197  
CXAK58 PAKN 012208 CCA  
CLMAKN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ANCHORAGE, AK  
1026 AM AKST TUE JAN 1 2019  
   
...............................
 
 
   
..THE KING SALMON CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1917 TO 2018  
 
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 46 MM MM 44  
LOWEST -26 MM MM 5  
AVG. MAXIMUM 22.9 26.4 -3.5 37.0  
AVG. MINIMUM 7.5 10.8 -3.3 24.5  
MEAN 15.2 18.6 -3.4 30.7  
DAYS MAX >= 90 0 0.0 0.0 0  
DAYS MAX <= 32 16 16.2 -0.2 6  
DAYS MIN <= 32 22 27.2 -5.2 27  
DAYS MIN <= 0 9 9.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM MM MM  
MINIMUM MM MM  
TOTALS 1.73 1.23 0.50 1.81  
DAILY AVG. 0.06 0.04 0.02 0.06  
DAYS >= .01 17 12.3 4.7 13  
DAYS >= .10 5 4.1 0.9 7  
DAYS >= .50 1 0.2 0.8 0  
DAYS >= 1.00 0 0.0 0.0 0  
GREATEST  
24 HR. TOTAL 0.57 12/05 TO 12/05 12/15 TO 12/15  
12/04 TO 12/04EATHER OBSERVED NORMAL DEPART LAST YEAR'S  
12/04 TO 12/04EATHER OBSERVED NORMAL DEPART LAST YEAR'S  
STORM TOTAL MM MM  
(MM/DD(HH)) MM 12/15(00) TO 12/15(00)  
12/04(00) TO 12/04(00)4EATHER OBSERVED NORMAL DEPART LAST YEAR'S  
12/04(00) TO 12/04(00)4EATHER OBSERVED NORMAL DEPART LAST YEAR'S  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL MM MM  
24 HR TOTAL MM  
SNOW DEPTH MM MM  
TOTALS 5.6 9.5 -3.9 2.9  
SINCE 7/1 7.4 19.3 -11.9 8.1  
SNOWDEPTH AVG. 1 3 -2 0  
DAYS >= TRACE 13 8.8 4.2 9  
DAYS >= 1.0 2 3.0 -1.0  
GREATEST  
SNOW DEPTH 3 12/29 1 12/20  
12/28 12/19  
12/18  
24 HR TOTAL 1.6 12/13 TO 12/13 12/04 TO 12/04  
12/04 TO 12/04EATHER OBSERVED NORMAL DEPART LAST YEAR'S  
12/04 TO 12/04EATHER OBSERVED NORMAL DEPART LAST YEAR'S  
STORM TOTAL MM MM  
(MM/DD(HH)) MM  
 
DEGREE_DAYS  
HEATING TOTAL 1188 1438 -250 1055  
SINCE 7/1 3696 4815 -1119 3991  
COOLING TOTAL 0 0 0 0  
SINCE 1/1 1 1 0 1  
 
FREEZE DATES  
RECORD  
EARLIEST MM  
LATEST MM  
EARLIEST 12/02 MM  
LATEST MM    
.............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 9.3  
RESULTANT WIND SPEED/DIRECTION 2/061  
HIGHEST WIND SPEED/DIRECTION 41/190 DATE 12/31  
HIGHEST GUST SPEED/DIRECTION 60/180 DATE 12/31  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.60  
NUMBER OF DAYS FAIR 6  
NUMBER OF DAYS PC 13  
NUMBER OF DAYS CLOUDY 12  
 
AVERAGE RH (PERCENT) 79  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 3  
HEAVY RAIN 0 RAIN 2  
LIGHT RAIN 8 FREEZING RAIN 0  
LT FREEZING RAIN 2 HAIL 0  
HEAVY SNOW 1 SNOW 2  
LIGHT SNOW 17 SLEET 0  
FOG 23 FOG W/VIS <= 1/4 MILE 1  
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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