Eldred Rock Weather Records (USC00502770)

Record envelope, standing records and threshold days for Eldred Rock (USC00502770), Alaska, United States, with 33 years of record.

Key Facts for Eldred Rock

Eldred Rock (USC00502770) is a weather station in Alaska, United States at 58.97 latitude and -135.22 longitude, 16 m (52 ft) above sea level.
The station reports from 1941 to 1973, 33 years of record.
1,464 records set at Eldred Rock still stand.
Records are tracked for tmax: an element needs 30 years of data to be eligible.

About the Station

Location: Alaska, United States, 58.97 latitude, -135.22 longitude.
Elevation: 16 m (52 ft).
Period of record: 1941 to 1973, 33 years.
Eligible elements: tmax.

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 Eldred Rock. 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 Eldred Rock, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	8.9 C (48.0 F)	-22.8 C (-9.0 F)	n/a	n/a
Feb	10.6 C (51.1 F)	-21.7 C (-7.1 F)	n/a	n/a
Mar	11.7 C (53.1 F)	-20.6 C (-5.1 F)	n/a	n/a
Apr	17.8 C (64.0 F)	-10.0 C (14.0 F)	n/a	n/a
May	27.8 C (82.0 F)	-1.7 C (28.9 F)	n/a	n/a
Jun	27.8 C (82.0 F)	0.6 C (33.1 F)	n/a	n/a
Jul	29.4 C (84.9 F)	1.1 C (34.0 F)	n/a	n/a
Aug	30.0 C (86.0 F)	3.3 C (37.9 F)	n/a	n/a
Sep	26.1 C (79.0 F)	-5.0 C (23.0 F)	n/a	n/a
Oct	15.6 C (60.1 F)	-8.9 C (16.0 F)	n/a	n/a
Nov	12.8 C (55.0 F)	-25.6 C (-14.1 F)	n/a	n/a
Dec	10.0 C (50.0 F)	-28.9 C (-20.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Eldred Rock still stand. 1963 holds the most, with 79.

Standing records at Eldred Rock by the year they were set
Year set	Standing records
1941	53
1943	11
1944	61
1945	49
1946	38
1947	76
1948	77
1949	13
1950	23
1951	43
1952	62
1953	21
1954	62
1955	51
1956	73
1957	50
1958	59
1959	40
1960	40
1961	35
1962	28
1963	79
1964	56
1965	55
1966	11
1967	34
1968	41
1969	47
1970	51
1971	56
1972	61
1973	8

Wettest Day of Each Month

Oct: 178.6 mm (7.0 in)

The wettest day on record for each calendar month at Eldred Rock. The most was 178.6 mm (7.0 in) on 24 October 1947.

Record daily precipitation for each month at Eldred Rock
Month	Record daily precipitation (mm)	Date
Jan	76.2 mm (3.0 in)	6 January 1951
Feb	76.7 mm (3.0 in)	5 February 1959
Mar	35.6 mm (1.4 in)	4 March 1959
Apr	47.2 mm (1.9 in)	12 April 1947
May	35.8 mm (1.4 in)	16 May 1955
Jun	105.4 mm (4.1 in)	12 June 1951
Jul	77.7 mm (3.1 in)	21 July 1951
Aug	55.9 mm (2.2 in)	2 August 1951
Sep	78.2 mm (3.1 in)	15 September 1967
Oct	178.6 mm (7.0 in)	24 October 1947
Nov	79.0 mm (3.1 in)	4 November 1946
Dec	50.0 mm (2.0 in)	22 December 1953

Period of Record Coverage

1941 to 1973

32 years of record at Eldred Rock, 1941 to 1973. 7 years have data for under 90 percent of days and are left out of rankings: 1941, 1943, 1944, 1945, 1949, 1950, 1973.

Days with data per year at Eldred Rock
Year	Days with data	Share of year	Complete
1941	239	65%	No
1943	46	13%	No
1944	327	89%	No
1945	303	83%	No
1946	349	96%	Yes
1947	363	99%	Yes
1948	366	100%	Yes
1949	108	30%	No
1950	288	79%	No
1951	365	100%	Yes
1952	366	100%	Yes
1953	362	99%	Yes
1954	362	99%	Yes
1955	364	100%	Yes
1956	360	98%	Yes
1957	358	98%	Yes
1958	356	98%	Yes
1959	357	98%	Yes
1960	363	99%	Yes
1961	357	98%	Yes
1962	358	98%	Yes
1963	362	99%	Yes
1964	362	99%	Yes
1965	364	100%	Yes
1966	365	100%	Yes
1967	365	100%	Yes
1968	359	98%	Yes
1969	362	99%	Yes
1970	362	99%	Yes
1971	362	99%	Yes
1972	365	100%	Yes
1973	195	53%	No

Latest Records

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

Climate Trend

23 complete years, 1946 to 1972

One stripe for each of 23 complete years at Eldred Rock, 1946 to 1972. Blue stripes are years cooler than the station's own mean of 5.1 C (41.3 F); red stripes are warmer. The coolest year was 1971, at 3.5 C (38.2 F), and the warmest was 1960, at 6.3 C (43.4 F). The strongest colour marks a difference of 1.7 C (3.1 F).

Annual mean temperature at Eldred Rock as warming stripes, 1946 to 1972
Year	Annual mean temperature	Difference from the station mean
1946	5.6 C	+0.43 C
1948	4.7 C	-0.42 C
1951	4.9 C	-0.27 C
1952	5.4 C	+0.23 C
1953	6.1 C	+0.98 C
1954	5.3 C	+0.16 C
1955	4.3 C	-0.90 C
1957	6.0 C	+0.85 C
1958	5.8 C	+0.62 C
1959	5.5 C	+0.39 C
1960	6.3 C	+1.18 C
1961	5.1 C	-0.07 C
1962	5.2 C	+0.08 C
1963	5.5 C	+0.38 C
1964	4.9 C	-0.29 C
1965	5.1 C	-0.07 C
1966	4.7 C	-0.46 C
1967	5.2 C	+0.02 C
1968	5.3 C	+0.17 C
1969	5.0 C	-0.13 C
1970	5.1 C	-0.03 C
1971	3.5 C	-1.70 C
1972	3.9 C	-1.21 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

1941 to 1973

Yearly extremes at Eldred Rock: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	30.0 C (86.0 F)	1963	25.3 C (77.5 F)	32
Coldest night (TNn)	-28.9 C (-20.0 F)	1971	-17.8 C (0.0 F)	32
Wettest day (Rx1day)	178.6 mm (7.0 in)	1947	49.6 mm (2.0 in)	32
Wettest five days (Rx5day)	263.1 mm (10.4 in)	1948	108.1 mm (4.3 in)	32
Longest dry spell (CDD)	46 days	1960	21 days	32

Hottest day (TXx)

The hottest day of the year at Eldred Rock, 1941 to 1973. The record is 30.0 C (86.0 F) in 1963, marked on the chart; the median year is 25.3 C (77.5 F).

Hottest day (TXx) at Eldred Rock by year
Year	Hottest day (TXx)
1941	25.0 C (77.0 F)
1943	12.8 C (55.0 F)
1944	22.2 C (72.0 F)
1945	21.1 C (70.0 F)
1946	26.7 C (80.1 F)
1947	27.8 C (82.0 F)
1948	25.0 C (77.0 F)
1949	15.0 C (59.0 F)
1950	25.0 C (77.0 F)
1951	28.3 C (82.9 F)
1952	22.8 C (73.0 F)
1953	27.8 C (82.0 F)
1954	25.6 C (78.1 F)
1955	25.6 C (78.1 F)
1956	24.4 C (75.9 F)
1957	25.6 C (78.1 F)
1958	25.0 C (77.0 F)
1959	24.4 C (75.9 F)
1960	22.2 C (72.0 F)
1961	21.7 C (71.1 F)
1962	23.9 C (75.0 F)
1963	30.0 C (86.0 F)
1964	26.7 C (80.1 F)
1965	26.7 C (80.1 F)
1966	25.6 C (78.1 F)
1967	25.6 C (78.1 F)
1968	26.1 C (79.0 F)
1969	27.8 C (82.0 F)
1970	23.9 C (75.0 F)
1971	29.4 C (84.9 F)
1972	28.9 C (84.0 F)
1973	19.4 C (66.9 F)

Coldest night (TNn)

The coldest night of the year at Eldred Rock, 1941 to 1973. The record is -28.9 C (-20.0 F) in 1971, marked on the chart; the median year is -17.8 C (0.0 F).

Coldest night (TNn) at Eldred Rock by year
Year	Coldest night (TNn)
1941	-3.9 C (25.0 F)
1943	0.0 C (32.0 F)
1944	-10.0 C (14.0 F)
1945	-15.0 C (5.0 F)
1946	-20.0 C (-4.0 F)
1947	-21.7 C (-7.1 F)
1948	-25.6 C (-14.1 F)
1949	-16.1 C (3.0 F)
1950	-15.0 C (5.0 F)
1951	-17.2 C (1.0 F)
1952	-20.6 C (-5.1 F)
1953	-17.8 C (0.0 F)
1954	-17.8 C (0.0 F)
1955	-16.1 C (3.0 F)
1956	-20.6 C (-5.1 F)
1957	-17.2 C (1.0 F)
1958	-11.7 C (10.9 F)
1959	-18.3 C (-0.9 F)
1960	-8.9 C (16.0 F)
1961	-16.7 C (1.9 F)
1962	-20.6 C (-5.1 F)
1963	-20.6 C (-5.1 F)
1964	-21.7 C (-7.1 F)
1965	-18.9 C (-2.0 F)
1966	-16.7 C (1.9 F)
1967	-13.3 C (8.1 F)
1968	-19.4 C (-2.9 F)
1969	-18.9 C (-2.0 F)
1970	-18.3 C (-0.9 F)
1971	-28.9 C (-20.0 F)
1972	-22.8 C (-9.0 F)
1973	-17.8 C (0.0 F)

Wettest day (Rx1day)

The wettest day of the year at Eldred Rock, 1941 to 1973. The record is 178.6 mm (7.0 in) in 1947, marked on the chart; the median year is 49.6 mm (2.0 in).

Wettest day (Rx1day) at Eldred Rock by year
Year	Wettest day (Rx1day)
1941	35.6 mm (1.4 in)
1943	50.8 mm (2.0 in)
1944	35.3 mm (1.4 in)
1945	66.0 mm (2.6 in)
1946	79.0 mm (3.1 in)
1947	178.6 mm (7.0 in)
1948	53.8 mm (2.1 in)
1949	5.1 mm (0.20 in)
1950	52.1 mm (2.1 in)
1951	105.4 mm (4.1 in)
1952	71.1 mm (2.8 in)
1953	76.2 mm (3.0 in)
1954	45.7 mm (1.8 in)
1955	38.6 mm (1.5 in)
1956	40.6 mm (1.6 in)
1957	43.2 mm (1.7 in)
1958	26.7 mm (1.1 in)
1959	76.7 mm (3.0 in)
1960	27.9 mm (1.1 in)
1961	63.5 mm (2.5 in)
1962	43.7 mm (1.7 in)
1963	48.3 mm (1.9 in)
1964	102.1 mm (4.0 in)
1965	46.2 mm (1.8 in)
1966	45.7 mm (1.8 in)
1967	78.2 mm (3.1 in)
1968	45.2 mm (1.8 in)
1969	61.0 mm (2.4 in)
1970	50.8 mm (2.0 in)
1971	56.6 mm (2.2 in)
1972	35.1 mm (1.4 in)
1973	21.6 mm (0.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Eldred Rock, 1941 to 1973. The record is 263.1 mm (10.4 in) in 1948, marked on the chart; the median year is 108.1 mm (4.3 in).

Wettest five days (Rx5day) at Eldred Rock by year
Year	Wettest five days (Rx5day)
1941	91.6 mm (3.6 in)
1943	83.3 mm (3.3 in)
1944	60.2 mm (2.4 in)
1945	123.4 mm (4.9 in)
1946	103.7 mm (4.1 in)
1947	261.1 mm (10.3 in)
1948	263.1 mm (10.4 in)
1949	11.4 mm (0.4 in)
1950	106.2 mm (4.2 in)
1951	219.9 mm (8.7 in)
1952	160.6 mm (6.3 in)
1953	206.2 mm (8.1 in)
1954	143.5 mm (5.6 in)
1955	63.2 mm (2.5 in)
1956	101.6 mm (4.0 in)
1957	115.8 mm (4.6 in)
1958	68.6 mm (2.7 in)
1959	104.7 mm (4.1 in)
1960	76.5 mm (3.0 in)
1961	102.4 mm (4.0 in)
1962	115.6 mm (4.6 in)
1963	143.8 mm (5.7 in)
1964	187.2 mm (7.4 in)
1965	99.6 mm (3.9 in)
1966	100.5 mm (4.0 in)
1967	167.8 mm (6.6 in)
1968	99.9 mm (3.9 in)
1969	116.9 mm (4.6 in)
1970	173.7 mm (6.8 in)
1971	115.9 mm (4.6 in)
1972	110.0 mm (4.3 in)
1973	55.7 mm (2.2 in)

Longest dry spell (CDD)

The longest dry spell of the year at Eldred Rock, 1941 to 1973. The record is 46 days in 1960, marked on the chart; the median year is 21 days.

Longest dry spell (CDD) at Eldred Rock by year
Year	Longest dry spell (CDD)
1941	27 days
1943	3 days
1944	14 days
1945	27 days
1946	16 days
1947	10 days
1948	32 days
1949	15 days
1950	23 days
1951	25 days
1952	27 days
1953	19 days
1954	16 days
1955	21 days
1956	19 days
1957	38 days
1958	23 days
1959	38 days
1960	46 days
1961	20 days
1962	21 days
1963	17 days
1964	14 days
1965	23 days
1966	22 days
1967	14 days
1968	18 days
1969	19 days
1970	15 days
1971	30 days
1972	25 days
1973	11 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

23 years with a frost

Across 23 years with a frost, the median last spring frost at Eldred Rock falls on 19 April and the median first autumn frost on 20 October, which leaves a median of 187 days between them.

Frost dates and growing season at Eldred Rock
Measure	Median, all years	Earliest period	Recent period (1946 to 1972)	Recent against earliest	Fitted trend
Last spring frost	19 April	n/a	19 April	n/a	n/a
First autumn frost	20 October	n/a	20 October	n/a	n/a
Growing days	187 days	n/a	187 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 Eldred Rock standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Eldred Rock 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 2026-10-15 (15 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).