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Built 2026-10-19 (19 October 2026)

Stanley Threshold Days by Year (USC00108676)

14 fixed thresholds counted per year at Stanley (USC00108676): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Stanley Thresholds

  • Stanley: days with a maximum temperature at or below 0 C (32 F) in 44 years, most in 1985 with 97.
  • Stanley: days with a maximum temperature at or above 30 C (86 F) in 43 years, most in 2021 with 32.
  • Stanley: nights with a minimum temperature at or below 0 C (32 F) in 40 years, most in 2016 with 318.
  • Stanley: nights with a minimum temperature at or below -10 C (14 F) in 40 years, most in 2019 with 148.
  • 14 fixed thresholds have at least one qualifying day at Stanley.
43 years with a qualifying day
Days at or above 30 C (86 F) per year at Stanley Days per year at Stanley with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 32 in 2021. 0102030401919: 81920: 11922: 221926: 61964: 71971: 31981: 161982: 21983: 51984: 11985: 121986: 11987: 71988: 151989: 101991: 61994: 201995: 41997: 31999: 112000: 212001: 162002: 142004: 102005: 142006: 192007: 292011: 62012: 212013: 192014: 112015: 172016: 112017: 252018: 162019: 122020: 152021: 322022: 292023: 122024: 202025: 172026: 26191919711985199120002006201420192024
Days per year at Stanley with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 32 in 2021.
Days at or above 30 C (86 F) per year at Stanley
YearDaysDecade average
191988
192019.7
1922229.7
192669.7
196477
197133
1981167.7
198227.7
198357.7
198417.7
1985127.7
198617.7
198777.7
1988157.7
1989107.7
199168.8
1994208.8
199548.8
199738.8
1999118.8
20002117.6
20011617.6
20021417.6
20041017.6
20051417.6
20061917.6
20072917.6
2011615.3
20122115.3
20131915.3
20141115.3
20151715.3
20161115.3
20172515.3
20181615.3
20191215.3
20201521.6
20213221.6
20222921.6
20231221.6
20242021.6
20251721.6
20262621.6
First to last qualifying date each year at Stanley For each year, a bar from the first to the last day at Stanley meeting 30 C (86 F). 1919: 18 June 1919 to 24 August 19191920: 27 July 1920 to 27 July 19201922: 20 June 1922 to 24 September 19221926: 26 June 1926 to 24 August 19261964: 8 July 1964 to 27 July 19641971: 16 July 1971 to 10 August 19711981: 6 July 1981 to 18 September 19811982: 8 August 1982 to 22 August 19821983: 31 July 1983 to 9 August 19831984: 10 August 1984 to 10 August 19841985: 3 July 1985 to 26 August 19851986: 3 July 1986 to 3 July 19861987: 15 July 1987 to 3 September 19871988: 25 June 1988 to 5 September 19881989: 7 July 1989 to 8 August 19891991: 15 July 1991 to 31 August 19911994: 21 June 1994 to 20 August 19941995: 29 July 1995 to 2 September 19951997: 16 July 1997 to 4 August 19971999: 7 July 1999 to 27 August 19992000: 13 July 2000 to 15 September 20002001: 23 June 2001 to 28 August 20012002: 25 June 2002 to 25 July 20022004: 14 July 2004 to 16 August 20042005: 6 July 2005 to 22 August 20052006: 18 June 2006 to 8 August 20062007: 28 June 2007 to 4 September 20072011: 7 July 2011 to 27 August 20112012: 8 July 2012 to 18 August 20122013: 29 June 2013 to 20 August 20132014: 3 July 2014 to 12 August 20142015: 27 June 2015 to 27 August 20152016: 28 June 2016 to 2 September 20162017: 27 June 2017 to 7 September 20172018: 10 July 2018 to 16 August 20182019: 13 July 2019 to 7 September 20192020: 28 July 2020 to 6 September 20202021: 4 June 2021 to 10 September 20212022: 13 July 2022 to 8 September 20222023: 17 July 2023 to 18 August 20232024: 9 July 2024 to 20 August 20242025: 10 June 2025 to 3 September 20252026: 11 July 2026 to 27 August 202619191981198719972005201420202026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Stanley meeting 30 C (86 F).
First to last qualifying date each year at Stanley
YearFirst dateLast date
19191919-06-181919-08-24
19201920-07-271920-07-27
19221922-06-201922-09-24
19261926-06-261926-08-24
19641964-07-081964-07-27
19711971-07-161971-08-10
19811981-07-061981-09-18
19821982-08-081982-08-22
19831983-07-311983-08-09
19841984-08-101984-08-10
19851985-07-031985-08-26
19861986-07-031986-07-03
19871987-07-151987-09-03
19881988-06-251988-09-05
19891989-07-071989-08-08
19911991-07-151991-08-31
19941994-06-211994-08-20
19951995-07-291995-09-02
19971997-07-161997-08-04
19991999-07-071999-08-27
20002000-07-132000-09-15
20012001-06-232001-08-28
20022002-06-252002-07-25
20042004-07-142004-08-16
20052005-07-062005-08-22
20062006-06-182006-08-08
20072007-06-282007-09-04
20112011-07-072011-08-27
20122012-07-082012-08-18
20132013-06-292013-08-20
20142014-07-032014-08-12
20152015-06-272015-08-27
20162016-06-282016-09-02
20172017-06-272017-09-07
20182018-07-102018-08-16
20192019-07-132019-09-07
20202020-07-282020-09-06
20212021-06-042021-09-10
20222022-07-132022-09-08
20232023-07-172023-08-18
20242024-07-092024-08-20
20252025-06-102025-09-03
20262026-07-112026-08-27

Every Fixed Threshold

Fixed thresholds at Stanley
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4332202126
35 C (95 F): Days3320021
90 F (32.2 C): Days311120217
0 C (32 F): Ice days (max4497198534
0 C (32 F): Frost days (min403182016219
-10 C (14 F): Days with min40148201954
-20 C (-4 F): Days with min4092198521
-30 C (-22 F): Days with min402420224
-40 C (-40 F): Days with min12520172
10 mm (0.39 in): Days with 10 mm or more rain292319955
25 mm (0.98 in): Days with 25 mm or more rain9219642
50 mm (1.97 in): Days with 50 mm or more rain2119641
10 cm (3.9 in): Days with 10 cm or more snowfall341520162
25 cm (9.8 in): Days with 25 cm or more snowfall11320011

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1919.

Download the Data

  • Data for Stanley 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-17).