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 ROANOKE WOODRUM AP, Virginia, 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 ROANOKE WOODRUM AP, VA
Daylight chart for {A['location']}, Virginia, USA

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Explanation, Data Sources, Background and Discussion.

Data for ROANOKE WOODRUM AP, Virginia, USA

NOAA Station Id: VA447285 Latitude: 37°19'01N Longitude: 079°58'27W Elevation: 1149'

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 ROANOKE WOODRUM AP, VA, use latitude 37°19'01N and longitude 079°58'27W in the form. You'll need to know the time zone of the location.

Climate (Average Weather) Data

Minimum Temperature°F26.62936.544.252.360.464.963.456.644.636.629.645.39
Maximum Temperature°F4549.157.96875.983.387.58678.868.65848.667.23
Heating Degree Days911741569290107131248276528798357.00
Cooling Degree Days0042074217355309136172094.50
Monthly Precipitationinches3.233.083.843.614.243.6843.743.853.153.212.863.54

First and Last Frost Dates

First FrostLast Frost
OCT 06OCT 22NOV 07MAR 29APR 13APR 27
Explanation of frost dates.

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