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 ROCK SPRINGS, Montana, 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 ROCK SPRINGS, MT
Daylight chart for {A['location']}, Montana, USA

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Explanation, Data Sources, Background and Discussion.

Data for ROCK SPRINGS, Montana, USA

NOAA Station Id: MT247136 Latitude: 46°49'15N Longitude: 106°14'47W Elevation: 3024'

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 ROCK SPRINGS, MT, use latitude 46°49'15N and longitude 106°14'47W in the form. You'll need to know the time zone of the location.

Climate (Average Weather) Data

Minimum Temperature°F6.212.721.531.641.950.756.155.544.333.620.1931.93
Maximum Temperature°F27.434.144.857.167.6778584.772.459.241.130.456.73
Heating Degree Days14951165987620335134416024657710321405674.75
Cooling Degree Days000017992132184500049.33
Monthly Precipitationinches0.290.180.341.042.152.321.530.871.170.870.360.250.95

First and Last Frost Dates

First FrostLast Frost
SEP 05SEP 19OCT 02MAY 01MAY 15MAY 28
Explanation of frost dates.

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