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North Branch Chicago River at Edgebrook Woods

North Branch Chicago River

Chicago, Illinois, United States

41.990 N, 87.772 W
At Peterson (6000N) and Menard (5800 W)

Location created by
Alan Matson

Group: National Great Rivers : Winter Chloride Watch
Site ID: R 0211620
Lat: 41.9901029
Lng: -87.7718568
Waterbody Type: River
Timezone: America/Chicago

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Observation tests summary

Air temperature °C

-4.0 Latest

2.0 Average

2022-12-17 -> 2024-12-11

Water temperature °C

11.5 Latest

4.4 Average

2022-12-17 -> 2023-04-08

Chloride ppm

187.0 Latest

232.4 Average

2022-12-17 -> 2024-12-11

Ice On

2022-12-24

Ice Off

2023-03-02
2023-01-14