The term somatic means 'of the body' - relating to the body. In medicine, somatic illness is bodily, not mental illness. The term is often used in biology to refer to the cells of the body in contrast to the germ line cells which usually give rise to the gametes.
South central Alaska has similar weather, with average temperature highs of 55 degrees Fahrenheit in both May and September; average temperatures range between 62 and 65 degrees F in June, July and August.
The north side of the park is part of the Alaskan continental climate zone and is generally hotter during the summer than the south part, the transitional maritime zone. Temperatures can reach up to 90 degrees Fahrenheit at the height of summer (July) but can fluctuate, even falling below freezing at night.