197  
CXAK58 PAKN 041935  
CLMAKN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ANCHORAGE, AK  
1134 AM AKDT WED OCT 4 2017  
   
...............................
 
 
   
..THE KING SALMON CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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 75 MM  
LOW 25 09/30/2017  
09/27/2016  
01/22/2000  
HIGHEST 65 MM MM 75  
LOWEST 25R MM MM 25  
AVG. MAXIMUM 56.7 55.5 1.2 61.3  
AVG. MINIMUM 39.9 39.7 0.2 41.4  
MEAN 48.3 47.6 0.7 51.3  
DAYS MAX >= 90 0 0.0 0.0 0  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 7 5.2 1.8 5  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM MM MM  
MINIMUM MM MM  
TOTALS 3.94 3.19 0.75 4.83  
DAILY AVG. 0.13 0.11 0.02 0.16  
DAYS >= .01 18 18.0 0.0 20  
DAYS >= .10 9 9.5 -0.5 10  
DAYS >= .50 2 1.4 0.6 5  
DAYS >= 1.00 1 0.2 0.8 0  
GREATEST  
24 HR. TOTAL 1.01 09/22 TO 09/22 09/11 TO 09/11  
09/30 TO 09/30  
09/30 TO 09/30  
STORM TOTAL MM MM  
(MM/DD(HH)) MM 09/11(00) TO 09/11(00)  
09/30(00) TO 09/30(00)0  
09/30(00) TO 09/30(00)0  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL MM MM  
24 HR TOTAL MM  
SNOW DEPTH MM MM  
TOTALS T 0.1 -0.1 0.0  
SINCE 7/1 T 0.1 -0.1 0.0  
SNOWDEPTH AVG. 0 MM MM 0  
DAYS >= TRACE 1 0.2 0.8 0  
DAYS >= 1.0 0 0.0 0.0  
GREATEST  
SNOW DEPTH 0 MM 0 MM  
24 HR TOTAL T 09/19 TO 09/19 09/30 TO 09/30  
09/30 TO 09/30  
09/30 TO 09/30  
STORM TOTAL MM MM  
(MM/DD(HH)) MM  
 
DEGREE_DAYS  
HEATING TOTAL 494 522 -28 403  
SINCE 7/1 991 1138 -147 720  
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 8.7  
RESULTANT WIND SPEED/DIRECTION 1/095  
HIGHEST WIND SPEED/DIRECTION 31/160 DATE 09/12  
HIGHEST GUST SPEED/DIRECTION 46/170 DATE 09/12  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.70  
NUMBER OF DAYS FAIR 3  
NUMBER OF DAYS PC 8  
NUMBER OF DAYS CLOUDY 19  
 
AVERAGE RH (PERCENT) 81  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 0 RAIN 3  
LIGHT RAIN 21 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 2 SLEET 0  
FOG 13 FOG W/VIS <= 1/4 MILE 3  
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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