730
CXAK58 PACD 011028
CLMCDB
CLIMATE REPORT
NATIONAL WEATHER SERVICE ANCHORAGE, AK
228 AM AKDT FRI OCT 01 2021
...............................
..THE COLD BAY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2021
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1942 TO 2021
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 60 MM MM 61
LOWEST 32 MM MM 32
AVG. MAXIMUM 52.8 53.4 -0.6 53.7
AVG. MINIMUM 44.1 43.4 0.7 41.2
MEAN 48.5 48.4 0.1 47.5
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 1
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 1.05 2020
MINIMUM 1.05 2020
TOTALS 4.49 4.50 -0.01 1.05
DAILY AVG. 0.16 0.15 0.01 0.20
DAYS >= .01 22 22.6 -0.6 4
DAYS >= .10 13 11.4 1.6 4
DAYS >= .50 3 2.3 0.7 1
DAYS >= 1.00 0 0.5 -0.5 0
GREATEST
24 HR. TOTAL 1.00 09/29 TO 09/30 0.61
STORM TOTAL 0.93 1.95
(MM/DD(HH))
DEGREE DAYS
HEATING TOTAL 440 498 -58 521
SINCE 7/1 1197 1298 -101 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 MM
FREEZE DATES
RECORD
EARLIEST MM
LATEST MM
EARLIEST 09/21 MM
LATEST 05/18
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WIND (MPH)
AVERAGE WIND SPEED 15.8
RESULTANT WIND SPEED/DIRECTION 7/280
HIGHEST WIND SPEED/DIRECTION 54/280 DATE 09/30
HIGHEST GUST SPEED/DIRECTION 66/270 DATE 09/12
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.77
NUMBER OF DAYS FAIR 5
NUMBER OF DAYS PC 5
NUMBER OF DAYS CLOUDY 20
AVERAGE RH (PERCENT) 82
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 12
LIGHT RAIN 23 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 1 SLEET 0
FOG 24 FOG W/VIS <= 1/4 MILE 0
HAZE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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