By John Simpson The September 2021 and full monsoon Climate report by John Simpson. September, the last month of the monsoon, typically yields highly variable rainfall in the area as the summer thunderstorms come to a close. September 2021 was no different as many parts of the Tucson area recorded below average precipitation for the month, mainly...
By John Simpson Last month I reported that July 2021 was the wettest month I have recorded since I have been taking records the past 11 years. I also reported that July 2021 was the wettest month the Tucson Airport (official location) has ever recorded and that location has well over 100 years of data. August 2021 is now my second wettest month as...
By John Simpson June 2021 was the hottest June and calendar month on record at the Tucson Airport. That’s right, June 2021 was the hottest month since records began. The average high temperature was 104.6 degrees and the 30-year average is 101.2 degrees. The average low temperature for June was 75.0 degrees and was 3.9 degrees above average. The...
By John Simpson May is typically the driest month of the year and 2021 was no exception. The entire Vail and Tucson area received 0 to just a trace of rain for the month, with just a couple of exceptions receiving a few hundredths (see rainlog.org). My 11-year May average rainfall in Central Del Lago is only 0.05” and the Tucson airports 30-year...
By John Simpson The April 2021 Climate report by John Simpson. April is typically a dry month and only one day, April 27th, yielded rain for the area in April 2021. From that one day, I recorded 0.27” of rain in Central Del Lago, which is exactly at my 10-year average. The airport recorded just a trace of rain and their 30-year average is 0.31...
By John Simpson March was actually wetter than February, but still somewhat below average in rainfall. I recorded 0.39” of rain (and melted snow) and my 10-year average is 0.47.” The Tucson airport recorded 0.31,” which is well below the airport’s 30-year average of 0.73.” This was also the 17th straight March that the airport reported below...
By John Simpson February 2021 was very dry in the region. The Tucson Airport recorded no rain for the month, which is only the 4th time that has occurred since records began in the 1880s. The airport’s 30-year February rainfall average is 0.86.” I only recorded 0.01” which is well below my 10-year average of 0.90.” On the temperature side...
By John Simpson The first month of the new year was warmer than normal temperature wise and about normal precipitation wise. The Tucson airport was exactly three degrees warmer than average for the high temperature during the month while the low temperature was exactly normal. This resulted in the mean average temperature for January 2021 to be 1...
By John Simpson December was warmer and drier than average to top off 2020; 2020 ended up being the driest year and second warmest in Tucson history. The Tucson airport only received 0.25” of rain, well below its December 30-year average of 0.93.” At my home in Central Del Lago, I only received 0.46” of rain and my 10-year December is average is 1...
By John Simpson Warm and dry summed up November just like much of the year. This was also my opening line from last month as well. The Tucson airport reported the 4th warmest November since records began in the 1880s and only recorded 0.15” of rain, well below its 30-year average of 0.57”. At my place in central Del Lago, I recorded 0.41” of rain...
