A little better, but still seems too high compared to modeled 2m temps.
What’s up with those times too? Max temps are 03:00 and mins closer to 12:00 or 15:00.
Meteocentre has reanalyses going back to 1948, but only H5, mslp, and thicknesses. They have the sketchier 1851-1947 reconstruction too.
https://meteocentre.com/reanalyses/get_reanalyses.php