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PDX roller coaster over past 12 months


wx_statman

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Wanted to highlight a few of the impressive (from a historical perspective) temperature streaks observed at PDX over the past 12 months. Most of these have already been discussed on this forum at one time or another, but some I just came across when looking at numbers this morning. Anyway, here they are:

 

Most consecutive days with sub-52 maximums

 

1) 80 days - ending 2/15/1949

2) 72 days - ending 2/8/2017

3) 63 days - ending 1/23/1993

 

Most consecutive days with sub-70 maximums

 

1) 216 days - ending 5/2/2017

2) 211 days - ending 5/4/1967

3) 203 days - ending 4/18/1950

 

Most consecutive days with sub-37 minimums

 

1) 64 days - ending 2/14/2017

2) 57 days - ending 2/8/1949

3) 45 days - ending 2/4/1979

 

Most consecutive days with >=88 maximums

 

1) 12 days - ending 8/10/2017

t-2) 10 days - ending 7/8/2015

t-2) 10 days - ending 8/3/2009

 

Most consecutive days with >=75 maximums

 

1) 59 days - ending 9/13/2017

2) 41 days - ending 8/22/2005

3) 39 days - ending 8/26/1958

 

Highest average maximum, 40 day stretch

 

1) 87.8 - ending 9/6/2017

2) 87.5 - ending 8/1/2015

3) 86.9 - ending 9/4/1967

 

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Wow!  This is definitely getting a 1930s vibe if you ask me.  Another possibility is this is a transition from the big warm run we had 2014-2016 and we will eventually settle into persistent cold.  Sometimes transition periods can have wild fluctuations.

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Death To Warm Anomalies!

 

Winter 2023-24 stats

 

Total Snowfall = 1.0"

Day with 1" or more snow depth = 1

Total Hail = 0.0

Total Ice = 0.2

Coldest Low = 13

Lows 32 or below = 45

Highs 32 or below = 3

Lows 20 or below = 3

Highs 40 or below = 9

 

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Wow!  This is definitely getting a 1930s vibe if you ask me.  Another possibility is this is a transition from the big warm run we had 2014-2016 and we will eventually settle into persistent cold.  Sometimes transition periods can have wild fluctuations.

 

It's interesting that even the heat waves this year were different than what we've seen in recent decades. Like the 105 in August and 98 in September...neither had happened since the 1980s at PDX.

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