Open Water Swimming
Current average river water temperature in Ottawa is
Real time interactive map of sewage and stormwater outflow into the Ottawa and Rideau rivers. Can help to inform if these rivers are safe for swimming after a rainfall.
Bike Tire Pressure Calculator
Calculate the Ideal Pressure for your bike tires under various circumstances
The above site seems to be down. If this happens, the calculator at the link below is also good.
Sun Position Forecast
Track the exact position and path of the sun at any point on earth at any time
