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 BLUE HILL OBS MILTON, Massachusetts, 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 BLUE HILL OBS MILTON, MA
Daylight chart for {A['location']}, Massachusetts, USA

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Explanation, Data Sources, Background and Discussion.

Data for BLUE HILL OBS MILTON, Massachusetts, USA

NOAA Station Id: MA190736 Latitude: 42°12'44N Longitude: 071°06'53W Elevation: 630'

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 BLUE HILL OBS MILTON, MA, use latitude 42°12'44N and longitude 071°06'53W in the form. You'll need to know the time zone of the location.

Climate (Average Weather) Data

Minimum Temperature°F18.120.327.837.14755.96260.953.242.934.223.840.27
Maximum Temperature°F33.836.344.855.56775.581.278.97160.349.338.657.68
Heating Degree Days12071034894562271749221384226981040530.92
Cooling Degree Days001321932151734930046.50
Monthly Precipitationinches4.784.064.794.323.793.933.744.064.134.424.644.564.27

First and Last Frost Dates

First FrostLast Frost
OCT 03OCT 19NOV 05APR 13APR 22MAY 01
Explanation of frost dates.

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