Chicago Average Daily Temperature Ranges, by Calendar Day.Record Coldest & Warmest Days, by Calendar Day in Chicago (1872-2020) New (2/7/21) Temperature: CHICAGO DAILY TEMPERATURESĬhicago Mean Max/Min’s and Extreme Max/Min’s at One-Third Month Intervals (1872-2019) OTHER DAILY TEMPERATURE STATS Normals, Record Wet 2008/Dry 1962, and Record Wettest YTD New (7/25/22)Ģ021 Daily Temperatures and Precipitation for ChicagoĢ020 Daily Temperatures and Precipitation for ChicagoĢ019 Daily Temperatures and Precipitation for ChicagoĢ018 Daily Temperatures and Precipitation for ChicagoĢ017 Daily Temperatures and Precipitation for Chicago Last Update: e-mail contact: Climate Overview GraphsĢ022 Daily Temperatures and Precipitation for Chicago (New 7/25/22)Ĭhicago 2022 Cumulative Daily Precipitation vs. The data thus reflect observations made at multiple sites and exposures (for example, heights of the thermometers above ground-level) over the years, so interpretations and comparisons should be taken in this light. On the latter date the official site transferred to Midway Airport, and on 16 January 1980 it moved to O’Hare International Airport, where it remains today (several within-site moves have been made at O’Hare). Court House, and from January 1926 through 20 June 1942 at the University of Chicago. “Official” observations from 1871 through June 1905 were taken at a number of sites in the downtown area, those from July 1905 through 1925 at the U. The daily precipitation observations date from the start of 1871, temperatures from 10 June 1872, snowfall from the 1885-6 season, and snow depth from the beginning of 1901.ĭata were obtained courtesy of the Chicago National Weather Service Office, the National Climatic Data Center, and the Chicago National Weather Service Office’s on-line site: The graphics consist of summary overview charts followed by year-to-year graphs that depict daily temperature, precipitation, and snowfall. The following is a graphical climatology of Chicago, Illinois temperatures, precipitation, and snowfall, from the 1870’s at the earliest (temperature and precipitation) into 2022.
As an example, December data will typically be posted sometime during the first week of January.Īny questions about this product should be directed to the CNRFC.Graphical Climatology of Chicago Temperatures, Precipitation, and Snowfall (1871-Present) Note, monthly data is collected during the first week of the following month and will be posted to this webpage when received from the National Weather Service cooperative observers. In addition the percent of normal will not be calculated. If a station has any missing data, it's WY to Date total will also be missing. NA means that 30 year averages do not exist for this station. Precipitation data is provided for each month of the most recent water year, total precipitation for the water year, the percent of normal for the water year to date, and the percent of the entire water year we have received to date. The water year starts on October 1 of the previous reference year and ends on September 30 of the reference year. The following is data from National Weather Service cooperative observers as of the end of last month. Monthly Precipitation Summary Water Year 2022
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