Climatological Report (Daily)
Issued by NWS Anchorage, AK

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000
CDAK48 PAFC 121236
CLIANC

CLIMATE REPORT
NATIONAL WEATHER SERVICE ANCHORAGE, AK
335 AM AKST TUE DEC 12 2017


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

...THE ANCHORAGE AK CLIMATE SUMMARY FOR DECEMBER 11 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1952 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         46        MM  47    1985  25     21       16
  MINIMUM         37        MM -25    1955  14     23        1
  AVERAGE         42                        19     23        9

PRECIPITATION (IN)
  YESTERDAY        T             0.47 2011   0.04  -0.04
  MONTH TO DATE    0.23                      0.42  -0.19
  SINCE SEP 1      6.50                      6.60  -0.10
  SINCE JAN 1     18.44                     15.89   2.55

SNOWFALL (IN)
  YESTERDAY        0.0           6.0  2007   0.6   -0.6      0.0
  MONTH TO DATE    1.0                       6.2   -5.2      9.0
  SINCE SEP 1      9.3                      27.6  -18.3     12.9
  SINCE JUL 1      9.3                      27.6  -18.3     12.9
  SNOW DEPTH       4

DEGREE DAYS
 HEATING
  YESTERDAY       23                              -23
  MONTH TO DATE  358                             -141
  SINCE DEC 1    358                             -141
  SINCE JUL 1   3232                             -431

 COOLING
  YESTERDAY        0                                0
  MONTH TO DATE    0                                0
  SINCE DEC 1      0                                0
  SINCE JAN 1      3                                1
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    27   HIGHEST WIND DIRECTION    SE (150)
  HIGHEST GUST SPEED    45   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED    16.3




RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85
 LOWEST     53
 AVERAGE    69

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


THE ANCHORAGE AK CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   25        46      1989
 MINIMUM TEMPERATURE (F)   14       -25      1956


SUNRISE AND SUNSET
DECEMBER 12 2017......SUNRISE  1006 AM AKST  SUNSET   342 PM AKST
DECEMBER 13 2017......SUNRISE  1007 AM AKST  SUNSET   342 PM AKST

CIVIL TWILIGHT
DECEMBER 12 2017        START    905 AM GMT     END    443 PM GMT
DECEMBER 13 2017        START    906 AM GMT     END    443 PM GMT



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




$$
&&
------------------------------------------------------
AMOUNT OF DAYLIGHT TODAY  (HOUR:MIN)........ 5:36
GAIN/LOSS SINCE YESTERDAY (HOUR:MIN:SEC)....-0:01:50



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