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Built 2026-10-17 (17 October 2026)

Klawock Weather Records (USC00504898)

Record envelope, standing records and threshold days for Klawock (USC00504898), Alaska, United States, with 61 years of record.

Key Facts for Klawock

  • Klawock (USC00504898) is a weather station in Alaska, United States at 55.55 latitude and -133.10 longitude, 3 m (10 ft) above sea level.
  • The station reports from 1929 to 1989, 61 years of record.
  • 1,464 records set at Klawock 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, 55.55 latitude, -133.10 longitude.
  • Elevation: 3 m (10 ft).
  • Period of record: 1929 to 1989, 61 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Klawock, with 2026 drawn through them The band shows the record high and record low for each calendar day at Klawock. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -20-100102030 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Klawock. 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 Klawock, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan13.9 C (57.0 F)-9.4 C (15.1 F)n/an/a
Feb10.6 C (51.1 F)-16.1 C (3.0 F)n/an/a
Mar15.0 C (59.0 F)-11.1 C (12.0 F)n/an/a
Apr22.8 C (73.0 F)-3.9 C (25.0 F)n/an/a
May27.8 C (82.0 F)-2.2 C (28.0 F)n/an/a
Jun25.6 C (78.1 F)1.1 C (34.0 F)n/an/a
Jul27.2 C (81.0 F)1.1 C (34.0 F)n/an/a
Aug23.9 C (75.0 F)3.9 C (39.0 F)n/an/a
Sep26.7 C (80.1 F)1.1 C (34.0 F)n/an/a
Oct18.9 C (66.0 F)-10.0 C (14.0 F)n/an/a
Nov15.0 C (59.0 F)-9.4 C (15.1 F)n/an/a
Dec10.0 C (50.0 F)-13.3 C (8.1 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Klawock by the year they were set 1,464 records at Klawock still stand. 1983 holds the most, with 213. 01002003001980: 851981: 1951982: 2021983: 2131984: 1681985: 1041986: 1831987: 1161988: 1851989: 131980198119821983198419851986198719881989
1,464 records at Klawock still stand. 1983 holds the most, with 213.
Standing records at Klawock by the year they were set
Year setStanding records
198085
1981195
1982202
1983213
1984168
1985104
1986183
1987116
1988185
198913

Wettest Day of Each Month

Oct: 108.0 mm (4.3 in)
Record daily precipitation for each month at Klawock The wettest day on record for each calendar month at Klawock. The most was 108.0 mm (4.3 in) on 28 October 1980. 050100150 Jan: 56.6 mm (2.2 in), 17 January 1987 Jan Feb: 63.5 mm (2.5 in), 22 February 1932 Feb Mar: 73.7 mm (2.9 in), 9 March 1981 Mar Apr: 43.2 mm (1.7 in), 19 April 1982 Apr May: 53.3 mm (2.1 in), 26 May 1931 May Jun: 30.7 mm (1.2 in), 9 June 1930 Jun Jul: 22.9 mm (0.9 in), 24 July 1930 Jul Aug: 50.8 mm (2.0 in), 19 August 1983 Aug Sep: 64.8 mm (2.6 in), 22 September 1986 Sep Oct: 108.0 mm (4.3 in), 28 October 1980 Oct Nov: 78.7 mm (3.1 in), 1 November 1986 Nov Dec: 52.8 mm (2.1 in), 14 December 1984 Dec
The wettest day on record for each calendar month at Klawock. The most was 108.0 mm (4.3 in) on 28 October 1980.
Record daily precipitation for each month at Klawock
MonthRecord daily precipitation (mm)Date
Jan56.6 mm (2.2 in)17 January 1987
Feb63.5 mm (2.5 in)22 February 1932
Mar73.7 mm (2.9 in)9 March 1981
Apr43.2 mm (1.7 in)19 April 1982
May53.3 mm (2.1 in)26 May 1931
Jun30.7 mm (1.2 in)9 June 1930
Jul22.9 mm (0.9 in)24 July 1930
Aug50.8 mm (2.0 in)19 August 1983
Sep64.8 mm (2.6 in)22 September 1986
Oct108.0 mm (4.3 in)28 October 1980
Nov78.7 mm (3.1 in)1 November 1986
Dec52.8 mm (2.1 in)14 December 1984

Period of Record Coverage

1980 to 1989
Days with data per year at Klawock 10 years of record at Klawock, 1980 to 1989. 10 years have data for under 90 percent of days and are left out of rankings: 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987 and others. 1980: 107 of 366 days1981: 232 of 365 days1982: 233 of 365 days1983: 286 of 365 days1984: 247 of 366 days1985: 147 of 365 days1986: 176 of 365 days1987: 192 of 365 days1988: 260 of 366 days1989: 19 of 365 days19801985
10 years of record at Klawock, 1980 to 1989. 10 years have data for under 90 percent of days and are left out of rankings: 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987 and others.
Days with data per year at Klawock
YearDays with dataShare of yearComplete
198010729%No
198123264%No
198223364%No
198328678%No
198424767%No
198514740%No
198617648%No
198719253%No
198826071%No
1989195%No

Latest Records

0

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

Extremes by Year

1929 to 1989
Yearly extremes at Klawock: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)27.8 C (82.0 F)198324.2 C (75.5 F)10
Coldest night (TNn)-16.1 C (3.0 F)1986-11.6 C (11.0 F)10
Wettest day (Rx1day)108.0 mm (4.3 in)198056.3 mm (2.2 in)14
Wettest five days (Rx5day)164.5 mm (6.5 in)1930127.5 mm (5.0 in)14
Longest dry spell (CDD)21 days198612 days14

Hottest day (TXx)

Hottest day (TXx) at Klawock by year The hottest day of the year at Klawock, 1929 to 1989. The record is 27.8 C (82.0 F) in 1983, marked on the chart; the median year is 24.2 C (75.5 F). 0102030193019401950196019701980Record: 27.8 C (82.0 F) in 1983
The hottest day of the year at Klawock, 1929 to 1989. The record is 27.8 C (82.0 F) in 1983, marked on the chart; the median year is 24.2 C (75.5 F).
Hottest day (TXx) at Klawock by year
YearHottest day (TXx)
1929n/a
1930n/a
1931n/a
1932n/a
198018.9 C (66.0 F)
198123.3 C (73.9 F)
198224.4 C (75.9 F)
198327.8 C (82.0 F)
198420.0 C (68.0 F)
198523.9 C (75.0 F)
198626.7 C (80.1 F)
198727.2 C (81.0 F)
198824.4 C (75.9 F)
19897.2 C (45.0 F)

Coldest night (TNn)

Coldest night (TNn) at Klawock by year The coldest night of the year at Klawock, 1929 to 1989. The record is -16.1 C (3.0 F) in 1986, marked on the chart; the median year is -11.6 C (11.0 F). -17.5-15-12.5-10-7.5-5193019401950196019701980Record: -16.1 C (3.0 F) in 1986
The coldest night of the year at Klawock, 1929 to 1989. The record is -16.1 C (3.0 F) in 1986, marked on the chart; the median year is -11.6 C (11.0 F).
Coldest night (TNn) at Klawock by year
YearColdest night (TNn)
1929n/a
1930n/a
1931n/a
1932n/a
1980-12.2 C (10.0 F)
1981-6.1 C (21.0 F)
1982-14.4 C (6.1 F)
1983-12.2 C (10.0 F)
1984-13.3 C (8.1 F)
1985-9.4 C (15.1 F)
1986-16.1 C (3.0 F)
1987-11.1 C (12.0 F)
1988-9.4 C (15.1 F)
1989-9.4 C (15.1 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Klawock by year The wettest day of the year at Klawock, 1929 to 1989. The record is 108.0 mm (4.3 in) in 1980, marked on the chart; the median year is 56.3 mm (2.2 in). 20406080100120193019401950196019701980Record: 108.0 mm (4.3 in) in 1980
The wettest day of the year at Klawock, 1929 to 1989. The record is 108.0 mm (4.3 in) in 1980, marked on the chart; the median year is 56.3 mm (2.2 in).
Wettest day (Rx1day) at Klawock by year
YearWettest day (Rx1day)
192971.4 mm (2.8 in)
193061.0 mm (2.4 in)
193153.3 mm (2.1 in)
193263.5 mm (2.5 in)
1980108.0 mm (4.3 in)
198173.7 mm (2.9 in)
198243.2 mm (1.7 in)
198350.8 mm (2.0 in)
198453.3 mm (2.1 in)
198555.9 mm (2.2 in)
198678.7 mm (3.1 in)
198756.6 mm (2.2 in)
198850.8 mm (2.0 in)
198936.8 mm (1.4 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Klawock by year The wettest five days of the year at Klawock, 1929 to 1989. The record is 164.5 mm (6.5 in) in 1930, marked on the chart; the median year is 127.5 mm (5.0 in). 50100150200193019401950196019701980Record: 164.5 mm (6.5 in) in 1930
The wettest five days of the year at Klawock, 1929 to 1989. The record is 164.5 mm (6.5 in) in 1930, marked on the chart; the median year is 127.5 mm (5.0 in).
Wettest five days (Rx5day) at Klawock by year
YearWettest five days (Rx5day)
1929122.4 mm (4.8 in)
1930164.5 mm (6.5 in)
193198.3 mm (3.9 in)
1932132.8 mm (5.2 in)
1980152.8 mm (6.0 in)
1981155.7 mm (6.1 in)
1982116.6 mm (4.6 in)
1983121.7 mm (4.8 in)
1984132.6 mm (5.2 in)
1985146.9 mm (5.8 in)
1986160.5 mm (6.3 in)
1987119.3 mm (4.7 in)
198892.7 mm (3.6 in)
198961.5 mm (2.4 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Klawock by year The longest dry spell of the year at Klawock, 1929 to 1989. The record is 21 days in 1986, marked on the chart; the median year is 12 days. 0510152025193019401950196019701980Record: 21 days in 1986
The longest dry spell of the year at Klawock, 1929 to 1989. The record is 21 days in 1986, marked on the chart; the median year is 12 days.
Longest dry spell (CDD) at Klawock by year
YearLongest dry spell (CDD)
192914 days
193019 days
193111 days
19328 days
19807 days
198113 days
198212 days
198315 days
198413 days
19856 days
198621 days
19876 days
19889 days
19894 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 Klawock standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Klawock 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 . Last revised (2025-12-31).