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Migration Rate Math
Who saw the strongest migration this week?
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Week Ending October 5, 2007
Here are a few of this week's observations. Read the comments and calculate the migration rate for each.
Record this fall's most impressive observations on your Record Sheet and add your favorites to your own Migration Highlights Map.

10/4/07   St. Paul, AR (36 N, -94W)
Mrs. Lawrence's Sixth Grade Class counted 38 migrating monarchs during thirty minutes.

10/4/07   Wichita, KS (38 N, -97W)
In a 15 minute period 2 monarchs were sighted in our outdoor classroom area. We observed starting at 10:29 am. It is a warm sunny day here in Wichita, Kansas. Lastweek we spotted 8 at this same time of day, but in only a 7 minute period.

10/3/07    Kingfisher, OK ( N, W)
Hundreds of Monarchs moved across central Oklahoma today. I saw at least 10 per minute from about 9 a.m. to 12 noon. The numbers dropped off after that. Some flew lower, and stopped to nectar in the yard for a while, and were gone. But, there was still a steady trickle of them coming until 6:00 p.m.

10/1/07    Ponca City, OK (36 N, -97 W)
I got a call this morning from a good friend who said they counted just over a thousand monarchs in just 30 minutes. They were 5-7 miles south of Ponca City driving around on country roads. They were driving in the wide open spaces. The butterflies were low to the ground, mid-level, and many were quite elevated as well!

09/30/107 Canton Lake, OK (36 N, -99 W)
I just received an ecstatic phone call from my in-laws who are at Canton Lake in Oklahoma. They said it had been quiet with no Monarch sightings Friday, Saturday and Sunday morning but now..... at 2:15 pm Sunday afternoon, an explosion of Monarchs are flying over the lake. A cool front has come through and with it, more Monarchs than they've seen so far. A steady stream flying directly over the lake, hundreds at a time, coming through in waves.

09/29/107 Chincoteague National Wildlife Refuge, VA (37 N, -75 W)
Spectacular migration day! Approximately 4,500 Monarchs were flying southwest along ocean shore from 10AM to Noon. Most were flying low < 10 feet off the ground and fighting the wind to avoid being blown out over the ocean. At over wash areas - where there is no dune or vegetation to provide any protection from the wind - about one out of three were being swept out over the ocean. Some were able to make it back to shore with great effort.

09/28/107 New Madrid, MO (37 N, -90 W)
Noticed lots, probably a hundred in an hour, of Monarchs moving across the school property yesterday (9/28). All of them moving in the same direction, south.

09/30/107 Asheville, NC (36 N, -82 W)
Counted 210 Monarch's in 1 hour on the Blue Ridge Parkway near Asheville, NC. Once over the tree line from the north, they floated lazily down the valley traveling south toward South Carolina. A few stopped to nectar on Milkweek and Golden Rod.

09/30/107 Brevard, NC (35 N, -83W)
We saw 39 Monarchs in Cherry Cove Gap. We got there at 4:15 p.m. and stayed there for around 40 minutes.

09/27/107 Augusta, MO (39 N, -91 W)
We saw over 10 monarchs in a 2 minute period flying near a farm field and road. It was about 80 degrees and calm winds.

You can collect more observations like these from the sightings database and migration maps.