What is the water temperature of the Baltic Sea npub1hlx26mahecypqppmwqnu5xlust2uq8mz8z0h42sqt9u2qarc5ahsf68mlunostr (npub1hlx…ostr):npub1hlx26mahecypqppmwqnu5xlust2uq8mz8z0h42sqt9u2qarc5ahsf68mlunpub1hlx26mahecypqppmwqnu5xlust2uq8mz8z0h42sqt9u2qarc5ahsf68mlunostr (npub1hlx…ostr):npub1hlx26mahecypqppmwqnu5xlust2uq8mz8z0h42sqt9u2qarc5ahsf68mlu ?
In Stockholm there are about 15 degrees Celsius