Marengo
Weather Station of the U.S. Weather Service

Located in McHenry County, Illinois, Marengo is at an elevation of 810 feet and was established as a weather station on 01 Jan 1948.

From 1971 to 2000, the following average readings were recorded:

 - - - - - - - - - JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC YEAR Average High....... 27.9 33.3 44.9 58.6 71.2 81.2 84.5 82.1 75.0 62.9 46.6 33.0 58.4 Average Low........ 10.6 15.5 26.4 36.7 47.2 57.1 62.0 59.9 50.7 39.1 28.6 16.9 37.6 Monthly Precipitn.. 1.48 1.29 2.42 3.71 4.10 4.56 3.86 4.47 3.32 2.61 2.69 1.97 36.48 Heating Degree Days 1419 1137 909 521 231 31 4 25 125 439 823 1242 6906 Cooling Degree Days 0 0 0 2 51 156 260 211 60 5 0 0 745 

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