National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
CXAK58 PACD 011151
CLMCDB

CLIMATE REPORT
NATIONAL WEATHER SERVICE ANCHORAGE, AK
351 AM AKDT SUN OCT 01 2023

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

...THE COLD BAY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1942 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             70   MM
 LOW              31   09/19/2017
HIGHEST           65                 MM      MM       69
LOWEST            31R                MM      MM       35
AVG. MAXIMUM    53.9               53.4     0.5     54.5
AVG. MINIMUM    43.0               43.4    -0.4     45.1
MEAN            48.5               48.4     0.1     49.8
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     1                0.7     0.3        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        4.49   2021
 MINIMUM        1.05   2020
TOTALS          5.45               4.50    0.95     4.02
DAILY AVG.      0.19               0.15    0.04     0.13
DAYS >= .01       25               22.6     2.4       29
DAYS >= .10       17               11.4     5.6       17
DAYS >= .50        4                2.3     1.7        0
DAYS >= 1.00       0                0.5    -0.5        0
GREATEST
 24 HR. TOTAL   0.94   09/09 TO 09/09               0.44
 STORM TOTAL    0.94                                0.34
 (MM/DD(HH))


DEGREE DAYS
HEATING TOTAL    471                498     -27      448
 SINCE 7/1      1218               1298     -80       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  0       0       MM

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST      09/27             MM
LATEST                          05/25
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              14.1
RESULTANT WIND SPEED/DIRECTION   6/270
HIGHEST WIND SPEED/DIRECTION    38/150    DATE  09/19
HIGHEST GUST SPEED/DIRECTION    53/140    DATE  09/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.84
NUMBER OF DAYS FAIR            1
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY         23

AVERAGE RH (PERCENT)     84

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                      14
LIGHT RAIN               27     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      26     FOG W/VIS <= 1/4 MILE      2
HAZE                      5

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

$$