Hey 'slim' I had about the same GS (415kts) in the old Beech going East to YMER during the CB fires a few years back. Climbed up to 31K to get on top of the smoke & got a wicked jetstream
I was almost dizzy up there!:-)Coming back to EN ....12K & crawling
Another time back in the 80's going to BDV in a C172 with 2 young ladies we where in a group of 4 planes. Howling Nth wind meant we had to stop at MIA for fuel & a 'relief' stop for the girls. 60 kts or so across the ground was the best I could work out pre GPS days, not too sure what was worse the screaming headwinds or the screaming girls....I wanna go to the toilet!
Wmk2