how can I obtain free precipitation, temperature, and potential evaporation data for a specific lake for the past 20 years?
You can search in CORDEX AFRICA and find the projected data for 100 years. In addition, ECMWF site provides data based on your preferences. Climate explorer KMNI is also another option
Dear Saba Moshtaghi,
The availability of historical climate data can fluctuate based on the specific location and the particular parameters of interest. To ensure accurate data retrieval, it is crucial to possess the precise name and geographic coordinates, including latitude and longitude, of the lake in question.
Numerous government agencies, such as the National Weather Service, diligently gather and manage climatic data for various locations, including lakes. Additionally, you can explore organizations and websites that offer access to climate data, such as NASA's Earthdata Search and the World Meteorological Organization.
It is worth noting that certain datasets may necessitate permissions or subscriptions for access, requiring initial registration. Furthermore, depending on your research objectives, it may be advisable to consider data from at least three nearby weather stations and compute an average. This becomes especially critical when dealing with rainfall data, as precipitation patterns can vary significantly both temporally and spatially.
humble regards,
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