Lansing State Journal: At Mount Rainier National Park in Washington state, one of the oldest national parks in the U.S., operations for more than a century were built upon a predictable weather pattern. Heavy snows would begin to fall in autumn. The snow would grow thicker through winter until it packed 25 feet deep. In the spring, rain would replace the snow, and the snow pack would act like a giant sponge, soaking up all the water until the warm summer months would melt them all and fuel the rivers below. But by the...