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2024 Hennepin County All -Jurisdiction Hazard Mitigation Plan <br />Volume 2 — Hazard Inventory <br />Twin Cities Average Annual Precipitation and Heavy Rain Days by Decade <br />40 <br />9 <br />35 <br />34.31 <br />8 <br />31.50 31.14 <br />29.88 <br />_ <br />29.73 29.57 <br />7 <br />30 <br />26.17 26.76 <br />27.74 26.85 27.18 <br />27.11 <br />� <br />25.17 25.72 24.97 <br />6 <br />u <br />0 <br />2 <br />23.88 <br />c <br />} <br />5 <br />Q' <br />20 <br />v <br />4 <br />3 <br />D <br />3 <br />0 <br />c <br />a <br />1.0 <br />2 <br />D <br />1 <br />0 <br />0 <br />1C� <br />IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII Annual Precipitation Average Number 1-inch Precip Days <br />Twin Cities Average Seasonal Snowfall and Heavy Snow Days by Decade <br />60 <br />71 <br />S 50 44.91 <br />_ 43.40 <br />40 39,72 40.27 40.02 <br />0 40 <br />c <br />30 <br />ouuuuuuuuuuu pppppipi <br />20 <br />10 <br />60.18 <br />61.45 <br />55.68 <br />49.05 <br />44.66 <br />0 <br />yo5 Lori �o�i �o`' o`' �& �05 �05 oh �05 Oy & <br />CO <br />�� �� �� �� �Q � o <br />Seasonal Snowfall Days with 4+ Inches <br />4,5 <br />N <br />4 0 <br />3.5 0- <br />3 E <br />z <br />2.5 ago <br />U <br />2 °1 <br />a' <br />Even though periods of intense growing season drought have defined the climate of the early 2020s in <br />Hennepin County, these dry conditions have not reversed the long-term trend towards more <br />precipitation. In fact, as can be seen in GRAPHIC 4.3.1G above, even with the drought episodes, annual <br />precipitation during the early 2020s is still higher than every decade from the 1920s through the 1960s. <br />This is because the dry conditions have been episodic, generally limited to the warm season, and often <br />followed by very wet conditions in the cooler months. <br />52 <br />