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CDAK48 PAFC 171306
CLICDB


CLIMATE REPORT
NATIONAL WEATHER SERVICE ANCHORAGE, AK
405 AM AKST SUN DEC 17 2017


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

...THE COLD BAY CLIMATE SUMMARY FOR DECEMBER 16 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1942 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         40    438 AM  47    1948  36      4       43
  MINIMUM         31    251 AM   1    1976  27      4       31
  AVERAGE         36                        31      5       37

PRECIPITATION (IN)
  YESTERDAY        0.21          1.41 1978   0.15   0.06     0.04
  MONTH TO DATE    1.52                      2.54  -1.02     3.43
  SINCE SEP 1     14.45                     17.01  -2.56    20.13
  SINCE JAN 1     34.01                     39.75  -5.74    39.43

SNOWFALL (IN)
  YESTERDAY        0.9           2.3  2015   0.4    0.5      0.0
  MONTH TO DATE    3.6                       6.5   -2.9     11.6
  SINCE SEP 1      5.8                      19.1  -13.3     13.4
  SINCE JUL 1      5.8                      19.1  -13.3     13.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       29                        34     -5       28
  MONTH TO DATE  482                       529    -47      522
  SINCE DEC 1    482                       529    -47      522
  SINCE JUL 1   3205                      3549   -344     2872

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    41   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    48   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    19.1



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HEAVY RAIN
  LIGHT RAIN
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92
 LOWEST     70
 AVERAGE    81

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


THE COLD BAY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        49      1971
 MINIMUM TEMPERATURE (F)   27         0      1973


SUNRISE AND SUNSET
DECEMBER 17 2017......SUNRISE  1013 AM AKST  SUNSET   521 PM AKST
DECEMBER 18 2017......SUNRISE  1014 AM AKST  SUNSET   522 PM AKST


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




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