 15km/h, gusting to 23km/h. Air temperature is 22C. Humidity is 30%.

  • Weather in the past 24hrs

    Community scientist interpretation

    • Sunny
    • Windy

  • Weather in the past 24hrs description

    Community scientist interpretation

    Cool overnight. Temperature 4C. No frost. Previous day a duplicate of today.

Physical tests

  • Ice on

    Community scientist interpretation

    false

  • Secchi depth (clarity)

    Secchi disk (20 cm diameter)

    .82 m

  • Water depth

    Secchi disk (20 cm diameter)

    1.29 m

Chemistry tests

  • pH

    Taylor teststrips (pH)

    7.5

    Regulatory

  • Chlorine

    Taylor teststrips (chlorine)

    ≤ 0 ppm

  • Hardness

    Taylor teststrips (hardness)

    100 ppm

  • Alkalinity

    Taylor teststrips (alkalinity)

    ≤ 0 ppm

  • Conductivity

    Water Rangers pen-type meter (conductivity)

    50 μS/cm

  • Air temperature

    Water Rangers (stream thermometer) and/or weather app

    22 °C

  • Water temperature

    Water Rangers pen-type meter (temperature)

    20.6 °C

Notes

Small wavelets on surface of the river. Agricultural ploughing being done on the southern bank. Birds abound: cedar waxwing, northern yellow warbler, Canada geese, seagulls, ect.. Leaves just beginning to unfurl and river banks beginning to green.