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 LEWISTOWN MUNICIPAL AP, 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 LEWISTOWN MUNICIPAL AP, MT
Daylight chart for {A['location']}, Montana, USA

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Explanation, Data Sources, Background and Discussion.


NOAA Station Id: MT244985 Latitude: 47°02'57N Longitude: 109°28'00W Elevation: 4145'

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 LEWISTOWN MUNICIPAL AP, MT, use latitude 47°02'57N and longitude 109°28'00W in the form. You'll need to know the time zone of the location.

Climate (Average Weather) Data

Minimum Temperature°F10.614.721.329.237.644.949.549.240.431.120.112.630.10
Maximum Temperature°F31.936.342.953.262.671.579.579.968.757.34234.255.00
Heating Degree Days13551105102071546222610613533564510181291701.08
Cooling Degree Days0000022901212200021.25
Monthly Precipitationinches0.890.571.161.382.922.932.11.891.381.060.740.831.49

First and Last Frost Dates

First FrostLast Frost
SEP 02SEP 15SEP 28MAY 10MAY 25JUN 10
Explanation of frost dates.

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