Climatological Report (Monthly)
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000
CXAK57 PAJK 030036
CLMAJK
Climate Report
NATIONAL WEATHER SERVICE JUNEAU, AK
432 PM AKDT SAT SEP 2 2017

...................................

...The JUNEAU climate summary for the month of August 2017...

Climate normal period 1981 to 2010
Climate record period 1936 to 2017

Weather         Observed          Normal  Depart  Last Year`s
                 Value   Date(s)  Value   From    Value
                                          Normal
.............................................................
Temperature (F)
Record
 High              84   08/16/2004
                        08/10/2004
 Low               27   08/25/1948
                        08/31/1941
Highest            81   08/05        76       5
Lowest             46   08/29        40       6
                        08/01
Avg. Maximum     63.7              62.7     1.0
Avg. Minimum     50.1              49.0     1.1
Mean             56.9              55.9     1.0
Days Max >= 90      0               0.0     0.0
Days Max <= 32      0               0.0     0.0
Days Min <= 32      0               0.0     0.0
Days Min <= 0       0               0.0     0.0

Precipitation (inches)
Record
 Maximum        11.02   2006
 Minimum         0.56   1979
Totals           8.46              5.73    2.73
Daily Avg.       0.27              0.18    0.09
Days >= .01        19              19.1    -0.1
Days >= .10        16              12.5     3.5
Days >= .50         6               3.8     2.2
Days >= 1.00        2               1.0     1.0
Greatest
 24 Hr. Total    1.20   08/17 to 08/17

DEGREE_DAYS
HEATING TOTAL     244               284     -40
 SINCE 7/1        533               535      -2
COOLING TOTAL       1                 0       1
 SINCE 1/1          1                 2      -1

FREEZE DATES
EARLIEST                        10/02
LATEST                          05/06
..............................................................

Wind (mph)
Average Wind Speed              7.7
Highest Wind Speed/Direction    26/120    Date  08/31
Highest Gust Speed/Direction    35/120    Date  08/30


Weather Conditions. Number Of Days With
Thunderstorm              0     Mixed Precip               0
Heavy Rain                3     Rain                       9
Light Rain               22     Freezing Rain              0
Lt Freezing Rain          0     Hail                       0
Heavy Snow                0     Snow                       0
Light Snow                0     Sleet                      0
Fog                      19     Fog w/vis <= 1/4 mile      1
Haze                      0

-  Indicates negative numbers.
R  Indicates record was set or tied.
MM Indicates data is missing.
T  Indicates Trace Amount.

$$
...Wetter than normal August with a brief return to summer temps...

Summer returned to southeast Alaska for the first week and a half at
the beginning of the month with daytime highs well above normal and
overnight lows also above normal for most locations except the
northeast gulf coast. Some record highs were set as well during the
first week with temperatures rising to 80 degrees or above. In
total, at least 16 locations saw daytime highs during that first
week of 80 degrees or higher. Topping out the list of sites
experiencing truly hot temperatures was Skagway, which recorded 93
degrees for the daytime high on August 5th.

Summer warmth and dry weather was replaced with overly wet
conditions by the middle of the month. Soon thereafter, nearly all
locations had met or exceeded their normal monthly precipitation
totals. The exception was, once again, the northeast gulf coast.
Yakutat did end the month with above normal precipitation, but that
did not occur until the last week of the month. Multiple daily
rainfall records were set. Ketchikan International airport was
particularly notable with a three day total of over 9 inches and a
one day total of 4.18 inches on August 22nd. This smashed a 100 year
old record of 2.27 set back in 1917 and coincided with an
atmospheric river event that affected the entire panhandle.
Ketchikan also had the dubious distinction of experiencing the
rainiest summer on record with a 3-month total of 46.99 inches of
rain.

$$



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