Climatological Report (Monthly)
Issued by NWS St. Paul, AK

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000
CXAK58 PASN 020039
CLMSNP


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

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

...THE SAINT PAUL ISLAND CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              44   12/13/2016
                        12/03/1979
                        12/19/1970
 LOW               -3   12/31/1974
HIGHEST            43                MM      MM       44
LOWEST             15                MM      MM       14
AVG. MAXIMUM     35.8              33.0     2.8     38.6
AVG. MINIMUM     27.6              24.7     2.9     29.4
MEAN             31.7              28.9     2.8     34.0
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      5              10.7    -5.7        4
DAYS MIN <= 32     25              23.7     1.3       20
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           1.99              2.25   -0.26     3.60
DAILY AVG.       0.06              0.07   -0.01     0.12
DAYS >= .01        21              21.5    -0.5       26
DAYS >= .10         6               8.0    -2.0       11
DAYS >= .50         1               0.5     0.5        1
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.52   12/15 TO 12/15           12/31 TO 12/31
                                                          12/31 TO 12/31
                                                          12/31 TO 12/31
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    12/31(00) TO 12/31(00)
                                                 12/31(00) TO 12/31(00)1
                                                 12/31(00) TO 12/31(00)1

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   MM
 24 HR TOTAL       MM
 SNOW DEPTH        MM   MM
TOTALS            2.7              12.1    -9.4      4.5
SINCE 7/1         5.3              22.4   -17.1     11.1
SNOWDEPTH AVG.      1                 3      -2        0
DAYS >= TRACE      21              14.9     6.1       21
DAYS >= 1.0         2               3.8    -1.8
GREATEST
 SNOW DEPTH         3   12/13                          1  12/31
                        12/12                             12/02
                        12/11
 24 HR TOTAL      1.1   12/08 TO 12/08           12/31 TO 12/31
                                                          12/31 TO 12/31
                                                          12/31 TO 12/31
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL    1024              1121     -97      956
 SINCE 7/1       4102              4542    -440     3525
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              19.1
RESULTANT WIND SPEED/DIRECTION   2/052
HIGHEST WIND SPEED/DIRECTION    52/190    DATE  12/20
HIGHEST GUST SPEED/DIRECTION    65/180    DATE  12/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.80
NUMBER OF DAYS FAIR            2
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY         20

AVERAGE RH (PERCENT)     84

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW               31     SLEET                      0
FOG                      28     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

$$



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