Eklutna Lake Weather Records (USC00502725)

Record envelope, standing records and threshold days for Eklutna Lake (USC00502725), Alaska, United States, with 31 years of record.

Key Facts for Eklutna Lake

Eklutna Lake (USC00502725) is a weather station in Alaska, United States at 61.40 latitude and -149.15 longitude, 268 m (879 ft) above sea level.
The station reports from 1946 to 1976, 31 years of record.
1,464 records set at Eklutna Lake still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Alaska, United States, 61.40 latitude, -149.15 longitude.
Elevation: 268 m (879 ft).
Period of record: 1946 to 1976, 31 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Eklutna Lake. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Eklutna Lake, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	10.6 C (51.1 F)	-46.7 C (-52.1 F)	n/a	n/a
Feb	11.7 C (53.1 F)	-47.8 C (-54.0 F)	n/a	n/a
Mar	11.1 C (52.0 F)	-40.6 C (-41.1 F)	n/a	n/a
Apr	16.7 C (62.1 F)	-28.9 C (-20.0 F)	n/a	n/a
May	26.7 C (80.1 F)	-14.4 C (6.1 F)	n/a	n/a
Jun	32.2 C (90.0 F)	-5.0 C (23.0 F)	n/a	n/a
Jul	28.9 C (84.0 F)	-1.1 C (30.0 F)	n/a	n/a
Aug	28.9 C (84.0 F)	-8.3 C (17.1 F)	n/a	n/a
Sep	21.7 C (71.1 F)	-11.7 C (10.9 F)	n/a	n/a
Oct	15.0 C (59.0 F)	-21.1 C (-6.0 F)	n/a	n/a
Nov	10.6 C (51.1 F)	-32.8 C (-27.0 F)	n/a	n/a
Dec	10.0 C (50.0 F)	-40.0 C (-40.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Eklutna Lake still stand. 1947 holds the most, with 104.

Standing records at Eklutna Lake by the year they were set
Year set	Standing records
1946	34
1947	104
1948	103
1949	16
1950	66
1951	61
1952	58
1953	46
1954	57
1955	25
1956	66
1957	44
1958	45
1959	53
1960	40
1961	47
1962	32
1963	64
1964	43
1965	70
1966	38
1967	52
1968	54
1969	62
1970	30
1971	34
1972	39
1973	15
1974	22
1975	29
1976	15

Wettest Day of Each Month

Jan: 38.1 mm (1.5 in)

The wettest day on record for each calendar month at Eklutna Lake. The most was 38.1 mm (1.5 in) on 21 January 1961.

Record daily precipitation for each month at Eklutna Lake
Month	Record daily precipitation (mm)	Date
Jan	38.1 mm (1.5 in)	21 January 1961
Feb	19.1 mm (0.8 in)	12 February 1965
Mar	10.2 mm (0.4 in)	8 March 1959
Apr	12.2 mm (0.5 in)	8 April 1959
May	21.6 mm (0.9 in)	27 May 1969
Jun	19.3 mm (0.8 in)	8 June 1951
Jul	35.6 mm (1.4 in)	2 July 1971
Aug	24.1 mm (0.9 in)	28 August 1953
Sep	35.3 mm (1.4 in)	4 September 1951
Oct	21.3 mm (0.8 in)	4 October 1952
Nov	22.6 mm (0.9 in)	20 November 1964
Dec	24.6 mm (1.0 in)	9 December 1960

Period of Record Coverage

1946 to 1976

31 years of record at Eklutna Lake, 1946 to 1976. 9 years have data for under 90 percent of days and are left out of rankings: 1946, 1949, 1955, 1957, 1960, 1971, 1974, 1975 and others.

Days with data per year at Eklutna Lake
Year	Days with data	Share of year	Complete
1946	212	58%	No
1947	356	98%	Yes
1948	364	99%	Yes
1949	90	25%	No
1950	356	98%	Yes
1951	362	99%	Yes
1952	364	99%	Yes
1953	357	98%	Yes
1954	364	100%	Yes
1955	151	41%	No
1956	340	93%	Yes
1957	317	87%	No
1958	362	99%	Yes
1959	352	96%	Yes
1960	305	83%	No
1961	365	100%	Yes
1962	364	100%	Yes
1963	358	98%	Yes
1964	364	99%	Yes
1965	364	100%	Yes
1966	355	97%	Yes
1967	356	98%	Yes
1968	365	100%	Yes
1969	345	95%	Yes
1970	359	98%	Yes
1971	308	84%	No
1972	358	98%	Yes
1973	362	99%	Yes
1974	213	58%	No
1975	194	53%	No
1976	103	28%	No

Latest Records

No records were set at this station in the latest data.

Climate Trend

22 complete years, 1947 to 1973

One stripe for each of 22 complete years at Eklutna Lake, 1947 to 1973. Blue stripes are years cooler than the station's own mean of -0.5 C (31.1 F); red stripes are warmer. The coolest year was 1956, at -2.4 C (27.6 F), and the warmest was 1967, at 1.5 C (34.8 F). The strongest colour marks a difference of 2.1 C (3.8 F).

Annual mean temperature at Eklutna Lake as warming stripes, 1947 to 1973
Year	Annual mean temperature	Difference from the station mean
1947	-0.1 C	+0.36 C
1948	-2.3 C	-1.85 C
1950	-1.8 C	-1.34 C
1951	-1.1 C	-0.65 C
1952	0.1 C	+0.57 C
1953	0.4 C	+0.86 C
1954	-1.8 C	-1.32 C
1956	-2.4 C	-1.96 C
1958	0.1 C	+0.58 C
1959	-0.2 C	+0.31 C
1961	-1.4 C	-0.95 C
1962	0.6 C	+1.07 C
1963	0.8 C	+1.25 C
1964	-1.0 C	-0.50 C
1965	-0.5 C	+0.03 C
1966	-0.4 C	+0.11 C
1967	1.5 C	+2.02 C
1968	1.1 C	+1.58 C
1969	1.3 C	+1.81 C
1970	0.0 C	+0.47 C
1972	-2.1 C	-1.63 C
1973	-1.3 C	-0.80 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1946 to 1976

Yearly extremes at Eklutna Lake: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	32.2 C (90.0 F)	1948	25.6 C (78.1 F)	31
Coldest night (TNn)	-47.8 C (-54.0 F)	1947	-35.6 C (-32.1 F)	31
Wettest day (Rx1day)	38.1 mm (1.5 in)	1961	20.3 mm (0.8 in)	31
Wettest five days (Rx5day)	57.7 mm (2.3 in)	1967	30.5 mm (1.2 in)	31
Longest dry spell (CDD)	73 days	1975	32 days	31

Hottest day (TXx)

The hottest day of the year at Eklutna Lake, 1946 to 1976. The record is 32.2 C (90.0 F) in 1948, marked on the chart; the median year is 25.6 C (78.1 F).

Hottest day (TXx) at Eklutna Lake by year
Year	Hottest day (TXx)
1946	25.6 C (78.1 F)
1947	27.2 C (81.0 F)
1948	32.2 C (90.0 F)
1949	10.0 C (50.0 F)
1950	25.6 C (78.1 F)
1951	28.9 C (84.0 F)
1952	27.2 C (81.0 F)
1953	30.6 C (87.1 F)
1954	22.2 C (72.0 F)
1955	15.0 C (59.0 F)
1956	26.1 C (79.0 F)
1957	25.6 C (78.1 F)
1958	25.0 C (77.0 F)
1959	25.6 C (78.1 F)
1960	21.7 C (71.1 F)
1961	22.8 C (73.0 F)
1962	26.1 C (79.0 F)
1963	23.3 C (73.9 F)
1964	24.4 C (75.9 F)
1965	25.0 C (77.0 F)
1966	26.1 C (79.0 F)
1967	28.3 C (82.9 F)
1968	28.9 C (84.0 F)
1969	29.4 C (84.9 F)
1970	24.4 C (75.9 F)
1971	26.1 C (79.0 F)
1972	28.9 C (84.0 F)
1973	21.7 C (71.1 F)
1974	25.0 C (77.0 F)
1975	18.9 C (66.0 F)
1976	23.3 C (73.9 F)

Coldest night (TNn)

The coldest night of the year at Eklutna Lake, 1946 to 1976. The record is -47.8 C (-54.0 F) in 1947, marked on the chart; the median year is -35.6 C (-32.1 F).

Coldest night (TNn) at Eklutna Lake by year
Year	Coldest night (TNn)
1946	-37.8 C (-36.0 F)
1947	-47.8 C (-54.0 F)
1948	-36.7 C (-34.1 F)
1949	-37.8 C (-36.0 F)
1950	-35.6 C (-32.1 F)
1951	-43.3 C (-45.9 F)
1952	-44.4 C (-47.9 F)
1953	-32.2 C (-26.0 F)
1954	-40.0 C (-40.0 F)
1955	-39.4 C (-38.9 F)
1956	-40.6 C (-41.1 F)
1957	-33.9 C (-29.0 F)
1958	-35.0 C (-31.0 F)
1959	-35.0 C (-31.0 F)
1960	-31.7 C (-25.1 F)
1961	-39.4 C (-38.9 F)
1962	-37.2 C (-35.0 F)
1963	-38.3 C (-36.9 F)
1964	-37.2 C (-35.0 F)
1965	-33.3 C (-27.9 F)
1966	-33.3 C (-27.9 F)
1967	-31.7 C (-25.1 F)
1968	-35.0 C (-31.0 F)
1969	-32.2 C (-26.0 F)
1970	-31.7 C (-25.1 F)
1971	-33.9 C (-29.0 F)
1972	-37.8 C (-36.0 F)
1973	-38.3 C (-36.9 F)
1974	-32.2 C (-26.0 F)
1975	-21.1 C (-6.0 F)
1976	-26.7 C (-16.1 F)

Wettest day (Rx1day)

The wettest day of the year at Eklutna Lake, 1946 to 1976. The record is 38.1 mm (1.5 in) in 1961, marked on the chart; the median year is 20.3 mm (0.8 in).

Wettest day (Rx1day) at Eklutna Lake by year
Year	Wettest day (Rx1day)
1946	15.2 mm (0.6 in)
1947	17.3 mm (0.7 in)
1948	11.2 mm (0.4 in)
1949	9.1 mm (0.36 in)
1950	12.4 mm (0.5 in)
1951	35.3 mm (1.4 in)
1952	21.3 mm (0.8 in)
1953	24.1 mm (0.9 in)
1954	14.5 mm (0.6 in)
1955	7.9 mm (0.31 in)
1956	24.4 mm (1.0 in)
1957	19.1 mm (0.8 in)
1958	25.4 mm (1.0 in)
1959	12.7 mm (0.5 in)
1960	24.6 mm (1.0 in)
1961	38.1 mm (1.5 in)
1962	18.5 mm (0.7 in)
1963	21.6 mm (0.9 in)
1964	22.6 mm (0.9 in)
1965	27.2 mm (1.1 in)
1966	33.0 mm (1.3 in)
1967	20.3 mm (0.8 in)
1968	17.8 mm (0.7 in)
1969	21.6 mm (0.9 in)
1970	20.3 mm (0.8 in)
1971	35.6 mm (1.4 in)
1972	21.8 mm (0.9 in)
1973	12.7 mm (0.5 in)
1974	21.6 mm (0.9 in)
1975	6.4 mm (0.25 in)
1976	6.4 mm (0.25 in)

Wettest five days (Rx5day)

The wettest five days of the year at Eklutna Lake, 1946 to 1976. The record is 57.7 mm (2.3 in) in 1967, marked on the chart; the median year is 30.5 mm (1.2 in).

Wettest five days (Rx5day) at Eklutna Lake by year
Year	Wettest five days (Rx5day)
1946	22.2 mm (0.9 in)
1947	26.1 mm (1.0 in)
1948	31.9 mm (1.3 in)
1949	13.7 mm (0.5 in)
1950	22.4 mm (0.9 in)
1951	39.2 mm (1.5 in)
1952	31.7 mm (1.2 in)
1953	49.9 mm (2.0 in)
1954	32.8 mm (1.3 in)
1955	15.3 mm (0.6 in)
1956	28.7 mm (1.1 in)
1957	30.5 mm (1.2 in)
1958	27.9 mm (1.1 in)
1959	28.0 mm (1.1 in)
1960	42.8 mm (1.7 in)
1961	57.2 mm (2.3 in)
1962	27.9 mm (1.1 in)
1963	45.4 mm (1.8 in)
1964	39.1 mm (1.5 in)
1965	33.2 mm (1.3 in)
1966	48.3 mm (1.9 in)
1967	57.7 mm (2.3 in)
1968	26.9 mm (1.1 in)
1969	49.0 mm (1.9 in)
1970	31.9 mm (1.3 in)
1971	48.3 mm (1.9 in)
1972	27.7 mm (1.1 in)
1973	22.9 mm (0.9 in)
1974	28.0 mm (1.1 in)
1975	19.6 mm (0.8 in)
1976	6.4 mm (0.25 in)

Longest dry spell (CDD)

The longest dry spell of the year at Eklutna Lake, 1946 to 1976. The record is 73 days in 1975, marked on the chart; the median year is 32 days.

Longest dry spell (CDD) at Eklutna Lake by year
Year	Longest dry spell (CDD)
1946	38 days
1947	33 days
1948	30 days
1949	12 days
1950	39 days
1951	20 days
1952	37 days
1953	28 days
1954	49 days
1955	21 days
1956	71 days
1957	53 days
1958	32 days
1959	31 days
1960	24 days
1961	29 days
1962	32 days
1963	32 days
1964	27 days
1965	24 days
1966	21 days
1967	35 days
1968	21 days
1969	38 days
1970	26 days
1971	61 days
1972	43 days
1973	58 days
1974	38 days
1975	73 days
1976	31 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Frost Dates and Growing Season

22 years with a frost

Across 22 years with a frost, the median last spring frost at Eklutna Lake falls on 11 June and the median first autumn frost on 26 August, which leaves a median of 77 days between them.

Frost dates and growing season at Eklutna Lake
Measure	Median, all years	Earliest period	Recent period (1947 to 1973)	Recent against earliest	Fitted trend
Last spring frost	11 June	n/a	11 June	n/a	n/a
First autumn frost	26 August	n/a	26 August	n/a	n/a
Growing days	77 days	n/a	77 days	n/a	n/a

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

Data for Eklutna Lake standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Eklutna Lake threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).