Rainfall above average in Ketchikan
July 2007 Alaska Weather Summary
August 09, 2007
Much of Alaska experienced a warmer than normal July this year,
save for Southcentral and parts of the Panhandle. The strongest
temperature departures were for the northwest portion of the
state. Precipitation was plentiful in Southeast and parts of
the Interior, though dry conditions prevailed in the northwest.
It was especially dry on the Arctic coast.
Ketchikan had more than 10
inches of rainfall this July, and experienced only two days without
rain. The precipitation total was 3.63 inches above average for
the month. The highest daily total came on July 9, with 1.31
inches reported. Temperatures were near normal for July, with
57.7 degrees Fahrenheit as the monthly average. This was just
a few tenths of a degree cooler than normal. The average high
and low for the month was 64 degrees, and 51 degrees, respectively.
The highest observed temperatures were 71 degrees Fahrenheit
on July 12 and 17. The lowest observed temperature occurred on
July 7. It was a chilly 43 degrees Fahrenheit.
Precipitation was abundant
in Juneau this July, with 6.71 inches reported at the airport
during the month. This was a departure from normal by 2.57 inches.
Only three days during the month were without rainfall. Temperatures
were quite close to normal, with a monthly average of 56.6 degrees
Fahrenheit, just two tenths of a degree below average. The average
high, 63 degrees, and the average low, 51 degrees, were also
near normal for July. The high for the month was 71 degrees,
and occurred on July 15. The low, 44 degrees, was reported on
July 3. Fog was reported on 24 days during the month, and winds
were relatively light. The mean monthly wind speed was 5.2 mph.
Fairbanks rounded out July
with weather conditions similar to the previous month-warmer
and wetter than normal. The average high for July was a balmy
74 degrees Fahrenheit and the average low was 55 degrees Fahrenheit,
which was a bit warmer than normal. The mean monthly temperature
was two degrees above average at 64.4 degrees Fahrenheit. The
daily high temperature rose to 80 degrees, or higher, four times
during July. It was 70 degrees, or warmer, on 25 days of the
month. The mercury hit 82 degrees on July 3, 4, and 26. Temperatures
dipped down to 47 degrees on July 16. Precipitation totaled 3.67
inches at the Fairbanks International Airport, a departure from
normal of more than1.94 inches. Winds were light, averaging just
3 mph. However, a 35-mph gust out of the southeast occurred July
9. Thunderstorms were reported in the Fairbanks area on 10 days
during the month.
Temperatures averaged slightly above normal in Big Delta this
July. The average temperature for the month was 62.1 degrees
Fahrenheit, which is 1.3 degrees above average. The daytime highs
averaged almost 71 degrees and the nighttime lows averaged 54
degrees, both of which were warmer than normal. The high for
the month, 79 degrees Fahrenheit, was reported on July 26. The
low for the month occurred on July 6. It was 48 degrees. There
were 17 days with measurable precipitation, mostly occurring
during the first half of the month, for a total of 2.06 inches.
Precipitation was 0.71 of an inch below average.
This July, conditions in Anchorage were close to climatology.
In fact, the mean monthly temperature of 58.4 degrees Fahrenheit
is the climatological normal, or 30-year average, for July. The
average high for the month was 65 degrees. The average low was
52 degrees. The highest temperature of the month was 75 degrees,
which occurred on July 29. The lowest recorded temperature was
48 degrees on July 3, 6, and 21. A total of 1.81 inches of precipitation
was reported for the month, 0.11 of an inch above average. The
highest daily precipitation total, 0.44 of an inch, occurred
Precipitation is normally quite light in Barrow. However, July
reported only two days with measurable rainfall for a total of
0.04 of an inch. This total is 5 percent of the average July
total of 0.87 of an inch. Along with the dryness came relative
warmth, as the mean monthly temperature was 3.8 degrees Fahrenheit
above average at 44.2 degrees. The average high temperature was
50.6 degrees. The average low temperature in July was a few degrees
above freezing at 38 degrees Fahrenheit. Three new daily high
temperature records were set during the month: 73 degrees on
July 7; 67 degrees on July 6; and 65 degrees on July 18. The
temperature did reach the freezing point on July 12, which was
the low for the month.
July brought warmer and drier than normal weather to Nome this
year. The average temperature, 55.5 degrees Fahrenheit, was a
3.3-degree departure from normal. The average high and low for
the month was 63 degrees Fahrenheit and 48 degrees Fahrenheit,
respectively. Both were a few degrees above average. There was
a 41-degree difference between the highest and lowest observed
temperatures for the month. It was 39 degrees on July 1, and
80 degrees on July 3. The high, 76 degrees Fahrenheit, occurred
on July 5, and set a record for that date. Precipitation was
1.41 inches below average, with 0.74 of an inch. Measurable precipitation
occurred on 11 days during the month. Winds average 7.2 mph at
the airport. However, a 31-mph wind from
the west was reported on July 18, which was the greatest experienced
for the month.
Conditions were near normal in King Salmon this July. The mean
temperature of the month was just a tenth of a degree cooler
than normal at 55.2 degrees Fahrenheit. A record low temperature
was reported on July 17. It was 39 degrees. This also was the
low for the month, and occurred on July 2 as well. The high for
July was 78 degrees Fahrenheit, which occurred on July 27. The
average high and lows for the month were 64 and 51 degrees, respectively.
Precipitation totaled 1.74 inches, which was slightly below normal
for July. Winds averaged 7.8 mph and a high wind gust of 38 mph
out of the northeast was reported on July 25.
This information consists of
preliminary climatological data that was compiled at the Alaska
Climate Research Center, Geophysical Institute, University of
Alaska Fairbanks. For more information on weather and climatology,
visit the center's web site at http://climate.gi.alaska.edu
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Alaska Climate Research Center,
Geophysical Institute, University of Alaska Fairbanks
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