where we stand

Last weekend’s article by Bill Tweed gives his usual wise perspective on this year’s low rainfall. He looked back at the annual rainfall around Three Rivers for the past few decades, and what we’re in the middle of right now is essentially the norm – there are more years with below average rainfall than those above. I wondered if that would hold true for us, since we’re a little farther north.  Here’s 1970 through last year numbers for San Francisco – I couldn’t find data for our town, but Frisco is close enough.

As Bill reported, we have slightly more below average rainfall years, although it’s pretty close to even.  And it’s not close to normal all that often – if we have a dry year, it’s less than 75% of normal quite frequently, and about half of the rainy years are really rainy – 125% or more of normal.

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