April 2025 Summary – Seventh Warmest on Record

  Blue Hill Observatory April 2025 Summary: April 2025 was much warmer than average with below average precipitation and snowfall. The approximated 24-hour mean temperature for the month of 49.3 deg F was 4.4 degrees warmer than the 1891-2020 130-year average for April, and it was 2.6 degrees warmer than the 1991-2020 30-year average. April… Read More »

March 2025 Summary – Warmer Than Average

Blue Hill Observatory March 2025 Summary: March was much warmer than normal, with average precipitation and record low snowfall. The approximated 24-hour mean temperature for the month of 40.2 deg F was 5.7 degrees warmer than the 1891-2020 130-year average for March, and it was 4.4 degrees warmer than the 1991-2020 30-year average. The month… Read More »

State of the Climate at Blue Hill Observatory: 1885-2024

This report is an updated summary of the extensive climate records of the Blue Hill Observatory that focuses on the daily climate data for several key parameters over the entire period of record. This document is also available as a downloadable PDF file.