August 1958 was a fairly wet month with an EWP of 102.9mm and a CET of 15.8
The most notable events of the month were the thunderstorms. On the 10th, storms dumped 31mm in 39 minutes on Waddington, whilst on the 22nd, 25mm fell in 39 minutes at Ringway, 39mm in one hour at Golders Green on north London and 90mm on Brill in Bucks. As a consequence flooding occurred. Here's some data from this month.
Mean Max: 17.1 (-0.2) Days with thunder: 2
Mean Max: 18.2 (-0.3) Days with thunder: 1
Mean Max: 19.8 (+0.5) Days with thunder: 7
Mean Max: 19.7 (-0.6) Days with thunder: 5
Mean Max: 20.2 (-1.3) Days with thunder: 6
Mean Max: 17.9 (-1.1) Days with thunder: 4
Mean Max: 17.5 (-0.6) Days with thunder: 0
The 10th of August was the warmest day of that month, whilst the 3rd was the coolest.
22nd August 1958