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Built 2026-10-19 (19 October 2026)

Mtn Lake Threshold Days by Year (USC00085973)

13 fixed thresholds counted per year at Mtn Lake (USC00085973): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mtn Lake Thresholds

  • Mtn Lake: days with 10 mm (0.39 in) or more of precipitation in 89 years, most in 2015 with 57.
  • Mtn Lake: days with 25 mm (0.98 in) or more of precipitation in 89 years, most in 2015 with 31.
  • Mtn Lake: nights with a minimum temperature at or above 20 C (68 F) in 87 years, most in 2003 with 220.
  • Mtn Lake: days with 50 mm (1.97 in) or more of precipitation in 87 years, most in 1986 with 10.
  • 13 fixed thresholds have at least one qualifying day at Mtn Lake.
86 years with a qualifying day
Days at or above 30 C (86 F) per year at Mtn Lake Days per year at Mtn Lake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 240 in 2015. 01002003001935: 2031936: 1751937: 1571938: 1681939: 1851940: 1411941: 1671942: 1771943: 1601944: 1951945: 2081946: 1891947: 1641948: 1851949: 1911950: 1751951: 1631952: 1641953: 1651954: 1591955: 1851956: 1681957: 1611958: 1651959: 1741960: 1461961: 1751962: 1871963: 1661964: 1641965: 1851966: 1561967: 1941968: 1851969: 1781970: 1991972: 2011973: 1871974: 2041975: 2181976: 1831978: 2011979: 1891980: 2101981: 1961982: 1601984: 1741985: 2111986: 2071987: 1791988: 1961989: 2241990: 2101991: 1871992: 1371993: 1471994: 1891995: 1731996: 1501997: 1441998: 1561999: 1562000: 1402001: 1412002: 1612003: 1952006: 2062007: 2002008: 1672009: 1962010: 1762011: 2112012: 2292013: 2132014: 1782015: 2402016: 2002017: 2052018: 2322019: 2232020: 2222022: 2382023: 2312024: 2032025: 2162026: 1561935194419531962197219821992200120122022
Days per year at Mtn Lake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 240 in 2015.
Days at or above 30 C (86 F) per year at Mtn Lake
YearDaysDecade average
1935203177.6
1936175177.6
1937157177.6
1938168177.6
1939185177.6
1940141177.7
1941167177.7
1942177177.7
1943160177.7
1944195177.7
1945208177.7
1946189177.7
1947164177.7
1948185177.7
1949191177.7
1950175167.9
1951163167.9
1952164167.9
1953165167.9
1954159167.9
1955185167.9
1956168167.9
1957161167.9
1958165167.9
1959174167.9
1960146173.6
1961175173.6
1962187173.6
1963166173.6
1964164173.6
1965185173.6
1966156173.6
1967194173.6
1968185173.6
1969178173.6
1970199197.8
1972201197.8
1973187197.8
1974204197.8
1975218197.8
1976183197.8
1978201197.8
1979189197.8
1980210195.2
1981196195.2
1982160195.2
1984174195.2
1985211195.2
1986207195.2
1987179195.2
1988196195.2
1989224195.2
1990210164.9
1991187164.9
1992137164.9
1993147164.9
1994189164.9
1995173164.9
1996150164.9
1997144164.9
1998156164.9
1999156164.9
2000140175.8
2001141175.8
2002161175.8
2003195175.8
2006206175.8
2007200175.8
2008167175.8
2009196175.8
2010176210.7
2011211210.7
2012229210.7
2013213210.7
2014178210.7
2015240210.7
2016200210.7
2017205210.7
2018232210.7
2019223210.7
2020222211
2022238211
2023231211
2024203211
2025216211
2026156211
First to last qualifying date each year at Mtn Lake For each year, a bar from the first to the last day at Mtn Lake meeting 30 C (86 F). 1935: 13 February 1935 to 11 November 19351936: 26 March 1936 to 9 November 19361937: 21 March 1937 to 20 October 19371938: 6 March 1938 to 17 November 19381939: 8 February 1939 to 30 October 19391940: 29 March 1940 to 17 December 19401941: 21 March 1941 to 23 November 19411942: 8 March 1942 to 6 December 19421943: 2 March 1943 to 8 November 19431944: 11 February 1944 to 10 October 19441945: 13 February 1945 to 25 October 19451946: 15 March 1946 to 26 November 19461947: 15 January 1947 to 23 November 19471948: 2 March 1948 to 27 November 19481949: 9 February 1949 to 31 October 19491950: 5 March 1950 to 3 November 19501951: 3 March 1951 to 15 November 19511952: 4 March 1952 to 10 November 19521953: 21 February 1953 to 26 October 19531954: 13 March 1954 to 28 October 19541955: 4 March 1955 to 4 December 19551956: 17 February 1956 to 21 November 19561957: 4 February 1957 to 29 November 19571958: 7 March 1958 to 28 November 19581959: 10 February 1959 to 6 November 19591960: 29 March 1960 to 18 November 19601961: 19 February 1961 to 4 November 19611962: 19 February 1962 to 22 October 19621963: 12 March 1963 to 28 October 19631964: 3 March 1964 to 28 November 19641965: 17 March 1965 to 22 October 19651966: 4 March 1966 to 10 November 19661967: 3 January 1967 to 26 November 19671968: 10 March 1968 to 2 December 19681969: 3 April 1969 to 23 October 19691970: 18 March 1970 to 14 November 19701972: 10 January 1972 to 6 December 19721973: 6 March 1973 to 28 November 19731974: 11 January 1974 to 24 November 19741975: 2 February 1975 to 9 November 19751976: 18 February 1976 to 28 November 19761978: 14 March 1978 to 9 December 19781979: 24 February 1979 to 24 December 19791980: 24 February 1980 to 15 November 19801981: 30 March 1981 to 29 October 19811982: 4 January 1982 to 31 December 19821984: 19 February 1984 to 20 November 19841985: 1 February 1985 to 2 December 19851986: 6 February 1986 to 10 December 19861987: 27 February 1987 to 8 November 19871988: 19 February 1988 to 31 December 19881989: 1 January 1989 to 15 November 19891990: 20 January 1990 to 20 December 19901991: 30 January 1991 to 14 October 19911992: 18 February 1992 to 5 November 19921993: 31 March 1993 to 23 October 19931994: 10 February 1994 to 31 October 19941995: 7 March 1995 to 29 October 19951996: 7 March 1996 to 7 November 19961997: 27 February 1997 to 27 October 19971998: 31 March 1998 to 13 October 19981999: 1 April 1999 to 21 October 19992000: 30 March 2000 to 8 October 20002001: 17 February 2001 to 25 October 20012002: 15 March 2002 to 12 November 20022003: 6 March 2003 to 7 November 20032006: 11 March 2006 to 30 November 20062007: 17 January 2007 to 28 October 20072008: 5 February 2008 to 14 November 20082009: 10 March 2009 to 9 December 20092010: 7 April 2010 to 1 November 20102011: 26 February 2011 to 25 December 20112012: 26 January 2012 to 5 November 20122013: 9 January 2013 to 24 December 20132014: 21 February 2014 to 29 October 20142015: 3 January 2015 to 30 December 20152016: 10 March 2016 to 17 December 20162017: 2 January 2017 to 10 November 20172018: 9 February 2018 to 3 December 20182019: 11 February 2019 to 7 November 20192020: 3 January 2020 to 1 November 20202022: 4 February 2022 to 9 December 20222023: 3 January 2023 to 4 December 20232024: 27 January 2024 to 16 November 20242025: 1 February 2025 to 6 December 20252026: 26 January 2026 to 31 August 202619351946195719681981199320062017JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mtn Lake meeting 30 C (86 F).
First to last qualifying date each year at Mtn Lake
YearFirst dateLast date
19351935-02-131935-11-11
19361936-03-261936-11-09
19371937-03-211937-10-20
19381938-03-061938-11-17
19391939-02-081939-10-30
19401940-03-291940-12-17
19411941-03-211941-11-23
19421942-03-081942-12-06
19431943-03-021943-11-08
19441944-02-111944-10-10
19451945-02-131945-10-25
19461946-03-151946-11-26
19471947-01-151947-11-23
19481948-03-021948-11-27
19491949-02-091949-10-31
19501950-03-051950-11-03
19511951-03-031951-11-15
19521952-03-041952-11-10
19531953-02-211953-10-26
19541954-03-131954-10-28
19551955-03-041955-12-04
19561956-02-171956-11-21
19571957-02-041957-11-29
19581958-03-071958-11-28
19591959-02-101959-11-06
19601960-03-291960-11-18
19611961-02-191961-11-04
19621962-02-191962-10-22
19631963-03-121963-10-28
19641964-03-031964-11-28
19651965-03-171965-10-22
19661966-03-041966-11-10
19671967-01-031967-11-26
19681968-03-101968-12-02
19691969-04-031969-10-23
19701970-03-181970-11-14
19721972-01-101972-12-06
19731973-03-061973-11-28
19741974-01-111974-11-24
19751975-02-021975-11-09
19761976-02-181976-11-28
19781978-03-141978-12-09
19791979-02-241979-12-24
19801980-02-241980-11-15
19811981-03-301981-10-29
19821982-01-041982-12-31
19841984-02-191984-11-20
19851985-02-011985-12-02
19861986-02-061986-12-10
19871987-02-271987-11-08
19881988-02-191988-12-31
19891989-01-011989-11-15
19901990-01-201990-12-20
19911991-01-301991-10-14
19921992-02-181992-11-05
19931993-03-311993-10-23
19941994-02-101994-10-31
19951995-03-071995-10-29
19961996-03-071996-11-07
19971997-02-271997-10-27
19981998-03-311998-10-13
19991999-04-011999-10-21
20002000-03-302000-10-08
20012001-02-172001-10-25
20022002-03-152002-11-12
20032003-03-062003-11-07
20062006-03-112006-11-30
20072007-01-172007-10-28
20082008-02-052008-11-14
20092009-03-102009-12-09
20102010-04-072010-11-01
20112011-02-262011-12-25
20122012-01-262012-11-05
20132013-01-092013-12-24
20142014-02-212014-10-29
20152015-01-032015-12-30
20162016-03-102016-12-17
20172017-01-022017-11-10
20182018-02-092018-12-03
20192019-02-112019-11-07
20202020-01-032020-11-01
20222022-02-042022-12-09
20232023-01-032023-12-04
20242024-01-272024-11-16
20252025-02-012025-12-06
20262026-01-262026-08-31

Every Fixed Threshold

Fixed thresholds at Mtn Lake
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days862402015156
35 C (95 F): Days8591201796
40 C (104 F): Days1119881
90 F (32.2 C): Days861752022129
100 F (37.8 C): Days169202331
0 C (32 F): Frost days (min7820201011
20 C (68 F): Tropical nights (min872202003118
25 C (77 F): Days with min4864200320
10 mm (0.39 in): Days with 10 mm or more rain8957201519
25 mm (0.98 in): Days with 25 mm or more rain893120157
50 mm (1.97 in): Days with 50 mm or more rain871019861
100 mm (3.94 in): Days with 100 mm or more rain30219471
200 mm (7.87 in): Days with 200 mm or more rain2119451

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1935.

Download the Data

  • Data for Mtn Lake 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).