||Observation (Click on links for photos)
||Low temperature of 32F
and widespread frost this morning. Painted
Lady butterfly noted on asters (Aster lanceolatus)
later in the day, UWGB.
||There are reports of frost
in Brown County this morning. Green Bay weather service reports
a low temperture this morning of 31F. That is our first freezing temperature
of the Fall. Rhinelander went at least as low as 28 F.
Green Bay's low temperature
of 34F is the lowest of the season to date. This should accelerate
the color change of leaves.
An annecdotal account of a few snow flakes
in Forest County today.
||The Monarch butterfly
migration was in full motion today at Whitefish Dunes State Park,
along Lake Michigan. A steady stream of Monarchs could be seen heading
south, during the warm portion of the day. They weren't exactly "bumper
to bumper" as is the case with automobiles on such Fall weekends
in Door County, but it was possible to see scattered butterflies for
a considerable distance north and south along the shoreline.
The large prairie grasses
are still actively flowering, as in this photo of Indian
Grass (Sorghastrum nutans).
I saw a large clone of Maximilian's sunflower
(Helianthus maximilliana) that still has not begun to flower,
although the buds are very close to opening, City Green Bay.
(Parthenocissus vitacea) fruits are prominent now in the
Green Bay area. The deep blue fruits with bright red stalks are very
conspicuous and the leaves will soon turn bright red also. This is
a vine and a relative of our wild grape. Click
here for more images of Virginia creeper.
||Some flowers of New
England aster (Aster novae-angliae) are at peak now,
but a few plants have still not yet begun to flower.
leaves are beginning to turn red or orange on staghorn
sumac (Rhus typhina) on the UW-Green Bay campus.
white fruits of Gray Dogwood (Cornus racemosa) are
conspicuous in the Green Bay area now.
Green Bay received 2.66
inches of rain from Friday evening (Sep12) through today. The
area was extremely dry and the long slow rains provided much needed
water for local plants and animals.
Yesterday's high temperature
of 84F has pushed us over the 80 degree mark for average high
temperature this September. The long term average for this time
of year is about 71.
orb-weaver spiders (Argiope aurea) are now abundant
in fields in the Green Bay area, and widely distributed in Wisconsin
in a variety of sunny sites.
Dry and unseasonably
warm weather continues in Green Bay. High
temperatures have averaged nearly 80 F in September and we have
had no rain in the last 14 days. The soil is cracked and
dry in many areas, but trees and shrubs remain healthy in appearance
for the most part. Plants on thin soils such as on large rock outcrops
have dried up, however.
invaded Peterborough, Ontario, today, September
10. It was an unusually warm, muggy day. Drew Monkman. [note: last
year in Green Bay this event occurred on sep 9. See last
years entry. GF]
Numerous Sand Hill Cranes were observed in
Marinette County today where they have aggregated in harvested fields,
apparently to feed on the excess corn and perhaps other crops left
behind by the harvesters.
||The foliage of local trees
and shrubs is surprisingly green. It is not uncommon for some species
and some individuals of others to begin some display of Fall colors
in late August, or at least to begin to "fade" as they wind
down their active phase.
||An examination of local fields
finds the goldenrods prominent, but the Asters have not yet reached
their peak. Indeed many individual plants have not yet begun to
flower, as is also the case for some goldenrods such as showy goldenrod
||The pesky wasps are
in full force in our area, menacing picnics and other outings. They
seem particularly drawn to the rims of open soda cans, thereby posing
a risk to those drinking from the can. Many if not all of the worst
pests are alien species, yet another example of the problems caused
by invasive species.
(Solidago spp. and Euthamia spp.) are at about peak
now on UWGB. The most conspicuous species in local fields is Canada
goldenrod (Solidago canadensis), but there are at least
8 species on UWGB and 24 in Wisconsin.
(Aster oolentangiensis, previously A. azureus) in flower,
Brown County. This is a species of very dry, sunny sites. The similar,
but much more common smooth aster (Aster laevis) is
also in flower, but I missed the start.
The first open flowers
for New England aster (Aster novae-angliae), UWGB.
There is only one plant with any flowers open (Gary Fewless).