292  
CXAK58 PASN 011151  
CLMSNP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ANCHORAGE, AK  
351 AM AKDT SUN OCT 01 2023  
   
...............................
 
 
...THE SAINT PAUL ISLAND CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1892 TO 2023  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE  
NORMAL    
..........................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 62 MM  
LOW 26 09/26/2022  
HIGHEST 56 MM MM 55  
LOWEST 32 MM MM 26  
AVG. MAXIMUM 50.4 50.1 0.3 50.2  
AVG. MINIMUM 40.6 41.9 -1.3 41.2  
MEAN 45.5 46.0 -0.5 45.7  
DAYS MAX >= 90 0 0.0 0.0 0  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 3 1.8 1.2 2  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 4.02 2021  
MINIMUM 0.79 2022  
TOTALS 3.71 3.00 0.71 0.79  
DAILY AVG. 0.12 0.10 0.02 0.07  
DAYS >= .01 21 19.5 1.5 8  
DAYS >= .10 8 8.2 -0.2 3  
DAYS >= .50 3 1.5 1.5 0  
DAYS >= 1.00 0 0.2 -0.2 0  
GREATEST  
24 HR. TOTAL 1.02 09/08 TO 09/09 0.26  
STORM TOTAL 0.91 0.35  
(MM/DD(HH))  
 
DEGREE DAYS  
HEATING TOTAL 579 570 9 571  
SINCE 7/1 1536 1580 -44 MM  
COOLING TOTAL 0 0 0 0  
SINCE 1/1 0 0 0 MM  
 
FREEZE DATES  
RECORD  
EARLIEST MM  
LATEST MM  
EARLIEST 09/10 MM  
LATEST 06/01    
..........................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 13.8  
RESULTANT WIND SPEED/DIRECTION 4/250  
HIGHEST WIND SPEED/DIRECTION 37/120 DATE 09/08  
HIGHEST GUST SPEED/DIRECTION 49/180 DATE 09/02  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.80  
NUMBER OF DAYS FAIR 0  
NUMBER OF DAYS PC 12  
NUMBER OF DAYS CLOUDY 18  
 
AVERAGE RH (PERCENT) 87  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 1 RAIN 8  
LIGHT RAIN 26 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 24 FOG W/VIS <= 1/4 MILE 2  
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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