My July mean temperature is currently at 15.4C, the same for June 2007.

Min Max Mean
July 11.4C 19.4C 15.4C
June 11.1C 19.6C 15.4C

I wonder how many times in the past has June ended up being warmer than
July.

Anybody currently recording this July's mean temperature as less than June
2007.
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Nick G
Otter Valley, Devon
83 m amsl
http://www.ottervalley.co.uk