Nome December 2010

In December 2010 Nome reported a mean monthly temperature of 4.7°F, 3.7°F below the long term normal. The maximum in temperature occurred on the 4th with 29°F, while the minimum was observed on the 29th with -24°F. Precipitation was above normal with a monthly sum of 1.46", 44% above of the normal of 1.01". Especially impressive was the 19th with an amount of 0.43", setting a new record Precipitation for that day.

Barrow December 2010

Barrow measured a mean monthly temperature of -9.2°F, somewhat above (+1.4°F) the long-term average. This is the only station of the 8 analyzed, which showed an above normal temperature deviation for December. The warmest temperature of 19°F was measured on the 20th, but 3 days later the temperature dropped to -30°F, the coldest day of the month. The 19th recorded also the strongest wind speed with 40 mph, destroying the surface inversion and bringing warmer air from aloft to the surface. The mean monthly wind speed was 12.0 mph, close to normal.

Ketchikan December 2010

Ketchikan observed in December 2010 a temperature close to normal, but a deficit in precipitation. The mean monthly temperature was 35.1°F, just 0.4°F below normal. On the 22nd, the temperature rose to 47°F, while on the 29th the minimum with 17°F occurred. Precipitation is high in the Southeast Panhandle and 9.63" where recorded for the month. This is still only 70% of the long-term mean. Three days, the 1st, 10th, and 11th, all recorded more than 1" for the day, each greater than the long-term means for precipitation in Interior and Northern Alaska for the month of December.

Juneau December 2010

Juneau was notably cold and dry in December 2010. The mean monthly temperature was measured as 22.7°F, a deviation of -6.0°F from the long term mean. The maximum temperature of the month occurred on the 5th with a pleasant 41°F, while the minimum was observed on the 20th with 3°F. Precipitation was light for this location with a monthly sum of 1.90", approximately 1/3 of the normal amount of 5.41" water-equivalent.

Anchorage December 2010

Anchorage experienced in December 2010 below normal temperatures. During the first week and towards the end of the month some days recorded above normal temperatures. Especially remarkable was the last day of the month with a maximum temperature of 38°F, while the minimum was observed on 24 December with -7°F. The monthly mean was calculated to 10.5°F, 7.0&Acirc° below the long term mean. There were 10 days of precipitation of at least 1/100-inch water-equivalent, the monthly sum being 0.87", 0.18" below the long term mean.

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