Vunzik Lake Alaska Weather Records (USR0000AVUN)

Record envelope, standing records and threshold days for Vunzik Lake Alaska (USR0000AVUN), Alaska, United States, with 30 years of record.

Key Facts for Vunzik Lake Alaska

Vunzik Lake Alaska (USR0000AVUN) is a weather station in Alaska, United States at 66.80 latitude and -146.72 longitude, 160 m (525 ft) above sea level.
The station reports from 1994 to 2023, 30 years of record.
1,464 records set at Vunzik Lake Alaska 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, 66.80 latitude, -146.72 longitude.
Elevation: 160 m (525 ft).
Period of record: 1994 to 2023, 30 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

33 days at or beyond a record

The band shows the record high and record low for each calendar day at Vunzik Lake Alaska. The lines show the 2026 daily maximum and minimum. 33 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Vunzik Lake Alaska, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	8.3 C (46.9 F)	-51.1 C (-60.0 F)	-1.1 C (30.0 F)	-35.0 C (-31.0 F)
Feb	3.3 C (37.9 F)	-46.1 C (-51.0 F)	-8.3 C (17.1 F)	-34.4 C (-29.9 F)
Mar	8.3 C (46.9 F)	-39.4 C (-38.9 F)	2.8 C (37.0 F)	-23.3 C (-9.9 F)
Apr	18.9 C (66.0 F)	-32.8 C (-27.0 F)	9.4 C (48.9 F)	-14.4 C (6.1 F)
May	29.4 C (84.9 F)	-15.0 C (5.0 F)	21.7 C (71.1 F)	-5.6 C (21.9 F)
Jun	33.3 C (91.9 F)	-5.0 C (23.0 F)	32.2 C (90.0 F)	2.2 C (36.0 F)
Jul	33.3 C (91.9 F)	1.7 C (35.1 F)	32.2 C (90.0 F)	5.6 C (42.1 F)
Aug	32.2 C (90.0 F)	-4.4 C (24.1 F)	27.2 C (81.0 F)	2.8 C (37.0 F)
Sep	25.0 C (77.0 F)	-12.2 C (10.0 F)	17.2 C (63.0 F)	-4.4 C (24.1 F)
Oct	17.8 C (64.0 F)	-37.2 C (-35.0 F)	10.6 C (51.1 F)	-9.4 C (15.1 F)
Nov	0.6 C (33.1 F)	-41.7 C (-43.1 F)	-0.6 C (30.9 F)	-27.2 C (-17.0 F)
Dec	1.7 C (35.1 F)	-48.3 C (-54.9 F)	-6.7 C (19.9 F)	-37.2 C (-35.0 F)

Which Years Hold Standing Records

1,464 standing records

1,464 records at Vunzik Lake Alaska still stand. 1996 holds the most, with 114.

Standing records at Vunzik Lake Alaska by the year they were set
Year set	Standing records
1994	35
1995	113
1996	114
1997	50
1998	18
1999	77
2000	54
2001	62
2002	57
2003	63
2004	64
2005	59
2006	19
2007	20
2008	14
2009	32
2010	13
2011	22
2012	11
2014	36
2016	53
2017	72
2018	42
2020	68
2021	69
2022	49
2023	57
2024	63
2025	58

Period of Record Coverage

1994 to 2025

29 years of record at Vunzik Lake Alaska, 1994 to 2025. 17 years have data for under 90 percent of days and are left out of rankings: 1994, 1997, 1998, 2002, 2003, 2005, 2006, 2007 and others.

Days with data per year at Vunzik Lake Alaska
Year	Days with data	Share of year	Complete
1994	144	39%	No
1995	362	99%	Yes
1996	362	99%	Yes
1997	221	61%	No
1998	218	60%	No
1999	363	99%	Yes
2000	348	95%	Yes
2001	360	99%	Yes
2002	221	61%	No
2003	226	62%	No
2004	362	99%	Yes
2005	221	61%	No
2006	147	40%	No
2007	100	27%	No
2008	117	32%	No
2009	105	29%	No
2010	91	25%	No
2011	177	48%	No
2012	178	49%	No
2014	326	89%	No
2016	365	100%	Yes
2017	363	99%	Yes
2018	305	84%	No
2020	363	99%	Yes
2021	362	99%	Yes
2022	364	100%	Yes
2023	364	100%	Yes
2024	328	90%	No
2025	318	87%	No

Latest Records

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

Climate Trend

11 complete years, 1995 to 2023

One stripe for each of 11 complete years at Vunzik Lake Alaska, 1995 to 2023. Blue stripes are years cooler than the station's own mean of -3.8 C (25.1 F); red stripes are warmer. The coolest year was 1996, at -6.4 C (20.5 F), and the warmest was 2016, at -2.2 C (28.1 F). The strongest colour marks a difference of 2.6 C (4.7 F).

Annual mean temperature at Vunzik Lake Alaska as warming stripes, 1995 to 2023
Year	Annual mean temperature	Difference from the station mean
1995	-3.9 C	-0.06 C
1996	-6.4 C	-2.57 C
1999	-5.1 C	-1.32 C
2001	-3.3 C	+0.49 C
2004	-3.9 C	-0.04 C
2016	-2.2 C	+1.64 C
2017	-2.9 C	+0.88 C
2020	-4.2 C	-0.39 C
2021	-4.0 C	-0.18 C
2022	-3.6 C	+0.19 C
2023	-2.5 C	+1.31 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

1994 to 2026

Yearly extremes at Vunzik Lake Alaska: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	33.3 C (91.9 F)	1998	31.1 C (88.0 F)	30
Coldest night (TNn)	-51.1 C (-60.0 F)	1997	-39.7 C (-39.5 F)	30

Hottest day (TXx)

The hottest day of the year at Vunzik Lake Alaska, 1994 to 2026. The record is 33.3 C (91.9 F) in 1998, marked on the chart; the median year is 31.1 C (88.0 F).

Hottest day (TXx) at Vunzik Lake Alaska by year
Year	Hottest day (TXx)
1994	32.2 C (90.0 F)
1995	30.0 C (86.0 F)
1996	28.3 C (82.9 F)
1997	30.0 C (86.0 F)
1998	33.3 C (91.9 F)
1999	32.2 C (90.0 F)
2000	31.1 C (88.0 F)
2001	30.6 C (87.1 F)
2002	31.1 C (88.0 F)
2003	30.0 C (86.0 F)
2004	33.3 C (91.9 F)
2005	31.1 C (88.0 F)
2006	27.8 C (82.0 F)
2007	30.6 C (87.1 F)
2008	30.0 C (86.0 F)
2009	32.2 C (90.0 F)
2010	31.7 C (89.1 F)
2011	29.4 C (84.9 F)
2012	30.0 C (86.0 F)
2014	29.4 C (84.9 F)
2016	32.8 C (91.0 F)
2017	31.1 C (88.0 F)
2018	32.8 C (91.0 F)
2020	28.3 C (82.9 F)
2021	30.0 C (86.0 F)
2022	31.1 C (88.0 F)
2023	31.1 C (88.0 F)
2024	32.2 C (90.0 F)
2025	32.2 C (90.0 F)
2026	30.0 C (86.0 F)

Coldest night (TNn)

The coldest night of the year at Vunzik Lake Alaska, 1994 to 2026. The record is -51.1 C (-60.0 F) in 1997, marked on the chart; the median year is -39.7 C (-39.5 F).

Coldest night (TNn) at Vunzik Lake Alaska by year
Year	Coldest night (TNn)
1994	-43.9 C (-47.0 F)
1995	-48.3 C (-54.9 F)
1996	-45.0 C (-49.0 F)
1997	-51.1 C (-60.0 F)
1998	-38.3 C (-36.9 F)
1999	-46.1 C (-51.0 F)
2000	-46.7 C (-52.1 F)
2001	-38.9 C (-38.0 F)
2002	-39.4 C (-38.9 F)
2003	-43.3 C (-45.9 F)
2004	-40.0 C (-40.0 F)
2005	-44.4 C (-47.9 F)
2006	-6.7 C (19.9 F)
2007	1.7 C (35.1 F)
2008	-0.6 C (30.9 F)
2009	-3.9 C (25.0 F)
2010	4.4 C (39.9 F)
2011	-7.8 C (18.0 F)
2012	-35.0 C (-31.0 F)
2014	-42.8 C (-45.0 F)
2016	-39.4 C (-38.9 F)
2017	-42.8 C (-45.0 F)
2018	-36.1 C (-33.0 F)
2020	-43.9 C (-47.0 F)
2021	-43.9 C (-47.0 F)
2022	-41.7 C (-43.1 F)
2023	-38.3 C (-36.9 F)
2024	-46.1 C (-51.0 F)
2025	-37.2 C (-35.0 F)
2026	-39.4 C (-38.9 F)

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 Vunzik Lake Alaska standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Vunzik Lake Alaska 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 2026-10-13 (13 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).