Well, I took your words, and bluntly ignored them (actually, just didn't read them until right now).
Went out and aimed my bike for Chamrousse, deciding that it would be wise to climb it "clockwise", so that I'm on the "cold" side for the climb, and on the sunny side for the decent. Did it the other way round last year, and suffered badly in the heat, only to the freeze my way down.
I left around 12:30 or so, with rain and thunderstorms announced for 15:00. I chose to ignore that, and rode the ~15mi to the foot of the real climb. At around 2.5kft of altitude the first thunder stormlet passed through. Rain wasn't too cold, but I was riding in sleeveless top and shorts - and don't possess a rain jacket. I think around the time the rain stopped, I started encountering the first few bits of snow at the roadside, at around 3k-4k ft.
The cold side being slightly less steep than the hot side, didn't really change much, as it meant I was running slightly higher gearing. Around 5k ft I really got into the suffering bit, with the ground being covered in snow all around, and me reaching cloud level, with visibility in the 50 ft range. Climb topped out at 5.5k.
Descent in the wet was ...exciting, which is not how I like my descents, but I made it down alive, and luckily it was not fogged up, so I could make some speed. I got quite cold, but not too bad, when I tucked my arms in. Not remembering the corners, and it being wet, I was braking into every blind apex, and of course, wet brakes don't work brilliantly.
The way back home then was just gruesome. My stomach started getting a bit tender, as instead of my usual banana based mix, I had switched to orange juice diluted 1:8 with water, and the extra acid wasn't too kindly received. After yesterdays pasta and this morning's cereal breakfast, at least I wasn't hurting for carbs, and made the ride with no food intake.
The last miles were in rain again, as the second thunderstormlet passed through, but apparently I made it home alive. I do feel quite brutalized though.
http://app.strava.com/activities/51921656
So I add 56 harmless looking miles, and 5k ft of climb. (ignore the strava value - they should get a smoothing algorithm for GPS altimeter data....)
New Total: 32282