Dave’s information is interesting in how typical it is for us to discount
previous events when we discuss current events. An important fact to also
note is the mention of the use of a 30 year average of the temperatures in
the evaluation. This lessens the actual change in this year’s
Message-
From: Norm Erthal nert...@comcast.net
To: cobirds cobirds@googlegroups.com
Sent: Wed, May 15, 2013 7:11 am
Subject: [cobirds] Re: migrants arriving to late leaf out
Dave’s information is interesting in how typical it is for us to discount
previous events when we discuss current events
Larry raises a good question about ocean temperatures. I do not have an
answer for that. Another area where there is a much shorter period of data
is Arctic sea ice extent. The data only extends to 1979. This is because
the use of satellites in gathering the data. The years from 2007 through
Sorry everyone - I forgot to say I was in St. Vrain State Park.
--Scott
Scott E. Severs
Longmont, CO
On Tue, May 14, 2013 at 12:05 PM, Scott E. Severs scottesev...@gmail.comwrote:
During survey work this AM I was struck by the state of slow leaf out in
the cottonwoods. It made for amazing
