Oregon Chapter
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Past Weather

June 6, 2010

Record Rainfall Continues 

* Note - permission is granted to quote or reuse, as long as credit is given to author.

As of  9pm Sunday evening, the Portland International Airport has received 3.08" of rainfall in just the first 6 days of June! Sunday alone saw 1.47" (as of 9pm) of rain with 1.04" of that falling from 5am to 11am Sunday morning alone! Now that is some amazing June rainfall! Nearly double the average for the entire month of June, in just the first 6 days. The record wettest June at the Portland International Airport is 4.06" set in 1984. If the current pattern continues, we could easily have ourselves the wettest June on record. We have just under an inch to go and 24 days left in the month to do it. June's precipitation, coupled with May's, brings the two-month total to just under 8" of rainfall in the past 37 days alone! If averaged out, that would be 0.21" per day. Here are the wettest June's in Portland Airport history (1941-2010) with data updated through 9pm Sunday, June 6th. We are currently in 4th place with 24 days left in the month. This comes on the heels of the 3rd wettest May in Portland Airport history (1941-2010).

YEAR

JUNE

1984

4.06"

1954

3.58"

1981

3.23"

2010 (as of 9pm)

3.08"

1958

3.04"

As previously mentioned, with the continuation of below normal temperatures and above normal rainfall, another fairly historic record is going to fall this week in Portland. This Wednesday (June 9th) marks the latest day in Portland Airport history (1940-2010) to reach 80 degrees for the first time in a given calendar year. That record will indeed fall, as no 80's are forecast through at least mid-week.

Steve Pierce
Vice President - Oregon Chapter of the American Meteorological Society (AMS)
360-695-7172 (Vancouver)
503-504-2075 (Portland)
e-mail: stevejpierce@comcast.net