Climatological Report (Monthly)
Issued by NWS

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CXAK58 PACD 012133 CCA
CLMCDB

CLIMATE REPORT
NATIONAL WEATHER SERVICE ANCHORAGE, AK
621 AM AKST TUE JAN 1 2019

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

...THE COLD BAY CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1942 TO 2018

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            45                MM      MM       50
LOWEST             14                MM      MM       13
AVG. MAXIMUM     34.9              35.6    -0.7     38.6
AVG. MINIMUM     25.7              26.6    -0.9     28.1
MEAN             30.3              31.1    -0.8     33.4
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     10               7.2     2.8        2
DAYS MIN <= 32     26              21.4     4.6       21
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           4.71              4.46    0.25     4.63
DAILY AVG.       0.15              0.14    0.01     0.15
DAYS >= .01        22              23.6    -1.6       23
DAYS >= .10        12              11.7     0.3       13
DAYS >= .50         4               2.2     1.8        1
DAYS >= 1.00        0               0.7    -0.7        1
GREATEST
 24 HR. TOTAL    0.78   12/29 TO 12/29           12/22 TO 12/22
                                                          12/22 TO 12/22EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                          12/22 TO 12/22EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    12/22(00) TO 12/22(00)
                                                 12/22(00) TO 12/22(00)2EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                 12/22(00) TO 12/22(00)2EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   MM
 24 HR TOTAL       MM
 SNOW DEPTH        MM   MM
TOTALS           21.5              12.6     8.9     20.8
SINCE 7/1        24.7              25.2    -0.5     23.0
SNOWDEPTH AVG.      2                 3      -1        2
DAYS >= TRACE      22              14.1     7.9       19
DAYS >= 1.0         7               4.9     2.1
GREATEST
 SNOW DEPTH         5   12/19                         10  12/22
 24 HR TOTAL      4.0   12/09 TO 12/09           12/22 TO 12/22
                                                          12/22 TO 12/22EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                          12/22 TO 12/22EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL    1065              1051      14      970
 SINCE 7/1       3607              4071    -464     3693
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0

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

WIND (MPH)
AVERAGE WIND SPEED              18.2
RESULTANT WIND SPEED/DIRECTION   5/347
HIGHEST WIND SPEED/DIRECTION    67/150    DATE  12/29
HIGHEST GUST SPEED/DIRECTION    79/150    DATE  12/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            2
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY         17

AVERAGE RH (PERCENT)     82

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM               0                 MIXED PRECIP       10
HEAVY RAIN                 0                 RAIN                7
LIGHT RAIN                 14                FREEZING RAIN       0
LT FREEZING RIAN           2                 HAIL                0
HEAVY SNOW                 5                 SNOW                9
LIGHT SNOW                 2                 SLEET               0
FOG                       24                 FOG W/VIS <= 1/4 MILE 8
HAZE                       9


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

$$


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