Environment Canada (EC) has a cooperative/volunteer climate network weather collection project called COOLTAP.(Cooperative Online Temperature and Precipitation Entry System). It is a web-based Data entry system website where daily weather data is entered and used. All that is required is an internet-connected computer to input the data.
NOAA (USA) uses a similar data collection program called COOP Here is a PDF file on NOAA, COOP and the integration of COOLTAP. This data is used for both weather forecasting/climate prognosis and drought control.