Here in Nashua, NH, if we assign Meteorological Summer as the First-Last Days w/ Avg Temp =>75, it aligns nicely to the Months of June,July,August. Right now we are on track for our latest start to "Summer" in over 15 years.. observations taken in morning here since 1983. pic.twitter.com/lp912GVLsK

— NWS CWSU BOSTON (@NWSCWSUZBW) June 16, 2019