Fuel EX 9.8. Sunny, cold - low to mid 20's, brisk SW winds @ 14-16 mph. Great ride and trail conditions were sweet - after a bit of thaw on Thursday and Friday, really cold overnight conditions made the packed trails perfect for riding, except for the North Prickly Prairie, which had a lot of slick ice spots. Really felt the wind heading South today - had a chilling effect and made progress much more difficult. Good speed for snowy conditions, as usual had to watch it on the turns and the off-camber sections. Only my second time riding the Even days route. On the way out, rode the South and North Loops 1-1/2 times each, then on the return did the full South loop again. Stayed pretty warm but as usual started to feel it in the toes around 1.5 hours into the ride. Saw 7 deer today and ran into 7 other riders on the trail even though there were a lot more cars in the lot, so I suspect some of them were riding on the East trails. With all the steep climbs and off-camber sections on the East side, I don't think my MTB would perform as well in the snow without studded tires.