Climatological Report (Monthly)
Issued by NWS Anchorage, 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
010
CXAK58 PAFC 011730
CLMANC

CLIMATE REPORT
NATIONAL WEATHER SERVICE ANCHORAGE, AK
930 AM AKDT SUN JUN 01 2025

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

...THE ANCHORAGE AK CLIMATE SUMMARY FOR THE MONTH OF MAY 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
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             77   05/21/2002
                       05/24/1969
 LOW              17   05/10/1964
HIGHEST           64                 MM      MM       63
LOWEST            34                 MM      MM       32
AVG. MAXIMUM    54.4               56.3    -1.9     53.5
AVG. MINIMUM    40.6               40.0     0.6     40.1
MEAN            47.5               48.1    -0.6     46.8
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                2.7    -2.7        1
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.18   2019
 MINIMUM        0.02   1957
   1955
TOTALS          0.94               0.65    0.29     1.04
DAILY AVG.      0.03               0.02    0.01     0.03
DAYS >= .01        8                6.5     1.5       11
DAYS >= .10        2                2.0     0.0        4
DAYS >= .50        1                0.2     0.8        0
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL   0.50   05/12 TO 05/12               0.42
 STORM TOTAL    0.50                                0.35
 (MM/DD(HH))

SNOWFALL (INCHES)
RECORDS
 TOTAL           6.1   2001
 24 HR TOTAL     5.0   05/03/2001 TO 05/03/2001
 SNOW DEPTH        6   05/01/1955
TOTALS           0.0                0.3    -0.3      0.7
SINCE 7/1       61.6               77.9   -16.3    133.3
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE      0                0.3    -0.3        2
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   1
 24 HR TOTAL      MM                                 0.7
 STORM TOTAL     0.0                                 0.7
 (MM/DD(HH))

DEGREE DAYS
HEATING TOTAL    534                522      12      557
 SINCE 7/1      8928               9705    -777     9699
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  0       0        0

FREEZE DATES
RECORD
 EARLIEST     08/28/1984
 LATEST       05/22/1964
EARLIEST                        10/02
LATEST                          05/07
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.8
RESULTANT WIND SPEED/DIRECTION   5/170
HIGHEST WIND SPEED/DIRECTION    26/140    DATE  05/29
HIGHEST GUST SPEED/DIRECTION    47/160    DATE  05/27
                                47/150          05/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.76
NUMBER OF DAYS FAIR            2
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         18

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       2     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.

$$