Browsed by
Category: Monthly Review

Baltimore Sets New Record for Non-Measurable Precipitation

Baltimore Sets New Record for Non-Measurable Precipitation

Comments 0 Comment

UPDATE: Measurable rain amounting to 0.22” fell on November 10, 2024, ending Baltimore’s longest streak without measurable precipitation at 38 days, covering the period October 3rd-November 9th. PREVIOUS POST: At the end of the day on November 4, 2024, the official Baltimore weather station at Baltimore-Washington International Thurgood Marshall Airport (BWI) set the all-time record for days with no measurable precipitation. The period October 3rd-November 4th marks 33-consecutive days reporting <0.01”, superseding the previous record of 32 days covering the…

Read More Read More

Maryland’s Record-Warm October in 2021

Maryland’s Record-Warm October in 2021

Comments 0 Comment

Statewide for Maryland, 2021 was the warmest October on record, dating back to 1895 in the climate archives. There are unofficial reports of valley temperatures in Garrett County getting below freezing during the month but none of the official stations got any lower than 33°F. (as of this posting), occurring on 10/20/2021 at the COOP station “Sines Deep Creek,” which is located on the Youghiogheny River, just northwest of the Deep Creek Lake dam at an elevation of 2,040 feet…

Read More Read More

Maryland Summer Review

Maryland Summer Review

Comments 0 Comment

2021 was one of the warmer overall summers for the state of Maryland dating back to 1895, mostly due to much-above-average Minimum Temperatures. Here are the statewide rankings for various temperature categories, covering Meteorological Summer (June 1st – August 31st):   UPDATED DATA AS OF 10/19/2021: Maximum Temperatures: 1. Ranked #12 warmest August with 86.8°. 2. Ranked #14 warmest Summer with 86.0°    Minimum Temperatures: 1. Ranked #9 warmest June with 63.0° (tying 2013, 2008, 1994, 1922). 2. Ranked #1…

Read More Read More

July 2020: The Hottest Month in Baltimore History

July 2020: The Hottest Month in Baltimore History

Comments 0 Comment

Official weather records for Baltimore date back to 1871. Never, during these last 150 years, has the monthly Mean Temperature (the average between the daily Maximum and Minimum Temperatures) ever been higher than the 81.7° that occurred in July 2011 and the 81.5°, which was recorded in three other Julys – 2010, 1995, and 1949. July 2020 goes down in the record books with the new all-time highest Mean Temperature of 82.6° for any month, a departure of +5.6° from…

Read More Read More

Historic July Rains in Central Maryland

Historic July Rains in Central Maryland

Comments 1 comment

After a very dry start to July 2018 with only 0.03″ of rain through the 14th at the airport in Baltimore (Baltimore/Washington International Airport (BWI)), and just 0.41″ covering the 33-day period June 12 – July 14, 2018, historic amounts of rain began to fall in mid-July as a seemingly endless flow of moisture from the south occurred. Within the 10-day period July 16th-25th, 15.38″ fell at BWI, far exceeding any previous July total dating back to 1871 in the…

Read More Read More

2018: Maryland’s Record-Wettest & Third-Warmest Month of May

2018: Maryland’s Record-Wettest & Third-Warmest Month of May

Comments 3 comments

May of 2018 was the wettest ever recorded for Maryland as the Statewide average of 7.68” surpassed the previous record of 7.31”. The month actually started off quite dry through most of the first half (except for a fairly wet 2-day event from Frederick County and westward), then the deluges began, especially pummeling the Ellicott City area (Howard County and parts of Baltimore County), again, after this area was so devastated back in July 2016. Many news stations and newspapers…

Read More Read More