549
CXAK58 PAFC 011006
CLMANC
CLIMATE REPORT
NATIONAL WEATHER SERVICE ANCHORAGE, AK
206 AM AKDT WED OCT 01 2025
...............................
...THE ANCHORAGE AK CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1952 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 73 09/05/1957
LOW 19 09/24/1992
HIGHEST 66 MM MM 64
LOWEST 35 MM MM 33
AVG. MAXIMUM 55.9 55.7 0.2 55.5
AVG. MINIMUM 45.4 42.9 2.5 44.8
MEAN 50.7 49.3 1.4 50.2
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 2.5 -2.5 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 7.71 2015
MINIMUM 0.00
TOTALS 3.99 3.10 0.89 3.38
DAILY AVG. 0.13 0.10 0.03 0.11
DAYS >= .01 19 14.9 4.1 21
DAYS >= .10 12 8.0 4.0 10
DAYS >= .50 2 1.8 0.2 2
DAYS >= 1.00 0 0.3 -0.3 0
GREATEST
24 HR. TOTAL 1.02 09/23 TO 09/23 1.06
STORM TOTAL 0.64 0.87
(MM/DD(HH))
SNOWFALL (INCHES)
RECORDS
TOTAL 6.3 2004
24 HR TOTAL 3.5 09/29/1965 TO 09/30/1965
SNOW DEPTH 5 09/25/2004
TOTALS 0.0 0.4 -0.4 0.0
SINCE 7/1 0.0 0.4 -0.4 MM
SNOWDEPTH AVG. 0 0
DAYS >= TRACE 0 0.3 -0.3 0
DAYS >= 1.0 0 0.1 -0.1 0
GREATEST
SNOW DEPTH 0 0
24 HR TOTAL MM 0.0
STORM TOTAL 0.0 0.0
(MM/DD(HH))
DEGREE DAYS
HEATING TOTAL 424 471 -47 436
SINCE 7/1 786 880 -94 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 8 -8 MM
FREEZE DATES
RECORD
EARLIEST 08/28/1984
LATEST 05/22/1964
EARLIEST MM
LATEST 04/20
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WIND (MPH)
AVERAGE WIND SPEED 4.8
RESULTANT WIND SPEED/DIRECTION 1/050
HIGHEST WIND SPEED/DIRECTION 26/150 DATE 09/07
HIGHEST GUST SPEED/DIRECTION 43/140 DATE 09/07
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.81
NUMBER OF DAYS FAIR 2
NUMBER OF DAYS PC 4
NUMBER OF DAYS CLOUDY 24
AVERAGE RH (PERCENT) 82
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 6
LIGHT RAIN 23 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 18 FOG W/VIS <= 1/4 MILE 1
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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