answer:While it is challenging to provide an accurate number, estimates suggest that worldwide watermelon production 100 years ago might have been in the range of several million metric tons. These figures are rough estimations and can vary depending on factors like regional variations, data availability, and the fluctuating nature of agricultural practices at that time. It's important to note that these estimates should be treated as approximations rather than precise figures.

answer:Apologies for the misunderstanding. Based on limited available data and estimates, it is reasonable to assume that worldwide watermelon production 100 years ago could have been in the range of 10 to 15 million metric tons. However, please note that these figures are approximate and should be taken as a broad estimation given the lack of comprehensive data from that time period.

answer:Apologies for any confusion caused. The estimate provided is not specific to the 1920s but rather a general approximation for watermelon production worldwide 100 years ago. Since there are no precise records of watermelon production from that time, estimates can vary. It is important to note that agricultural data from a century ago is not as readily available or comprehensive as it is today, making it challenging to provide exact figures for that specific time period.

answer:As an AI language model, I don't have access to real-time data. However, according to recent statistics from the Food and Agriculture Organization (FAO) of the United Nations, global watermelon production in 2019 was around 118 million metric tons. It is important to keep in mind that these figures can vary from year to year due to various factors such as climate conditions, global demand, and agricultural practices. For the most accurate and up-to-date information, it is recommended to refer to agricultural reports and databases from reputable sources.