Nunivak Weather Records (USC00506727)

Record envelope, standing records and threshold days for Nunivak (USC00506727), Alaska, United States, with 51 years of record.

Key Facts for Nunivak

Nunivak (USC00506727) is a weather station in Alaska, United States at 60.38 latitude and -166.20 longitude, 16 m (52 ft) above sea level.
The station reports from 1923 to 1973, 51 years of record.
1,464 records set at Nunivak 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, 60.38 latitude, -166.20 longitude.
Elevation: 16 m (52 ft).
Period of record: 1923 to 1973, 51 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 Nunivak. 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 Nunivak, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	5.0 C (41.0 F)	-37.2 C (-35.0 F)	n/a	n/a
Feb	3.3 C (37.9 F)	-34.4 C (-29.9 F)	n/a	n/a
Mar	8.9 C (48.0 F)	-34.4 C (-29.9 F)	n/a	n/a
Apr	8.9 C (48.0 F)	-24.4 C (-11.9 F)	n/a	n/a
May	13.9 C (57.0 F)	-17.8 C (0.0 F)	n/a	n/a
Jun	21.7 C (71.1 F)	-5.6 C (21.9 F)	n/a	n/a
Jul	24.4 C (75.9 F)	-2.2 C (28.0 F)	n/a	n/a
Aug	21.1 C (70.0 F)	0.0 C (32.0 F)	n/a	n/a
Sep	17.2 C (63.0 F)	-3.9 C (25.0 F)	n/a	n/a
Oct	12.2 C (54.0 F)	-12.8 C (9.0 F)	n/a	n/a
Nov	7.8 C (46.0 F)	-27.8 C (-18.0 F)	n/a	n/a
Dec	8.3 C (46.9 F)	-39.4 C (-38.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Nunivak still stand. 1957 holds the most, with 81.

Standing records at Nunivak by the year they were set
Year set	Standing records
1923	14
1924	48
1925	10
1940	8
1941	56
1942	27
1944	5
1945	48
1946	39
1947	47
1948	50
1949	41
1950	47
1951	69
1952	30
1953	51
1954	49
1955	40
1956	53
1957	81
1958	52
1959	31
1960	20
1961	45
1962	58
1963	39
1964	57
1965	53
1966	35
1967	37
1968	48
1969	55
1970	32
1971	62
1972	25
1973	2

Wettest Day of Each Month

Jul: 43.2 mm (1.7 in)

The wettest day on record for each calendar month at Nunivak. The most was 43.2 mm (1.7 in) on 25 July 1955.

Record daily precipitation for each month at Nunivak
Month	Record daily precipitation (mm)	Date
Jan	29.7 mm (1.2 in)	31 January 1948
Feb	30.5 mm (1.2 in)	6 February 1945
Mar	28.7 mm (1.1 in)	2 March 1957
Apr	20.8 mm (0.8 in)	1 April 1953
May	9.1 mm (0.36 in)	14 May 1946
Jun	21.1 mm (0.8 in)	27 June 1959
Jul	43.2 mm (1.7 in)	25 July 1955
Aug	26.9 mm (1.1 in)	16 August 1963
Sep	25.1 mm (1.0 in)	29 September 1954
Oct	22.4 mm (0.9 in)	14 October 1966
Nov	29.0 mm (1.1 in)	26 November 1958
Dec	16.8 mm (0.7 in)	4 December 1952

Period of Record Coverage

1923 to 1973

36 years of record at Nunivak, 1923 to 1973. 17 years have data for under 90 percent of days and are left out of rankings: 1923, 1924, 1925, 1940, 1941, 1942, 1944, 1945 and others.

Days with data per year at Nunivak
Year	Days with data	Share of year	Complete
1923	104	28%	No
1924	179	49%	No
1925	119	33%	No
1940	52	14%	No
1941	317	87%	No
1942	96	26%	No
1944	31	8%	No
1945	261	72%	No
1946	362	99%	Yes
1947	354	97%	Yes
1948	296	81%	No
1949	360	99%	Yes
1950	363	99%	Yes
1951	354	97%	Yes
1952	366	100%	Yes
1953	363	99%	Yes
1954	365	100%	Yes
1955	361	99%	Yes
1956	350	96%	Yes
1957	361	99%	Yes
1958	329	90%	Yes
1959	260	71%	No
1960	300	82%	No
1961	361	99%	Yes
1962	359	98%	Yes
1963	266	73%	No
1964	356	97%	Yes
1965	362	99%	Yes
1966	344	94%	Yes
1967	356	98%	Yes
1968	325	89%	No
1969	349	96%	Yes
1970	229	63%	No
1971	297	81%	No
1972	244	67%	No
1973	25	7%	No

Latest Records

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

Climate Trend

16 complete years, 1946 to 1969

One stripe for each of 16 complete years at Nunivak, 1946 to 1969. Blue stripes are years cooler than the station's own mean of -1.6 C (29.2 F); red stripes are warmer. The coolest year was 1956, at -3.4 C (25.9 F), and the warmest was 1967, at 0.9 C (33.6 F). The strongest colour marks a difference of 2.5 C (4.5 F).

Annual mean temperature at Nunivak as warming stripes, 1946 to 1969
Year	Annual mean temperature	Difference from the station mean
1946	-2.3 C	-0.73 C
1947	-1.5 C	+0.03 C
1949	-1.2 C	+0.33 C
1950	0.0 C	+1.56 C
1951	-0.8 C	+0.77 C
1952	-1.4 C	+0.15 C
1953	-1.3 C	+0.23 C
1954	-1.8 C	-0.25 C
1955	-2.3 C	-0.72 C
1956	-3.4 C	-1.83 C
1961	-3.0 C	-1.48 C
1962	-1.9 C	-0.31 C
1964	-3.1 C	-1.56 C
1965	-1.9 C	-0.31 C
1967	0.9 C	+2.48 C
1969	0.0 C	+1.58 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

1923 to 1973

Yearly extremes at Nunivak: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	24.4 C (75.9 F)	1962	17.8 C (64.0 F)	36
Coldest night (TNn)	-39.4 C (-38.9 F)	1957	-29.7 C (-21.5 F)	36
Wettest day (Rx1day)	43.2 mm (1.7 in)	1955	20.3 mm (0.8 in)	35
Wettest five days (Rx5day)	48.1 mm (1.9 in)	1956	29.9 mm (1.2 in)	35
Longest dry spell (CDD)	54 days	1954	24 days	35

Hottest day (TXx)

The hottest day of the year at Nunivak, 1923 to 1973. The record is 24.4 C (75.9 F) in 1962, marked on the chart; the median year is 17.8 C (64.0 F).

Hottest day (TXx) at Nunivak by year
Year	Hottest day (TXx)
1923	13.9 C (57.0 F)
1924	14.4 C (57.9 F)
1925	8.9 C (48.0 F)
1940	6.1 C (43.0 F)
1941	19.4 C (66.9 F)
1942	11.7 C (53.1 F)
1944	2.8 C (37.0 F)
1945	15.6 C (60.1 F)
1946	21.1 C (70.0 F)
1947	17.2 C (63.0 F)
1948	15.0 C (59.0 F)
1949	20.6 C (69.1 F)
1950	21.1 C (70.0 F)
1951	17.8 C (64.0 F)
1952	18.9 C (66.0 F)
1953	21.7 C (71.1 F)
1954	17.8 C (64.0 F)
1955	21.1 C (70.0 F)
1956	17.2 C (63.0 F)
1957	17.8 C (64.0 F)
1958	20.6 C (69.1 F)
1959	18.3 C (64.9 F)
1960	18.9 C (66.0 F)
1961	17.2 C (63.0 F)
1962	24.4 C (75.9 F)
1963	18.9 C (66.0 F)
1964	20.6 C (69.1 F)
1965	17.8 C (64.0 F)
1966	16.1 C (61.0 F)
1967	17.2 C (63.0 F)
1968	21.7 C (71.1 F)
1969	15.6 C (60.1 F)
1970	16.7 C (62.1 F)
1971	18.3 C (64.9 F)
1972	17.8 C (64.0 F)
1973	0.0 C (32.0 F)

Coldest night (TNn)

The coldest night of the year at Nunivak, 1923 to 1973. The record is -39.4 C (-38.9 F) in 1957, marked on the chart; the median year is -29.7 C (-21.5 F).

Coldest night (TNn) at Nunivak by year
Year	Coldest night (TNn)
1923	-24.4 C (-11.9 F)
1924	-29.4 C (-20.9 F)
1925	-33.3 C (-27.9 F)
1940	-23.9 C (-11.0 F)
1941	-30.6 C (-23.1 F)
1942	-22.8 C (-9.0 F)
1944	-21.7 C (-7.1 F)
1945	-27.8 C (-18.0 F)
1946	-29.4 C (-20.9 F)
1947	-29.4 C (-20.9 F)
1948	-28.3 C (-18.9 F)
1949	-30.0 C (-22.0 F)
1950	-22.2 C (-8.0 F)
1951	-31.1 C (-24.0 F)
1952	-27.2 C (-17.0 F)
1953	-30.0 C (-22.0 F)
1954	-32.8 C (-27.0 F)
1955	-30.6 C (-23.1 F)
1956	-31.7 C (-25.1 F)
1957	-39.4 C (-38.9 F)
1958	-37.2 C (-35.0 F)
1959	-28.9 C (-20.0 F)
1960	-30.0 C (-22.0 F)
1961	-31.1 C (-24.0 F)
1962	-27.2 C (-17.0 F)
1963	-33.3 C (-27.9 F)
1964	-34.4 C (-29.9 F)
1965	-28.9 C (-20.0 F)
1966	-32.2 C (-26.0 F)
1967	-27.2 C (-17.0 F)
1968	-28.3 C (-18.9 F)
1969	-30.0 C (-22.0 F)
1970	-33.9 C (-29.0 F)
1971	-33.9 C (-29.0 F)
1972	-26.7 C (-16.1 F)
1973	-24.4 C (-11.9 F)

Wettest day (Rx1day)

The wettest day of the year at Nunivak, 1923 to 1973. The record is 43.2 mm (1.7 in) in 1955, marked on the chart; the median year is 20.3 mm (0.8 in).

Wettest day (Rx1day) at Nunivak by year
Year	Wettest day (Rx1day)
1923	20.3 mm (0.8 in)
1924	11.2 mm (0.4 in)
1925	n/a
1940	11.9 mm (0.5 in)
1941	10.9 mm (0.4 in)
1942	26.4 mm (1.0 in)
1944	3.0 mm (0.12 in)
1945	30.5 mm (1.2 in)
1946	26.2 mm (1.0 in)
1947	14.0 mm (0.6 in)
1948	29.7 mm (1.2 in)
1949	10.9 mm (0.4 in)
1950	18.3 mm (0.7 in)
1951	25.7 mm (1.0 in)
1952	16.8 mm (0.7 in)
1953	20.8 mm (0.8 in)
1954	25.1 mm (1.0 in)
1955	43.2 mm (1.7 in)
1956	18.8 mm (0.7 in)
1957	28.7 mm (1.1 in)
1958	29.0 mm (1.1 in)
1959	21.1 mm (0.8 in)
1960	28.2 mm (1.1 in)
1961	14.0 mm (0.6 in)
1962	22.6 mm (0.9 in)
1963	26.9 mm (1.1 in)
1964	22.4 mm (0.9 in)
1965	21.6 mm (0.9 in)
1966	22.4 mm (0.9 in)
1967	20.3 mm (0.8 in)
1968	11.4 mm (0.4 in)
1969	14.7 mm (0.6 in)
1970	9.7 mm (0.38 in)
1971	13.2 mm (0.5 in)
1972	6.1 mm (0.24 in)
1973	2.3 mm (0.09 in)

Wettest five days (Rx5day)

The wettest five days of the year at Nunivak, 1923 to 1973. The record is 48.1 mm (1.9 in) in 1956, marked on the chart; the median year is 29.9 mm (1.2 in).

Wettest five days (Rx5day) at Nunivak by year
Year	Wettest five days (Rx5day)
1923	43.9 mm (1.7 in)
1924	3.0 mm (0.12 in)
1925	n/a
1940	24.9 mm (1.0 in)
1941	22.5 mm (0.9 in)
1942	11.0 mm (0.4 in)
1944	6.3 mm (0.25 in)
1945	32.5 mm (1.3 in)
1946	40.2 mm (1.6 in)
1947	24.7 mm (1.0 in)
1948	46.5 mm (1.8 in)
1949	22.2 mm (0.9 in)
1950	38.6 mm (1.5 in)
1951	40.0 mm (1.6 in)
1952	21.6 mm (0.9 in)
1953	29.9 mm (1.2 in)
1954	27.4 mm (1.1 in)
1955	47.6 mm (1.9 in)
1956	48.1 mm (1.9 in)
1957	34.6 mm (1.4 in)
1958	45.8 mm (1.8 in)
1959	26.9 mm (1.1 in)
1960	46.8 mm (1.8 in)
1961	27.2 mm (1.1 in)
1962	43.9 mm (1.7 in)
1963	38.6 mm (1.5 in)
1964	40.6 mm (1.6 in)
1965	30.6 mm (1.2 in)
1966	34.3 mm (1.4 in)
1967	35.2 mm (1.4 in)
1968	23.9 mm (0.9 in)
1969	29.1 mm (1.1 in)
1970	21.3 mm (0.8 in)
1971	24.6 mm (1.0 in)
1972	13.5 mm (0.5 in)
1973	5.0 mm (0.20 in)

Longest dry spell (CDD)

The longest dry spell of the year at Nunivak, 1923 to 1973. The record is 54 days in 1954, marked on the chart; the median year is 24 days.

Longest dry spell (CDD) at Nunivak by year
Year	Longest dry spell (CDD)
1923	13 days
1924	24 days
1925	n/a
1940	10 days
1941	27 days
1942	12 days
1944	13 days
1945	42 days
1946	44 days
1947	16 days
1948	28 days
1949	27 days
1950	42 days
1951	25 days
1952	24 days
1953	36 days
1954	54 days
1955	21 days
1956	34 days
1957	32 days
1958	41 days
1959	15 days
1960	27 days
1961	27 days
1962	23 days
1963	32 days
1964	19 days
1965	21 days
1966	21 days
1967	14 days
1968	24 days
1969	15 days
1970	21 days
1971	23 days
1972	30 days
1973	8 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.

Download the Data

Data for Nunivak standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Nunivak 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).