Alyeska, AK
Period of Record: 1963 - present
60°58'N / 149°08'W
250 ft. above sea level
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NCDC Normals (1971 - 2000)
Element
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
ANNUAL
Mean Temperature (°F)
Mean Maximum Temperature (°F)
Mean Minimum Temperature (°F)
Mean Precipitation (in)
Mean
Snowfall (in)
Mean
Snow depth (in)
HDD
CDD
Temperature Extremes (1963 - 2004)
Extremes listed represents date of last occurrence. Number in parenthesis, if given, is number of previous occurrences.
Element
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
ANNUAL
Highest Mean (°F)
Year
Lowest Mean (°F)
Year
Highest Daily Maximum (°F)
Date
Lowest Daily Minimum (°F)
Date
Precipitation Extremes (1963 - 2004)
Element
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
ANNUAL
Highest Total (in)
Year
Lowest Total (in)
Year
Highest 1-Day Maximum (in)
Date
Highest Total Snowfall (in)
Year
Highest 1-Day Maximum (in)
Date
Threshold Counts (1971 - 2000)
Element
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
ANNUAL
Maximum Temperature
>= 90°F
Maximum Temperature
>= 32°F
Minimum Temperature
<= 32°F
Minimum Temperature
<= 0°F
Precipitation
>=0.01"
Precipitation
>=0.10"
Precipitation
>=0.50"
Precipitation
>=1.00"