551
CXAK58 PACD 011006
CLMCDB
CLIMATE REPORT
NATIONAL WEATHER SERVICE ANCHORAGE, AK
206 AM AKDT WED OCT 01 2025
...............................
..THE COLD BAY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1942 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 70 MM
LOW 31 09/19/2017
HIGHEST 61 MM MM 65
LOWEST 35 MM MM 37
AVG. MAXIMUM 53.7 53.4 0.3 53.2
AVG. MINIMUM 43.8 43.4 0.4 44.1
MEAN 48.8 48.4 0.3 48.7
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.7 -0.7 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 5.47 2023
MINIMUM 1.05 2020
TOTALS 5.32 4.50 0.82 2.82
DAILY AVG. 0.18 0.15 0.03 0.09
DAYS >= .01 27 22.6 4.4 24
DAYS >= .10 14 11.4 2.6 11
DAYS >= .50 3 2.3 0.7 0
DAYS >= 1.00 0 0.5 -0.5 0
GREATEST
24 HR. TOTAL 1.15 09/02 TO 09/03 0.46
STORM TOTAL 0.96 0.30
(MM/DD(HH))
DEGREE DAYS
HEATING TOTAL 480 498 -18 484
SINCE 7/1 1119 1298 -179 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 MM
FREEZE DATES
RECORD
EARLIEST MM
LATEST MM
EARLIEST MM
LATEST 05/19
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WIND (MPH)
AVERAGE WIND SPEED 17.5
RESULTANT WIND SPEED/DIRECTION 7/270
HIGHEST WIND SPEED/DIRECTION 53/260 DATE 09/24
HIGHEST GUST SPEED/DIRECTION 71/270 DATE 09/24
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.84
NUMBER OF DAYS FAIR 0
NUMBER OF DAYS PC 10
NUMBER OF DAYS CLOUDY 20
AVERAGE RH (PERCENT) 84
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 8
LIGHT RAIN 30 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 0
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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