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CXAK58 PAKN 020039
CLMAKN


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

...THE KING SALMON CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1917 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR'S         
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)      
                                          NORMAL                      
................................................................
TEMPERATURE (F)
RECORD
 HIGH              54   12/06/2013                                    
 LOW              -38   12/19/2001                                    
                        12/17/1942                                    
HIGHEST            44                MM      MM       46              
LOWEST              5                MM      MM      -23              
AVG. MAXIMUM     37.0              26.4    10.6     26.3              
AVG. MINIMUM     24.5              10.8    13.7     11.4              
MEAN             30.7              18.6    12.1     18.8              
DAYS MAX >= 90      0               0.0     0.0        0              
DAYS MAX <= 32      6              16.2   -10.2       17              
DAYS MIN <= 32     27              27.2    -0.2       28              
DAYS MIN <= 0       0               9.0    -9.0       10              

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM                                            
 MINIMUM           MM   MM                                            
TOTALS           1.81              1.23    0.58     1.09              
DAILY AVG.       0.06              0.04    0.02     0.04              
DAYS >= .01        13              12.3     0.7       14              
DAYS >= .10         7               4.1     2.9        6              
DAYS >= .50         0               0.2    -0.2        0              
DAYS >= 1.00        0               0.0     0.0        0              
GREATEST
 24 HR. TOTAL    0.37   12/15 TO 12/15           12/29 TO 12/29       
                                                          12/05 TO 12/05
                                                          12/05 TO 12/05
 STORM TOTAL       MM                                 MM              
 (MM/DD(HH))            MM                    12/29(00) TO 12/29(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            2.9               9.5    -6.6      5.5              
SINCE 7/1         8.1              19.3   -11.2     10.1              
SNOWDEPTH AVG.      0                 3      -3        2              
DAYS >= TRACE       9               8.8     0.2       18              
DAYS >= 1.0         1               3.0    -2.0                       
GREATEST
 SNOW DEPTH         1   12/20                          5  12/10       
                        12/19                             12/09       
                        12/18                             12/08       
 24 HR TOTAL      1.2   12/04 TO 12/04           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    1055              1438    -383     1422              
 SINCE 7/1       3991              4815    -824     4148              
COOLING TOTAL       0                 0       0        0              
 SINCE 1/1          1                 1       0        0              

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

WIND (MPH)
AVERAGE WIND SPEED              10.7
RESULTANT WIND SPEED/DIRECTION   7/094
HIGHEST WIND SPEED/DIRECTION    45/100    DATE  12/23
HIGHEST GUST SPEED/DIRECTION    62/100    DATE  12/31

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM                                      
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     89

WEATHER CONDITIONS. NUMBER OF DAYS WITH 
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       4
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW               10     SLEET                      0
FOG                      23     FOG W/VIS <= 1/4 MILE      6
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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