On my one dedicated hunting trip in Alaska one of the party had a fine thermometer that measured both minimum and maximum daily temps.He took the morning reading, factored in wind chill, crawled out of his -40 degree bag,dressed and went outside. I mumbled to the other members of our group " is he crazy?" to which a reply came " he won't be gone long." I was getting worried when he came back very angry. Seems a fine bull moose presented himself for a shot,at which time the cartridge primer failed to detonate in the extreme cold. Nature gives the observant eye a complete weather station ( augmented with a good portable radio to get reports from distant fronts.) Lose the thermometer <img src="images/graemlins/grin.gif" alt="" />