054  
CXAK58 PABE 020039  
CLMBET  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ANCHORAGE, AK  
336 PM AKST MON JAN 1 2018  
   
...............................
 
 
   
..THE BETHEL CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1948 TO 2017  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 90 12/27/2016  
LOW -44 12/31/1948  
HIGHEST 41 MM MM 39  
LOWEST -4 MM MM -18  
AVG. MAXIMUM 30.3 16.8 13.5 19.4  
AVG. MINIMUM 19.4 3.9 15.5 7.7  
MEAN 24.8 10.4 14.4 13.5  
DAYS MAX >= 90 0 0.0 0.0 0  
DAYS MAX <= 32 17 24.1 -7.1 21  
DAYS MIN <= 32 29 29.9 -0.9 31  
DAYS MIN <= 0 3 13.3 -10.3 12  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM MM MM  
MINIMUM MM MM  
TOTALS 1.04 1.12 -0.08 0.76  
DAILY AVG. 0.03 0.04 -0.01 0.02  
DAYS >= .01 16 10.6 5.4 10  
DAYS >= .10 4 3.4 0.6 3  
DAYS >= .50 0 0.4 -0.4 0  
DAYS >= 1.00 0 0.0 0.0 0  
GREATEST  
24 HR. TOTAL 0.20 12/19 TO 12/19 12/28 TO 12/29  
12/28 TO 12/28  
12/28 TO 12/28  
STORM TOTAL MM MM  
(MM/DD(HH)) MM 12/29(00) TO 12/29(00)  
12/28(00) TO 12/28(00)8  
12/28(00) TO 12/28(00)8  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL MM MM  
24 HR TOTAL MM  
SNOW DEPTH MM MM  
TOTALS 11.1 11.4 -0.3 7.5  
SINCE 7/1 18.4 29.3 -10.9 11.1  
SNOWDEPTH AVG. 3 7 -4 2  
DAYS >= TRACE 23 10.5 12.5 14  
DAYS >= 1.0 5 3.7 1.3  
GREATEST  
SNOW DEPTH 6 12/20 6 12/03  
12/19  
12/04  
24 HR TOTAL 2.0 12/19 TO 12/19 12/28 TO 12/28  
12/28 TO 12/28  
12/28 TO 12/28  
STORM TOTAL MM MM  
(MM/DD(HH)) MM  
 
DEGREE_DAYS  
HEATING TOTAL 1236 1694 -458 1589  
SINCE 7/1 4402 5417 -1015 4817  
COOLING TOTAL 0 0 0 0  
SINCE 1/1 6 4 2 13  
 
FREEZE DATES  
RECORD  
EARLIEST MM  
LATEST MM  
EARLIEST MM  
LATEST MM    
.....................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 14.1  
RESULTANT WIND SPEED/DIRECTION 6/084  
HIGHEST WIND SPEED/DIRECTION 43/150 DATE 12/18  
HIGHEST GUST SPEED/DIRECTION 51/150 DATE 12/18  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.70  
NUMBER OF DAYS FAIR 3  
NUMBER OF DAYS PC 12  
NUMBER OF DAYS CLOUDY 16  
 
AVERAGE RH (PERCENT) 87  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 0 RAIN 0  
LIGHT RAIN 5 FREEZING RAIN 1  
LT FREEZING RAIN 1 HAIL 0  
HEAVY SNOW 0 SNOW 5  
LIGHT SNOW 22 SLEET 0  
FOG 23 FOG W/VIS <= 1/4 MILE 4  
HAZE 2  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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