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June temperatures normal, precipitation high, for most of state

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Posted: Sunday, July 24, 2011 9:48 am | Updated: 1:15 pm, Wed Jan 16, 2013.

FAIRBANKS - In June, temperatures were generally close to normal for all of Alaska. The highest positive deviation of the weather stations reviewed was in Nome with 1.9 degrees Fahrenheit. The largest negative deviation, minus 2.2 degrees Fahrenheit, occurred in King Salmon. Precipitation was varied. Four of the eight described stations provided above normal values, while four reported a deficit.

In Fairbanks the average temperature was 60.4 degrees Fahrenheit, 0.7 degrees above the long-term mean for June. The high temperature for the month, 88 degrees, occurred June 25. This high temperature caused a large number of thunderstorms, and 4,300 lightning strikes were reported during the day. Those lightning strikes generated 10 new wildfires.

The lowest temperature was 43 degrees Fahrenheit observed June 10. In general, daily temperatures for the month were close to normal and no new daily records, be it maxima or minima, were observed during the month.

Precipitation for the month was high, with a total of 1.77 inches, 26 percent above the expected value. Substantially more precipitation was recorded in the upper Chena Basin. In the Interior, large variations of precipitation are typical for the summer season. This is due to shower activity that is caused by thunderstorms, which are patchier than precipitation due frontal activity. The Chena River was close to flooding in June and there was some minor flooding on the Salcha River. Wind speed averaged 4.7 mph. The highest gust was 32 mph June 12.

Big Delta reported a mean temperature of 57.5 degrees Fahrenheit, which is exactly the long-term mean temperature for June.

The high temperature, 83 degrees, occurred June 25. The low temperature for the month, 41 degrees, occurred June 24. No new extreme temperatures were observed during the month.

Precipitation was below normal, totaling 2 inches, 19 percent below the expected amount. A new record rainfall was observed on June 28. A total 0.74 inches surpassed the record of 0.42 inches that was set in 1948.

In Juneau, the average temperature was 54 degrees Fahrenheit, slightly above normal for June. The monthly maximum was 72 degrees. The minimum temperature was 40 degrees.

Both occurred the same day, June 7. In general, the temperature followed fairly closely to the long-term mean. Precipitation totaled 4.25 inches, 26 percent above normal. On June 14, 1.03 inches of rain was measured.

This set a new record for the day. Average wind speed at the Juneau International Airport was 5.6 mph, with a high wind gust of 29 mph recorded June 6.

Anchorage recorded an average temperature of 54 degrees Fahrenheit, 0.7 degrees below normal for June. The highest temperature for the month was 70 degrees on June 24. The month’s low, 41 degrees, occurred June 17.

No temperature records were set during the month and the observed temperatures followed the expected values.

Precipitation was reported at 1.19 inches, which represents 12 percent above the expected value. The average monthly wind speed was 7.4 mph. A high gust of 44 mph occurred June 18.

In June, Nome reported a mean monthly temperature of 49.2 degrees Fahrenheit, 1.9 degrees above normal.

The maximum temperature occurred June 29. It was 68 degrees. The month’s coldest temperature was just above freezing at 33 degrees and occurred June 6. No new temperature extremes were observed at Nome during June. Precipitation was below normal, totaling 0.86 inches, which is three-quarters of the long-term mean. On June 20, a new record rainfall of 0.29 inches occurred, surpassing the old record of 0.23 inches from 1910. That record had remained unbroken for more than a century. The average wind speed for the month was 8.2 mph. The highest gust observed was 39 mph June 4.

Barrow reported an average June temperature of 35.2 degrees Fahrenheit, just slightly (0.2 degrees) above the long-term mean.

The warmest temperature for the month was 52 degrees June 17. The lowest temperature of 26 degrees occurred June 12. In general, the daily temperatures were close to normal and no new records were observed.

The average minimum temperature was 31.1 degrees Fahrenheit, just below the freezing point. Precipitation in Barrow totaled 0.54 inches, 69 percent above the normal value of 0.32 inches.

Snowfalls were recorded on 12 days of the month for a total accumulation of 0.8 inches. It is also worth nothing that for the snow year (July 1, 2010 to June 30, 2011) Barrow received 64.6 inches of snow, more than double the long-term mean of 28.5 inches. The mean monthly wind speed was measured as 14.7 mph, with a gust of 38 mph occurring on June 3.

King Salmon reported an average temperature of 48.7 degrees Fahrenheit, 2.2 degrees below the long-term mean. The high temperature for June was 64 degrees, recorded on the 26th. The month’s lowest temperature was 30 degrees on June 2, the last day with a frost.

This temperature was also the record low for the day.

The low temperature of 35 degrees on June 23 broke the 1949 record by one degree.

The precipitation total was measured at 2.77 inches, 63 percent above the longterm mean. Noteworthy was the rain of June 1 that totaled 0.40 inches and set a precipitation record for the day. The average wind speed was 8.2 mph and the highest gust was recorded at 45 mph on June 3.

In June, Ketchikan’s average temperature was 55 degrees Fahrenheit. This was 1.2 degrees above the long-term mean. The highest temperature of the month, 72 degrees, occurred June 27.

The month’s low temperature of 46 degrees occurred June 17. The mean monthly temperature was somewhat above the expected value.

However, daily temperatures followed the long-term normal values closely.

Monthly precipitation was measured at 2.84 inches, only 41 percent of the expected value of 6.95 inches for June.

This information consists of preliminary climatological data compiled by the Alaska Climate Research Center, Geophysical Institute, University of Alaska Fairbanks. For more information on weather and climatology, contact the center at 474-7885 or visit the center web site at http:// akclimate.org. Please report any errors to webmaster@akclimate.org.

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