Climatological Report (Monthly)
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000
CXAK58 PACD 011431
CLMCDB


CLIMATE REPORT
NATIONAL WEATHER SERVICE ANCHORAGE, AK
526 AM AKST SUN JAN 1 2017

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

...THE COLD BAY CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1942 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              54   12/11/1990
                        12/24/1973
 LOW               -9   12/29/1950
HIGHEST            50                MM      MM       41
LOWEST             15                MM      MM       17
AVG. MAXIMUM     37.6              35.6     2.0     36.5
AVG. MINIMUM     28.6              26.6     2.0     28.2
MEAN             33.1              31.1     2.0     32.4
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      5               7.2    -2.2        3
DAYS MIN <= 32     20              21.4    -1.4       24
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           5.67              4.46    1.21     7.31
DAILY AVG.       0.18              0.14    0.04     0.24
DAYS >= .01        29              23.6     5.4       29
DAYS >= .10        18              11.7     6.3       20
DAYS >= .50         3               2.2     0.8        5
DAYS >= 1.00        0               0.7    -0.7        0
GREATEST
 24 HR. TOTAL    0.70   12/15 TO 12/16           12/07 TO 12/07
                                                          12/04 TO 12/04
                                                          12/04 TO 12/04
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    12/07(00) TO 12/07(00)
                                                 12/04(00) TO 12/04(00)4
                                                 12/04(00) TO 12/04(00)4

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   MM
 24 HR TOTAL       MM
 SNOW DEPTH        MM   MM
TOTALS           15.1              12.6     2.5      0.0
SINCE 7/1        16.9              25.2    -8.3      0.0
SNOWDEPTH AVG.      1                 3      -2        0
DAYS >= TRACE      24              14.1     9.9        0
DAYS >= 1.0         4               4.9    -0.9
GREATEST
 SNOW DEPTH         8   12/11                          3  12/12
 24 HR TOTAL      5.4   12/09 TO 12/09           12/04 TO 12/04
                                                          12/04 TO 12/04
                                                          12/04 TO 12/04
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL     980              1051     -71      906
 SINCE 7/1       3330              4071    -741     3271
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST      12/01             MM
LATEST                          MM
.....................................................

WIND (MPH)
AVERAGE WIND SPEED              18.1
RESULTANT WIND SPEED/DIRECTION   4/158
HIGHEST WIND SPEED/DIRECTION    56/130    DATE  12/23
HIGHEST GUST SPEED/DIRECTION    71/130    DATE  12/23

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            1
NUMBER OF DAYS PC             17
NUMBER OF DAYS CLOUDY         13

AVERAGE RH (PERCENT)     86

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                      11
LIGHT RAIN               21     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       5
LIGHT SNOW               26     SLEET                      0
FOG                      28     FOG W/VIS <= 1/4 MILE      2
HAZE                      0

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

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