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Fairbanks November 2011


In Fairbanks the average temperature was -8.2°F, a very substantial negative deviation (-10.8°F) from the November's long term mean. This discontinues the above normal temperatures that had been observed in September and October. The high temperature for the month was 25°F on the 4th of November, while the lowest temperature occurred on the 17th with a low of -41°F. Remarkable was the cold spell from the 15th to the 22nd November with low temperatures daily of -35°F or below. Six days of the week set new daily record lows. These temperatures were more typical in the 1960's, and four of those six broke records that had been set in 1969. Further, it was the 6th coldest November recorded in Fairbanks and this dataset exceeds a century in length. Precipitation in November was 0.46" water-equivalent, below the expected value of 0.67". This deficit in precipitation can be also seen from the lack of snowfall, just 9.2" for the month, which is below the mean value of 13.2". The combination of record cold temperatures and a snowfall deficit will enhance the penetration of frost into the ground, and problems with freezing sewer and water lines later in winter could be expected. Wind speed averaged 3.0 mph and the highest gust was 30 mph on the 14th. Sky conditions were for clear for 6 days, for 14 days partly cloudy and for 10 days overcast.