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Title:Local Climatological Data Summary: Ottawa, Illinois, 1901-1990
Author(s):Bryan, Audrey A.; Armstrong, Wayne
Subject(s):Ottawa, Illinois
LaSalle County, Illinois
temperate continental climate
Abstract:Ottawa (LaSalle County) has a temperate continental climate, dominated by maritime tropical air from the Gulf of Mexico from about March through November. Gulf air generally supports relative humidities of about 60% during the day and 85% at night. This is the airmass which yields a "muggy" environment. During these months, there are occasional, brief interruptions of drier, cooler air from the Pacific Ocean, but typically only last for a few days.
Issue Date:1992
Publisher:Illinois State Water Survey
Series/Report:ISWS Miscellaneous Publication MP-98-9
Genre:Technical Report
Publication Status:published or submitted for publication
Peer Reviewed:is peer reviewed
Rights Information:Copyright ... University of Illinois Board of Trustees. All rights reserved. This document is a product of the Illinois State Water Survey, and has been selected and made available by the Illinois State Water Survey and the University Library, University of Illinois at Urbana-Champaign. It is intended for research and educational use, and proper attribution is requested.
Date Available in IDEALS:2014-10-29

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