Climatological Report (Monthly)
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000
CXAK58 PADQ 020039
CLMADQ


CLIMATE REPORT
NATIONAL WEATHER SERVICE ANCHORAGE, AK
336 PM AKST MON JAN 1 2018

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

...THE KODIAK CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1913 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              62   12/12/1929
 LOW               -9   12/30/1916
HIGHEST            46                MM      MM       43
LOWEST             19                MM      MM       13
AVG. MAXIMUM     41.5              36.1     5.4     36.6
AVG. MINIMUM     31.0              26.3     4.7     26.3
MEAN             36.2              31.2     5.0     31.5
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               6.9    -6.9        2
DAYS MIN <= 32     18              21.3    -3.3       24
DAYS MIN <= 0       0               0.1    -0.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS          12.87              8.73    4.14     4.11
DAILY AVG.       0.42              0.28    0.14     0.13
DAYS >= .01        22              19.6     2.4       14
DAYS >= .10        14              13.4     0.6        8
DAYS >= .50        11               6.5     4.5        3
DAYS >= 1.00        6               2.7     3.3        2
GREATEST
 24 HR. TOTAL    1.75   12/22 TO 12/22           12/24 TO 12/25
                                                          12/05 TO 12/05
                                                          12/05 TO 12/05
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    12/25(00) TO 12/25(00)
                                                 12/05(00) TO 12/05(00)5
                                                 12/05(00) TO 12/05(00)5

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   MM
 24 HR TOTAL       MM
 SNOW DEPTH        MM   MM
TOTALS            2.4              13.8   -11.4      3.6
SINCE 7/1         9.9              21.3   -11.4      5.6
SNOWDEPTH AVG.      0                 3      -3        0
DAYS >= TRACE       5               8.4    -3.4       14
DAYS >= 1.0         1               3.7    -2.7
GREATEST
 SNOW DEPTH         1   12/29                          3  12/08
                                                          12/07
 24 HR TOTAL      1.8   12/29 TO 12/29           12/05 TO 12/05
                                                          12/05 TO 12/05
                                                          12/05 TO 12/05
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL     885              1048    -163     1033
 SINCE 7/1       3448              3843    -395     3235
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 1      -1       29

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          MM
......................................................

WIND (MPH)
AVERAGE WIND SPEED              12.6
RESULTANT WIND SPEED/DIRECTION   6/103
HIGHEST WIND SPEED/DIRECTION    47/080    DATE  12/31
HIGHEST GUST SPEED/DIRECTION    58/040    DATE  12/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY         16

AVERAGE RH (PERCENT)     86

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                      15
LIGHT RAIN               21     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                6     SLEET                      0
FOG                      22     FOG W/VIS <= 1/4 MILE      0
HAZE                      2

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

$$



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