Blue Hill Observatory March 2021 Summary: March was warmer, drier, less snowy, and much sunnier than average. The 24-hour adjusted mean temperature for the month of 39.2 deg F was 4.7 degrees warmer than the 1891-2020 130-year average for March, and it was 3.4 degrees warmer than the 1981-2010 30-year average. The average maximum temperature […]
Blue Hill ObservatoryWinter 2020-2021 Summary: The winter (December-February) season was generally warm with a few cold periods and with above average precipitation and snowfall. The 24-hour mean temperature for the winter of 30.5 deg F was 3.0 degrees warmer than the 130-year winter average and 1.5 degrees warmer than the 1981-2010 30-year average. The average […]
Blue Hill Observatory February 2021 Summary: February was warmer, wetter and much snowier than average. The 24-hour adjusted mean temperature for the month of 28.8 deg F was 2.2 degrees warmer than the 1891-2020 130-year average for February, but it was 0.3 degrees cooler than the 1981-2010 30-year average. The average maximum temperature of 35.2 […]
Blue Hill Observatory January 2021 Summary: January was generally warmer, drier and less snowy than average. The 24-hour adjusted mean temperature for the month of 28.8 deg F was 2.9 degrees warmer than the 1891-2020 130-year average for January, and it was 2.6 degrees warmer than the 1981-2010 30-year average. The average maximum temperature of […]
The year 2020 ended as the second warmest on record with a 24-hour adjusted mean temperature of 51.3F, which was 3.7F warmer than the 120-year (1891-2010) long-term mean and 2.4F above the 30-year (1981-2010) normal. The only warmer year was 2012 with a mean of 51.7F. The annual average maximum temperature of 60.4F was 3.5F […]
Blue Hill Observatory December 2020 Summary: December was warmer, wetter, cloudier and snowier than average. The 24-hour adjusted mean temperature for the month of 34.0 deg F was 4.2 degrees warmer than the 120-year average for December, and it was 2.4 degrees warmer than the 1981-2010 30-year average. The average maximum temperature of 41.1 deg […]
Blue Hill Observatory November 2020 Summary: November was unseasonably warm and both wetter and sunnier than average. The 24-hour adjusted mean temperature for the month of 46.9 deg F was 6.3 degrees warmer than the 120-year average for November, and it was 4.8 degrees warmer than the 1981-2010 30-year average. November was the fourth warmest […]
Blue Hill Observatory October 2020 Summary: October was warm and wet with one very snowy day. The 24-hour adjusted mean temperature for the month of 52.7 deg F was 1.6 degrees warmer than the 120-year average for October, and it was 1.3 degrees warmer than the 1981-2010 30-year average. The average maximum temperature of 61.2 […]
Blue Hill Observatory September 2020 Summary: September was warm and generally dry with above average sunshine. The 24-hour adjusted mean temperature for the month of 63.6 deg F was 2.4 degrees warmer than the 120-year average for September, and it was 1.5 degrees warmer than the 1981-2010 30-year average. The average maximum temperature of 73.2 […]
Blue Hill Observatory August 2020 Summary: August was unusually warm and generally dry with above average sunshine. The 24-hour adjusted mean temperature for the month of 72.3 deg F was 4.2 degrees warmer than the 120-year average for August, and it was 2.9 degrees warmer than the 1981-2010 30-year average. The month tied with 2005 […]
Blue Hill Observatory July 2020 Summary: July was unusually warm and generally dry with near average sunshine. The 24-hour adjusted mean temperature for the month of 73.6 deg F was 3.9 degrees warmer than the 120-year average for July, and it was 2.8 degrees warmer than the 1981-2010 30-year average. The month tied for the […]
Blue Hill Observatory June 2020 Summary: June was unusually warm and wet with more sunshine than average. The 24-hour adjusted mean temperature for the month of 67.5 deg F was 3.4 degrees warmer than the 120-year average for June, but it was just 2.2 degrees warmer than the 1981-2010 30-year average. The month was the […]
Blue Hill Observatory May 2020 Summary: May was unusually dry and sunny with variable temperatures. The 24-hour adjusted mean temperature for the month of 56.1 deg F was 0.8 degrees warmer than the 120-year average for May, but it was 0.1 degrees colder than the 1981-2010 30-year average. The average maximum temperature of 67.2 deg […]
Blue Hill Observatory April 2020 Summary: April was unusually cold, wet and cloudy with near average snowfall. The 24-hour adjusted mean temperature for the month of 42.9 deg F was 1.8 degrees colder than the 120-year average for April and 3.4 degrees colder than the 1981-2010 30-year average. Cold daily high temperatures were persistent throughout […]
Blue Hill Observatory March 2020 Summary: March was generally very warm with much less snowfall than average. The 24-hour adjusted mean temperature for the month of 40.5 deg F was 6.1 degrees warmer than the 120-year average for March and 4.8 degrees warmer than the 1981-2010 30-year average. The month tied for the tenth warmest […]
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