Climate, Global Warming, and Daylight Charts and Data

Scroll down to see the all the data on which the charts are based. Also see Explanation, background, and discussion.
Global Warming/Climate Change for PARK FOREST, Illinois, USA

One predicted temperature increase is
between 3°C and 5°C (5.4°F and 9.0°F).
See About the Global Warming Data for more information about this prediction.

climate chart for PARK FOREST, IL
Daylight chart for {A['location']}, Illinois, USA

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Explanation, Data Sources, Background and Discussion.

Data for PARK FOREST, Illinois, USA

NOAA Station Id: IL116616 Latitude: 41°29'36N Longitude: 087°40'48W Elevation: 710'

Sunrise and Sunset Data

The yellow section shows when the sun is up, and how this changes over the year. Use the time-of-day scales, on the left and right, and the month scale on the top and bottom, to tell approximately when sunrise and sunset occur. See Sunrise, Sunset, and Daylight for more info.

The sunrise and sunset times shown in the chart are approximate. They are accurate for the latitude, and show the precise amount of daylight, but the rise and set times may be offset (up or down in the chart) since I don't have an automated way of matching time zones to longitudes. The charts are made assuming that the location is in the middle of an evenly spaced time zone.

For precise times see US Naval Observatory. For PARK FOREST, IL, use latitude 41°29'36N and longitude 087°40'48W in the form. You'll need to know the time zone of the location.

Climate (Average Weather) Data

Minimum Temperature°F14.819.729.739.45059.564.763.355.243.232.821.141.12
Maximum Temperature°F29.234.745.758.1708083.781.574.76347.534.858.58
Heating Degree Days1333105984649122229115853807451149529.58
Cooling Degree Days00036617128624584110072.17
Monthly Precipitationinches1.791.642.733.84.144.664.083.823.152.793.382.673.22

First and Last Frost Dates

First FrostLast Frost
SEP 28OCT 14OCT 29APR 10APR 26MAY 13
Explanation of frost dates.

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