| Show measuring Rain rainfall fal the quantity ot of rain which falls Is mea measured ared liv by rain gauges or pluvio meters uhla are vanous ly constructed co eruct one of the best ij 1 dilill aliat t knon its as simons rain gauge consisting of a funnel shaped receiving vessel to catch tile lie rain and it 11 glass glas measure of much smaller diameter to ileaure raen ture it to simplify calculation lie internal area of tile the mea measure ure Is ustia usually lly one that of the mouth of the funnel |