Example 2: 1  a sporadic form, which is caused by a somatic mutation in each of the two RB genes in a cell. 2  a familial (inherited) form, which is caused by a somatic mutation to one RB gene in a cell that already has one mutant RB gene inherited through the germline from a parent.
For the month of September 2012, Ketchikan reported average temperatures of 53.3Â°F, 0.8Â°F above the long-term mean of 52.5Â°F. The maximum temperature for the month was 67Â°F, which occurred on the 7th, while the minimum (41Â°F) was reported on the 16th.
Alaska: Annual Weather Averages. July is the hottest month in Alaska with an average temperature of 22Â°C (72Â°F) and the coldest is January at -5Â°C (23Â°F). The wettest month is August with an average of 140mm of rain. Loading weather data.