Climatological Report (Monthly)
Issued by NWS St. Paul, AK

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
494
CXAK58 PASN 060132 CCA
CLMSNP

CLIMATE REPORT
NATIONAL WEATHER SERVICE ANCHORAGE, AK
206 AM AKDT WED OCT 01 2025

...................................

...THE SAINT PAUL ISLAND CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1892 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             62   09/12/1925
 LOW              22   09/25/1992
                       09/24/1992
HIGHEST           56                 MM      MM       53
LOWEST            33                 MM      MM       32
AVG. MAXIMUM    51.4               50.1     1.3     49.0
AVG. MINIMUM    42.2               41.9     0.3     42.0
MEAN            46.8               46.0     0.8     45.5
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                1.8    -1.8        1
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        6.02   1924
 MINIMUM        0.96   1977
TOTALS          2.65               3.00   -0.35     3.48
DAILY AVG.      0.09               0.10   -0.01     0.12
DAYS >= .01       17               19.5    -2.5       19
DAYS >= .10        5                8.2    -3.2       10
DAYS >= .50        1                1.5    -0.5        2
DAYS >= 1.00       0                0.2    -0.2        0
GREATEST
 24 HR. TOTAL   0.99   09/23 TO 09/23               0.72
 STORM TOTAL    0.99                                0.72
 (MM/DD(HH))


DEGREE DAYS
HEATING TOTAL    537                570     -33      575
 SINCE 7/1      1451               1580    -129       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  0       0       MM

FREEZE DATES
RECORD
 EARLIEST     07/02/1976
 LATEST       06/29/2008
EARLIEST                        09/27
LATEST                          06/06
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              14.4
RESULTANT WIND SPEED/DIRECTION   2/310
HIGHEST WIND SPEED/DIRECTION    45/140    DATE  09/23
HIGHEST GUST SPEED/DIRECTION    71/120    DATE  09/28

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.76
NUMBER OF DAYS FAIR            1
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY         19

AVERAGE RH (PERCENT)     85

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       7
LIGHT RAIN               22     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      4
HAZE                      6

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$