negative sixteen!

Thanks to hand warmer because it was 3°F up at Brighton on Monday night. Usually I never feel that cold up there will all my gear on and moving around but this time, I felt it. It was soooo cold! I can't really relate to the temperature in °F so I had to figure out what would that be in °C. It's negative 16°C!
These little hotties (that's what the hand warmer were called) saved my life! They last for 8 hours.