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 BONNEVILLE DAM, Oregon, 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 BONNEVILLE DAM, OR
Daylight chart for {A['location']}, Oregon, USA

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Explanation, Data Sources, Background and Discussion.

Data for BONNEVILLE DAM, Oregon, USA

NOAA Station Id: OR350897 Latitude: 45°38'10N Longitude: 121°57'07W Elevation: 62'

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 BONNEVILLE DAM, OR, use latitude 45°38'10N and longitude 121°57'07W in the form. You'll need to know the time zone of the location.

Climate (Average Weather) Data

Minimum Temperature°F32.434.437.341.246.551.55656.152.346.139.533.943.93
Maximum Temperature°F43.347.454.360.16772.779.38074.763.85143.861.45
Heating Degree Days8426765954322621213329107314592811401.17
Cooling Degree Days00006351151236130028.58
Monthly Precipitationinches11.29.837.966.023.963.011.031.353.025.7312.0912.776.50

First and Last Frost Dates

First FrostLast Frost
NOV 04NOV 28DEC 21FEB 05MAR 12APR 17
Explanation of frost dates.

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