Climatological Report (Monthly)
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000
CXAK57 PAYA 020947
CLMYAK

CLIMATE REPORT
NATIONAL WEATHER SERVICE YAKUTAT, AK
147 AM AKDT TUE JUN 2 2015

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

...THE YAKUTAT AP CLIMATE SUMMARY FOR THE MONTH OF MAY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              79   5/21/1963
 LOW               21   5/01/1972
HIGHEST            67   5/13         67       0      73  5/02
LOWEST             28                27       1      28  5/01
AVG. MAXIMUM       54.6              52.3     2.3    56.0
AVG. MINIMUM       40.3              37.2     3.1    38.3
MEAN               47.5              44.7     2.8    47.1
DAYS MAX >= 90      0                 0.0     0.0     0
DAYS MAX <= 32      0                 0.0     0.0     0
DAYS MAX >= 80      0                 0.0     0.0     0
DAYS MAX >= 70      0                 0.7    -0.7     1
DAYS MIN <= 32      5                 7.8    -2.8     5
DAYS MIN <= 0       0                 0.0     0.0     0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           18.95   1965
 MINIMUM            1.62   2015
TOTALS              1.62              8.21   -6.59    4.13
DAILY AVG.          0.05              0.26   -0.21    0.13
DAYS >= .01         8                17.5    -9.5     8
DAYS >= .10         4                12.4    -8.4     5
DAYS >= .50         1                 5.3    -4.3     2
DAYS >= 1.0         0                 2.6    -2.6     2
GREATEST
 24 HR TOTAL        0.62   5/08                       1.77  5/19

SNOWFALL (INCHES)
RECORDS
 TOTAL             15.0   1965
 24 HR TOTAL        7.0   5-06-1965
 SNOW DEPTH        62     5-01-1972
TOTALS              0.0               0.4    -0.4     0.0
SINCE 7/1          47.1             155.0  -107.9   109.0
SNOWDEPTH AVG.      0                 0       0       0
DAYS >= TRACE       0                 1.3    -1.3     0
DAYS >= 1.0         0                 0.2    -0.2     0
DAYS >= 6.0         0                 0.0     0.0     0
GREATEST
 SNOW DEPTH         0   MM                            0  MM
 24 HR TOTAL      0.0   MM                          0.0  MM

DEGREE_DAYS
HEATING TOTAL     534               628     -94     545
 SINCE 7/1       7662              8595    -933    8264
COOLING TOTAL       0                 0       0       0
 SINCE 1/1          0                 0       0       0
................................................................

WIND (MPH)
AVERAGE WIND SPEED                4.5
HIGHEST WIND SPEED/DIRECTION     17/130    DATE    05/9
HIGHEST GUST SPEED/DIRECTION     28/130    DATE    05/9

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER             MM
NUMBER OF DAYS FAIR           MM
NUMBER OF DAYS PC             MM
NUMBER OF DAYS CLOUDY         MM

AVERAGE RH (PERCENT)     MM

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     ICE PELLETS                 0
RAIN                     11     GLAZE                       0
DRIZZLE                   0     HAIL                        0
SNOW                      0     HAZE                        0
FOG                      17     FOG W/VIS <= 1/4 MILE       5
BLOWING SNOW              0


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&
THIS WAS A VERY DRY MAY. PERSISTENT RIDGING AND HIGH PRESSURE ALONG THE NORTH
PACIFIC GAVE US THE DRIEST MAY ON RECORD WITH ONLY 1.62 INCHES OF PRECIPITATION,
MORE THAN 6 AND A HALF INCHES BELOW OUR AVERAGE. THE HIGH PRESSURE ALSO LEFT MOST
OF OUR MORNINGS COVERED IN FOG WITH VISIBILITY LESS THAN A QUARTER MILE ON SOME
DAYS. THE ALTERNATING BLUE SKIES AND FOG DID NOT AFFECT OUR TEMPERATURE HOWEVER AND
AVERAGES FELL RIGHT ON TARGET.

$$
NJM JUN 15


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