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 PIEDMONT RESEARCH STN, 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 PIEDMONT RESEARCH STN, VA
Daylight chart for {A['location']}, Virginia, USA

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Explanation, Data Sources, Background and Discussion.


NOAA Station Id: VA446712 Latitude: 38°13'32N Longitude: 078°07'10W Elevation: 520'

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 PIEDMONT RESEARCH STN, VA, use latitude 38°13'32N and longitude 078°07'10W in the form. You'll need to know the time zone of the location.

Climate (Average Weather) Data

Minimum Temperature°F23.826.233.84352.661.465.964.357.444.736.228.144.78
Maximum Temperature°F42.44654.865.67482.186.284.477.967.256.746.365.30
Heating Degree Days989810642324114100137296558862386.92
Cooling Degree Days000360213342291117160086.83
Monthly Precipitationinches3.322.823.723.224.334.064.823.773.863.933.713.083.72

First and Last Frost Dates

First FrostLast Frost
OCT 12OCT 26NOV 09MAR 29APR 14APR 29
Explanation of frost dates.

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