VIRDEN, Illinois, USA:
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 VIRDEN, 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 VIRDEN, IL
Daylight chart for {A['location']}, Illinois, USA

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Explanation, Data Sources, Background and Discussion.

Data for VIRDEN, Illinois, USA

NOAA Station Id: IL118860 Latitude: 39°30'22N Longitude: 089°46'08W Elevation: 675'

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 VIRDEN, IL, use latitude 39°30'22N and longitude 089°46'08W in the form. You'll need to know the time zone of the location.

Climate (Average Weather) Data

StatisticUnitsJanFebMarAprMayJunJulAugSepOctNovDecAverage
Minimum Temperature°F18.423.533.243.553.662.465.863.555.945.234.423.643.58
Maximum Temperature°F34.840.75365.775.884.287.986.280.268.252.339.464.03
Heating Degree Days1189921679325127908532806491038439.83
Cooling Degree Days000131182593663131432400103.00
Monthly Precipitationinches1.852.023.223.594.373.923.623.062.952.583.342.533.09

First and Last Frost Dates


First FrostLast Frost
10%50%90%10%50%90%
SEP 28OCT 15NOV 01APR 01APR 14APR 27
Explanation of frost dates.


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