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Observations by Gary Fewless for Green Bay WI (Lat.N 44.51° Long. W 88.02° ), except as noted. For flowers lacking conspicuous petals or sepals I define "anthesis" as release of pollen by mature anthers.

December 2000

Observations by Gary Fewless, except as noted

Date Observation (Click on links for photos)
Dec 31 This month was the snowiest December on record for Green Bay with 28.9 inches, breaking the old record set in 1977 by nearly 2 inches. However, the snow was mostly not very dense so the monthly precipitation as water was only 1.16 inches which is about 0.37" below average! There was at least a trace of snow on 28 of 31 days, and at least 1/2 inch of snow on 14 days. Greatest snow depth on the ground was 17 inches on Dec 24.
Dec 18 A big snowstorm hit Wisconsin, dumping 6.1 inches in Green Bay and much more to the south. Total snowfall in Green Bay this winter is 24.5 inches. Last year at this time we had a total of only 3.1 inches of snow.
Dec 13 Coldest day of the year so far. Morning temperature at GB weather station was -8° F. Only 8 more days until winter officially starts! Birds conspicuously numerous at our feeders.
Dec 11 A snow storm swings by mostly to our south. Green Bay got 1.7 inches (plus 0.8 on the 10th). Milwaukee and Chicago area received over 12 inches.
Dec 7 3.5 inches of snow brings our total for this winter to 12.3 inches. Morning low temperature of -1° F is our first below zero temperature this winter. HDD (heating degree days) a measure of how cold our weather is overall, indicates this winter is slightly cooler than average, so far.
Dec 5 Arctic air moves in for our coldest weather this Fall with lows in the single digits (GB low of 2° F).
Dec 1

The East River in Allouez froze 12/01, which is about average for the last ten years. It had been ice-covered beginning on Nov 17, but opened up briefly on Nov 30. I have been recording the start dates for continuous winter ice at the same location since 1991, and end dates in spring since 1986. Below are the start dates.

year 91 92 93 94 95 96 97 98 99 00 AVG
date 12/03 11/27 12/21 12/07 11/14 11/12 11/24 12/21 11/30 1201 12/01


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Last updated on May 20, 2015