309  
CXAK57 PAJK 041027  
CLMASI  
NATIONAL WEATHER SERVICE JUNEAU AK  
142 AM AKDT WED JUN 04 2025  
   
...............................  
 
   
..THE SITKA CLIMATE SUMMARY FOR THE MONTH OF MAY 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1944 TO 2025  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE  
NORMAL    
..........................................................  
 
TEMPERATURE (F)  
RECORD  
HIGH 82 05/18/2023  
LOW 29 05/05/1965  
05/06/2002  
HIGHEST 60 05/11 67 -7  
LOWEST 40 05/03 35 5  
05/04  
AVG. MAXIMUM 52.2 53.3 -1.1  
AVG. MINIMUM 44.2 43.0 1.2  
MEAN 48.2 48.1 0.1  
DAYS MAX >= 90 0 0.0 0.0  
DAYS MAX <= 32 0 0.0 0.0  
DAYS MIN <= 32 0 0.2 -0.2  
DAYS MIN <= 0 0 0.0 0.0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 10.04 1982  
MINIMUM 0.34 2015  
TOTALS 7.70 3.81 3.89  
DAILY AVG. 0.25 0.12 0.13  
DAYS >= .01 27 16.4 10.6  
DAYS >= .10 18 9.7 8.3  
DAYS >= .50 4 2.2 1.8  
DAYS >= 1.00 1 0.6 0.4  
GREATEST  
24 HR. TOTAL 1.38 05/09 TO 05/09  
 
DEGREE DAYS  
HEATING TOTAL 510 522 -12  
SINCE 7/1 6003 6761 -758  
COOLING TOTAL 0 0 0  
SINCE 1/1 0 0 0  
 
FREEZE DATES  
EARLIEST 10/08  
LATEST 03/14    
..........................................................  
 
WIND (MPH)  
AVERAGE WIND SPEED 8.0  
HIGHEST WIND SPEED/DIRECTION 26/190 DATE 05/02  
26/100 05/05  
26/190 05/28  
HIGHEST GUST SPEED/DIRECTION 43/100 DATE 05/05  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 0 RAIN 5  
LIGHT RAIN 28 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 1  
FOG 11 FOG W/VIS <= 1/4 MILE 0  
HAZE 8  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
 
CHAMBERS  
 
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