The knee is the largest joint in the human body and is considered the most complicated one. It is formed by the lower part of the femur, the tibial plateau and the knee cap.
Calgary's spring weather is unstable. Some April and May days are sunny and warm, indeed hot. Yet April, May and sometimes even June(!) can bring snow. When it snows in late spring / early summer, the snow typically is wet and heavy, unlike winter snow that more often is light and fluffy.
Average monthly rainy days over the year. This is the number of days each month with rain, snow, hail etc. Average humidity over the year. This is the mean monthly relative humidity. Average wind speed over the year. This is the mean monthly wind speed (meters per second) Weather Forecast for Calgary.