066  
CXAK58 PACD 011355  
CLMCDB  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ANCHORAGE, AK  
555 AM AKDT MON OCT 1 2018  
   
...............................
 
 
   
..THE COLD BAY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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 70 MM  
LOW 31 09/19/2017  
HIGHEST 61 MM MM 58  
LOWEST 34 MM MM 31  
AVG. MAXIMUM 56.2 52.9 3.3 52.6  
AVG. MINIMUM 45.8 43.3 2.5 43.5  
MEAN 51.0 48.1 2.9 48.1  
DAYS MAX >= 90 0 0.0 0.0 0  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 0 0.3 -0.3 1  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM MM MM  
MINIMUM MM MM  
TOTALS 3.49 4.73 -1.24 3.12  
DAILY AVG. 0.12 0.16 -0.04 0.10  
DAYS >= .01 14 22.5 -8.5 23  
DAYS >= .10 8 11.4 -3.4 7  
DAYS >= .50 2 2.5 -0.5 2  
DAYS >= 1.00 1 0.6 0.4 0  
GREATEST  
24 HR. TOTAL 1.41 09/30 TO 09/30 09/21 TO 09/21  
09/30 TO 09/30EATHER OBSERVED NORMAL DEPART LAST YEAR'S  
09/30 TO 09/30EATHER OBSERVED NORMAL DEPART LAST YEAR'S  
STORM TOTAL MM MM  
(MM/DD(HH)) MM 09/21(00) TO 09/21(00)  
09/30(00) TO 09/30(00)0EATHER OBSERVED NORMAL DEPART LAST YEAR'S  
09/30(00) TO 09/30(00)0EATHER OBSERVED NORMAL DEPART LAST YEAR'S  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL MM MM  
24 HR TOTAL MM  
SNOW DEPTH MM MM  
TOTALS 0.0 T 0.0 0.0  
SINCE 7/1 0.0 T 0.0 0.0  
SNOWDEPTH AVG. 0 MM MM 0  
DAYS >= TRACE 0 0.1 -0.1 0  
DAYS >= 1.0 0 0.0 0.0  
GREATEST  
SNOW DEPTH 0 MM 0 MM  
24 HR TOTAL 0.0 09/30 TO 09/30 09/30 TO 09/30  
09/30 TO 09/30EATHER OBSERVED NORMAL DEPART LAST YEAR'S  
09/30 TO 09/30EATHER OBSERVED NORMAL DEPART LAST YEAR'S  
STORM TOTAL MM MM  
(MM/DD(HH)) MM  
 
DEGREE_DAYS  
HEATING TOTAL 411 507 -96 501  
SINCE 7/1 1163 1346 -183 1252  
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 14.2  
RESULTANT WIND SPEED/DIRECTION 1/249  
HIGHEST WIND SPEED/DIRECTION 58/140 DATE 09/29  
HIGHEST GUST SPEED/DIRECTION 71/140 DATE 09/29  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.80  
NUMBER OF DAYS FAIR 0  
NUMBER OF DAYS PC 7  
NUMBER OF DAYS CLOUDY 23  
 
AVERAGE RH (PERCENT) 88  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
0  
6  
0  
0  
0  
0  
5  
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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