Holes Bay neap tides and at spring tides, and a double high water. Maximum monthly temperatures range from an average of in January to in August; minimums range from to . Ground temperatures on the mudflats can fall below freezing in winter. The prevailing winds are from the west or southwest, but sea breezes can also blow in from the south and southeast. Holes Bay is home to numerous wetland bird species including avocet, black-tailed godwit, curlew, kingfisher, little egret, oystercatcher, red-breasted merganser, redshank, spoonbill, teal and widgeon. The bay is used for fishing. Species that occur here include bass, mullet, flounder,
Monuments relating to the Haymarket affair Monuments relating to the Haymarket affair There are several monuments to commemorate the Haymarket affair. In 1889, a commemorative nine-foot (2.7 meter) bronze statue of a Chicago policeman by sculptor Johannes Gelert was erected in the middle of Haymarket Square with private funds raised by the Union League Club of Chicago. The statue was unveiled on May 30, 1889, by Frank Degan, the son of Officer Mathias Degan. On May 4, 1927, the 41st anniversary of the Haymarket affair, a streetcar jumped its tracks and crashed into the monument. The motorman said he was "sick of seeing that policeman with