Atka Weather Records (USC00500433)

Record envelope, standing records and threshold days for Atka (USC00500433), Alaska, United States, with 111 years of record.

Key Facts for Atka

Atka (USC00500433) is a weather station in Alaska, United States at 52.22 latitude and -174.20 longitude, 12 m (39 ft) above sea level.
The station reports from 1916 to 2026, 111 years of record.
1,464 records set at Atka 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, 52.22 latitude, -174.20 longitude.
Elevation: 12 m (39 ft).
Period of record: 1916 to 2026, 111 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

42 days at or beyond a record

The band shows the record high and record low for each calendar day at Atka. The lines show the 2026 daily maximum and minimum. 42 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Atka, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	10.0 C (50.0 F)	-10.0 C (14.0 F)	5.6 C (42.1 F)	-6.0 C (21.2 F)
Feb	8.3 C (46.9 F)	-11.1 C (12.0 F)	7.8 C (46.0 F)	-5.5 C (22.1 F)
Mar	10.6 C (51.1 F)	-8.3 C (17.1 F)	10.6 C (51.1 F)	-3.8 C (25.2 F)
Apr	15.0 C (59.0 F)	-6.1 C (21.0 F)	7.2 C (45.0 F)	-3.2 C (26.2 F)
May	15.0 C (59.0 F)	-3.3 C (26.1 F)	9.4 C (48.9 F)	-0.5 C (31.1 F)
Jun	16.1 C (61.0 F)	-0.6 C (30.9 F)	16.1 C (61.0 F)	1.7 C (35.1 F)
Jul	23.9 C (75.0 F)	0.6 C (33.1 F)	21.7 C (71.1 F)	5.6 C (42.1 F)
Aug	25.0 C (77.0 F)	-1.1 C (30.0 F)	24.4 C (75.9 F)	7.2 C (45.0 F)
Sep	19.4 C (66.9 F)	-3.3 C (26.1 F)	18.3 C (64.9 F)	5.0 C (41.0 F)
Oct	15.0 C (59.0 F)	-6.7 C (19.9 F)	13.9 C (57.0 F)	-1.1 C (30.0 F)
Nov	12.2 C (54.0 F)	-10.6 C (12.9 F)	10.6 C (51.1 F)	-1.1 C (30.0 F)
Dec	8.9 C (48.0 F)	-9.4 C (15.1 F)	8.3 C (46.9 F)	-3.3 C (26.1 F)

Which Years Hold Standing Records

1,464 standing records

1,464 records at Atka still stand. 1918 holds the most, with 169.

Standing records at Atka by the year they were set
Year set	Standing records
1916	12
1917	102
1918	169
1923	32
1924	95
1925	30
1926	43
1927	74
1928	19
1936	44
1937	73
1938	94
1939	60
1940	67
1941	57
1942	22
1945	32
1947	22
1948	51
1949	33
2017	24
2018	42
2019	55
2020	36
2021	7
2022	7
2023	59
2024	53
2025	50

Wettest Day of Each Month

Jul: 219.5 mm (8.6 in)

The wettest day on record for each calendar month at Atka. The most was 219.5 mm (8.6 in) on 16 July 2025.

Record daily precipitation for each month at Atka
Month	Record daily precipitation (mm)	Date
Jan	156.5 mm (6.2 in)	11 January 2024
Feb	129.5 mm (5.1 in)	25 February 1919
Mar	50.5 mm (2.0 in)	26 March 1948
Apr	89.4 mm (3.5 in)	5 April 2023
May	37.6 mm (1.5 in)	27 May 1938
Jun	201.7 mm (7.9 in)	8 June 2025
Jul	219.5 mm (8.6 in)	16 July 2025
Aug	63.5 mm (2.5 in)	3 August 1941
Sep	219.5 mm (8.6 in)	25 September 2025
Oct	79.2 mm (3.1 in)	15 October 2025
Nov	81.3 mm (3.2 in)	30 November 2023
Dec	67.1 mm (2.6 in)	28 December 1923

Period of Record Coverage

1916 to 2025

29 years of record at Atka, 1916 to 2025. 24 years have data for under 90 percent of days and are left out of rankings: 1916, 1917, 1918, 1923, 1925, 1926, 1927, 1928 and others.

Days with data per year at Atka
Year	Days with data	Share of year	Complete
1916	92	25%	No
1917	284	78%	No
1918	296	81%	No
1923	120	33%	No
1924	365	100%	Yes
1925	151	41%	No
1926	220	60%	No
1927	240	66%	No
1928	91	25%	No
1936	149	41%	No
1937	191	52%	No
1938	365	100%	Yes
1939	294	81%	No
1940	366	100%	Yes
1941	365	100%	Yes
1942	162	44%	No
1945	249	68%	No
1947	150	41%	No
1948	363	99%	Yes
1949	243	67%	No
2017	98	27%	No
2018	266	73%	No
2019	295	81%	No
2020	214	58%	No
2021	14	4%	No
2022	49	13%	No
2023	252	69%	No
2024	290	79%	No
2025	285	78%	No

Latest Records

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

Extremes by Year

1916 to 2026

Yearly extremes at Atka: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	25.0 C (77.0 F)	1949	18.0 C (64.5 F)	30
Coldest night (TNn)	-11.1 C (12.0 F)	1925	-7.8 C (18.0 F)	30
Wettest day (Rx1day)	226.8 mm (8.9 in)	2026	52.8 mm (2.1 in)	31
Wettest five days (Rx5day)	340.1 mm (13.4 in)	2025	83.6 mm (3.3 in)	31
Longest dry spell (CDD)	44 days	2025	10 days	31

Hottest day (TXx)

The hottest day of the year at Atka, 1916 to 2026. The record is 25.0 C (77.0 F) in 1949, marked on the chart; the median year is 18.0 C (64.5 F).

Hottest day (TXx) at Atka by year
Year	Hottest day (TXx)
1916	13.9 C (57.0 F)
1917	21.7 C (71.1 F)
1918	17.2 C (63.0 F)
1919	n/a
1923	12.8 C (55.0 F)
1924	20.6 C (69.1 F)
1925	7.2 C (45.0 F)
1926	16.7 C (62.1 F)
1927	16.7 C (62.1 F)
1928	6.1 C (43.0 F)
1936	24.4 C (75.9 F)
1937	14.4 C (57.9 F)
1938	22.2 C (72.0 F)
1939	15.0 C (59.0 F)
1940	18.9 C (66.0 F)
1941	21.1 C (70.0 F)
1942	15.0 C (59.0 F)
1945	17.2 C (63.0 F)
1947	20.0 C (68.0 F)
1948	23.3 C (73.9 F)
1949	25.0 C (77.0 F)
2017	13.3 C (55.9 F)
2018	22.2 C (72.0 F)
2019	16.7 C (62.1 F)
2020	18.9 C (66.0 F)
2021	2.8 C (37.0 F)
2022	10.6 C (51.1 F)
2023	21.7 C (71.1 F)
2024	23.9 C (75.0 F)
2025	24.4 C (75.9 F)
2026	23.3 C (73.9 F)

Coldest night (TNn)

The coldest night of the year at Atka, 1916 to 2026. The record is -11.1 C (12.0 F) in 1925, marked on the chart; the median year is -7.8 C (18.0 F).

Coldest night (TNn) at Atka by year
Year	Coldest night (TNn)
1916	-4.4 C (24.1 F)
1917	-7.8 C (18.0 F)
1918	-6.1 C (21.0 F)
1919	n/a
1923	-10.6 C (12.9 F)
1924	-8.3 C (17.1 F)
1925	-11.1 C (12.0 F)
1926	-8.9 C (16.0 F)
1927	-8.9 C (16.0 F)
1928	-7.2 C (19.0 F)
1936	-9.4 C (15.1 F)
1937	-7.8 C (18.0 F)
1938	-8.9 C (16.0 F)
1939	-8.9 C (16.0 F)
1940	-8.3 C (17.1 F)
1941	-10.0 C (14.0 F)
1942	-7.8 C (18.0 F)
1945	-7.8 C (18.0 F)
1947	-5.0 C (23.0 F)
1948	-7.8 C (18.0 F)
1949	-5.6 C (21.9 F)
2017	-5.5 C (22.1 F)
2018	-6.6 C (20.1 F)
2019	-6.0 C (21.2 F)
2020	-8.2 C (17.2 F)
2021	-8.8 C (16.2 F)
2022	-1.6 C (29.1 F)
2023	-5.5 C (22.1 F)
2024	-8.2 C (17.2 F)
2025	-6.0 C (21.2 F)
2026	-8.3 C (17.1 F)

Wettest day (Rx1day)

The wettest day of the year at Atka, 1916 to 2026. The record is 226.8 mm (8.9 in) in 2026, marked on the chart; the median year is 52.8 mm (2.1 in).

Wettest day (Rx1day) at Atka by year
Year	Wettest day (Rx1day)
1916	50.8 mm (2.0 in)
1917	53.3 mm (2.1 in)
1918	50.8 mm (2.0 in)
1919	129.5 mm (5.1 in)
1923	67.1 mm (2.6 in)
1924	50.5 mm (2.0 in)
1925	51.6 mm (2.0 in)
1926	69.1 mm (2.7 in)
1927	79.5 mm (3.1 in)
1928	30.2 mm (1.2 in)
1936	52.8 mm (2.1 in)
1937	54.6 mm (2.1 in)
1938	37.6 mm (1.5 in)
1939	47.2 mm (1.9 in)
1940	66.5 mm (2.6 in)
1941	88.4 mm (3.5 in)
1942	46.7 mm (1.8 in)
1945	32.0 mm (1.3 in)
1947	23.6 mm (0.9 in)
1948	50.5 mm (2.0 in)
1949	53.6 mm (2.1 in)
2017	70.1 mm (2.8 in)
2018	10.9 mm (0.4 in)
2019	40.1 mm (1.6 in)
2020	54.9 mm (2.2 in)
2021	3.0 mm (0.12 in)
2022	22.4 mm (0.9 in)
2023	89.4 mm (3.5 in)
2024	156.5 mm (6.2 in)
2025	219.5 mm (8.6 in)
2026	226.8 mm (8.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Atka, 1916 to 2026. The record is 340.1 mm (13.4 in) in 2025, marked on the chart; the median year is 83.6 mm (3.3 in).

Wettest five days (Rx5day) at Atka by year
Year	Wettest five days (Rx5day)
1916	94.6 mm (3.7 in)
1917	83.6 mm (3.3 in)
1918	125.5 mm (4.9 in)
1919	76.2 mm (3.0 in)
1923	109.5 mm (4.3 in)
1924	108.0 mm (4.3 in)
1925	78.5 mm (3.1 in)
1926	100.9 mm (4.0 in)
1927	97.5 mm (3.8 in)
1928	47.4 mm (1.9 in)
1936	131.5 mm (5.2 in)
1937	95.4 mm (3.8 in)
1938	82.3 mm (3.2 in)
1939	75.0 mm (3.0 in)
1940	93.0 mm (3.7 in)
1941	167.9 mm (6.6 in)
1942	94.7 mm (3.7 in)
1945	57.6 mm (2.3 in)
1947	38.3 mm (1.5 in)
1948	100.8 mm (4.0 in)
1949	83.0 mm (3.3 in)
2017	79.3 mm (3.1 in)
2018	14.8 mm (0.6 in)
2019	61.5 mm (2.4 in)
2020	55.8 mm (2.2 in)
2021	6.3 mm (0.25 in)
2022	26.2 mm (1.0 in)
2023	90.3 mm (3.6 in)
2024	8.4 mm (0.33 in)
2025	340.1 mm (13.4 in)
2026	194.6 mm (7.7 in)

Longest dry spell (CDD)

The longest dry spell of the year at Atka, 1916 to 2026. The record is 44 days in 2025, marked on the chart; the median year is 10 days.

Longest dry spell (CDD) at Atka by year
Year	Longest dry spell (CDD)
1916	5 days
1917	17 days
1918	8 days
1919	15 days
1923	5 days
1924	19 days
1925	8 days
1926	8 days
1927	10 days
1928	10 days
1936	8 days
1937	7 days
1938	6 days
1939	11 days
1940	10 days
1941	15 days
1942	5 days
1945	10 days
1947	8 days
1948	10 days
1949	8 days
2017	5 days
2018	8 days
2019	14 days
2020	7 days
2021	5 days
2022	23 days
2023	18 days
2024	29 days
2025	44 days
2026	28 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 Atka standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Atka 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 2026-10-14 (14 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).