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Built 2026-10-19 (19 October 2026)

Lyons Threshold Days by Year (USC00255050)

6 fixed thresholds counted per year at Lyons (USC00255050): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lyons Thresholds

  • Lyons: days with 10 mm (0.39 in) or more of precipitation in 83 years, most in 1986 with 36.
  • Lyons: days with 25 mm (0.98 in) or more of precipitation in 83 years, most in 1982 with 14.
  • Lyons: days with 10 cm (3.9 in) or more of snowfall in 62 years, most in 1948 with 7.
  • Lyons: days with 50 mm (1.97 in) or more of precipitation in 60 years, most in 2007 with 6.
  • 6 fixed thresholds have at least one qualifying day at Lyons.
83 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Lyons Days per year at Lyons with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1986. 0102030401896: 311897: 211899: 261900: 281902: 291903: 351946: 261948: 231949: 131950: 171951: 291952: 261953: 191954: 241955: 161956: 191957: 341958: 191959: 321960: 271961: 271962: 231963: 201964: 261965: 291966: 211967: 201968: 231969: 161970: 261971: 251972: 251973: 251974: 211975: 201976: 111977: 291978: 231979: 271980: 151981: 201982: 311983: 281984: 351985: 231986: 361988: 181989: 151990: 221991: 291992: 241993: 261994: 291995: 221996: 241997: 261998: 291999: 242000: 172001: 252002: 162003: 222004: 332005: 272006: 262007: 352008: 322009: 222011: 212012: 222013: 272014: 252015: 312016: 282017: 292018: 312019: 282020: 152021: 332022: 142023: 262024: 272026: 121896195019591968197719861996200520152024
Days per year at Lyons with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1986.
Days with 10 mm (0.39 in) or more of precipitation per year at Lyons
YearDaysDecade average
18963126
18972126
18992626
19002830.7
19022930.7
19033530.7
19462620.7
19482320.7
19491320.7
19501723.5
19512923.5
19522623.5
19531923.5
19542423.5
19551623.5
19561923.5
19573423.5
19581923.5
19593223.5
19602723.2
19612723.2
19622323.2
19632023.2
19642623.2
19652923.2
19662123.2
19672023.2
19682323.2
19691623.2
19702623.2
19712523.2
19722523.2
19732523.2
19742123.2
19752023.2
19761123.2
19772923.2
19782323.2
19792723.2
19801524.6
19812024.6
19823124.6
19832824.6
19843524.6
19852324.6
19863624.6
19881824.6
19891524.6
19902225.5
19912925.5
19922425.5
19932625.5
19942925.5
19952225.5
19962425.5
19972625.5
19982925.5
19992425.5
20001725.5
20012525.5
20021625.5
20032225.5
20043325.5
20052725.5
20062625.5
20073525.5
20083225.5
20092225.5
20112126.9
20122226.9
20132726.9
20142526.9
20153126.9
20162826.9
20172926.9
20183126.9
20192826.9
20201521.2
20213321.2
20221421.2
20232621.2
20242721.2
20261221.2
First to last qualifying date each year at Lyons For each year, a bar from the first to the last day at Lyons meeting 10 mm (0.39 in). 1896: 22 March 1896 to 26 November 18961897: 5 January 1897 to 20 December 18971899: 26 February 1899 to 9 December 18991900: 7 February 1900 to 27 October 19001902: 25 January 1902 to 20 December 19021903: 3 February 1903 to 3 November 19031946: 6 March 1946 to 16 November 19461948: 27 February 1948 to 21 November 19481949: 4 January 1949 to 10 October 19491950: 13 February 1950 to 2 October 19501951: 25 February 1951 to 25 November 19511952: 19 January 1952 to 13 September 19521953: 19 February 1953 to 3 December 19531954: 19 February 1954 to 25 October 19541955: 20 March 1955 to 3 December 19551956: 2 April 1956 to 4 November 19561957: 17 March 1957 to 18 November 19571958: 26 February 1958 to 17 November 19581959: 4 March 1959 to 27 December 19591960: 14 January 1960 to 29 October 19601961: 17 February 1961 to 11 December 19611962: 17 February 1962 to 9 September 19621963: 18 March 1963 to 23 September 19631964: 19 March 1964 to 19 September 19641965: 9 February 1965 to 18 October 19651966: 8 February 1966 to 14 October 19661967: 8 April 1967 to 29 October 19671968: 26 March 1968 to 22 December 19681969: 14 February 1969 to 15 October 19691970: 19 March 1970 to 18 November 19701971: 3 January 1971 to 29 December 19711972: 21 March 1972 to 30 December 19721973: 13 March 1973 to 20 November 19731974: 3 April 1974 to 14 December 19741975: 10 January 1975 to 14 December 19751976: 4 March 1976 to 30 July 19761977: 2 March 1977 to 17 December 19771978: 13 February 1978 to 3 December 19781979: 19 January 1979 to 22 November 19791980: 16 January 1980 to 28 October 19801981: 29 March 1981 to 1 December 19811982: 23 January 1982 to 28 December 19821983: 5 March 1983 to 28 November 19831984: 16 February 1984 to 16 December 19841985: 4 March 1985 to 18 November 19851986: 5 February 1986 to 8 November 19861988: 2 April 1988 to 20 December 19881989: 29 January 1989 to 8 December 19891990: 7 March 1990 to 6 November 19901991: 5 January 1991 to 12 December 19911992: 15 February 1992 to 19 November 19921993: 21 February 1993 to 14 December 19931994: 26 January 1994 to 7 December 19941995: 3 February 1995 to 23 October 19951996: 18 January 1996 to 30 November 19961997: 4 February 1997 to 21 December 19971998: 4 January 1998 to 10 November 19981999: 5 April 1999 to 23 November 19992000: 8 March 2000 to 18 December 20002001: 30 January 2001 to 21 December 20012002: 10 February 2002 to 17 October 20022003: 16 January 2003 to 3 November 20032004: 26 January 2004 to 29 November 20042005: 4 January 2005 to 1 December 20052006: 9 March 2006 to 31 December 20062007: 15 January 2007 to 2 December 20072008: 26 February 2008 to 19 December 20082009: 25 January 2009 to 24 December 20092011: 10 January 2011 to 4 September 20112012: 5 February 2012 to 20 December 20122013: 22 February 2013 to 6 November 20132014: 14 April 2014 to 23 October 20142015: 1 February 2015 to 14 December 20152016: 8 January 2016 to 28 November 20162017: 24 February 2017 to 10 October 20172018: 23 January 2018 to 27 December 20182019: 20 February 2019 to 29 December 20192020: 9 March 2020 to 11 November 20202021: 7 January 2021 to 28 October 20212022: 22 March 2022 to 13 December 20222023: 3 January 2023 to 25 December 20232024: 9 January 2024 to 31 December 20242026: 21 June 2026 to 1 October 202618961952196319741985199720082020JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lyons meeting 10 mm (0.39 in).
First to last qualifying date each year at Lyons
YearFirst dateLast date
18961896-03-221896-11-26
18971897-01-051897-12-20
18991899-02-261899-12-09
19001900-02-071900-10-27
19021902-01-251902-12-20
19031903-02-031903-11-03
19461946-03-061946-11-16
19481948-02-271948-11-21
19491949-01-041949-10-10
19501950-02-131950-10-02
19511951-02-251951-11-25
19521952-01-191952-09-13
19531953-02-191953-12-03
19541954-02-191954-10-25
19551955-03-201955-12-03
19561956-04-021956-11-04
19571957-03-171957-11-18
19581958-02-261958-11-17
19591959-03-041959-12-27
19601960-01-141960-10-29
19611961-02-171961-12-11
19621962-02-171962-09-09
19631963-03-181963-09-23
19641964-03-191964-09-19
19651965-02-091965-10-18
19661966-02-081966-10-14
19671967-04-081967-10-29
19681968-03-261968-12-22
19691969-02-141969-10-15
19701970-03-191970-11-18
19711971-01-031971-12-29
19721972-03-211972-12-30
19731973-03-131973-11-20
19741974-04-031974-12-14
19751975-01-101975-12-14
19761976-03-041976-07-30
19771977-03-021977-12-17
19781978-02-131978-12-03
19791979-01-191979-11-22
19801980-01-161980-10-28
19811981-03-291981-12-01
19821982-01-231982-12-28
19831983-03-051983-11-28
19841984-02-161984-12-16
19851985-03-041985-11-18
19861986-02-051986-11-08
19881988-04-021988-12-20
19891989-01-291989-12-08
19901990-03-071990-11-06
19911991-01-051991-12-12
19921992-02-151992-11-19
19931993-02-211993-12-14
19941994-01-261994-12-07
19951995-02-031995-10-23
19961996-01-181996-11-30
19971997-02-041997-12-21
19981998-01-041998-11-10
19991999-04-051999-11-23
20002000-03-082000-12-18
20012001-01-302001-12-21
20022002-02-102002-10-17
20032003-01-162003-11-03
20042004-01-262004-11-29
20052005-01-042005-12-01
20062006-03-092006-12-31
20072007-01-152007-12-02
20082008-02-262008-12-19
20092009-01-252009-12-24
20112011-01-102011-09-04
20122012-02-052012-12-20
20132013-02-222013-11-06
20142014-04-142014-10-23
20152015-02-012015-12-14
20162016-01-082016-11-28
20172017-02-242017-10-10
20182018-01-232018-12-27
20192019-02-202019-12-29
20202020-03-092020-11-11
20212021-01-072021-10-28
20222022-03-222022-12-13
20232023-01-032023-12-25
20242024-01-092024-12-31
20262026-06-212026-10-01

Every Fixed Threshold

Fixed thresholds at Lyons
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain8336198612
25 mm (0.98 in): Days with 25 mm or more rain831419822
50 mm (1.97 in): Days with 50 mm or more rain60620071
100 mm (3.94 in): Days with 100 mm or more rain7119661
10 cm (3.9 in): Days with 10 cm or more snowfall62719482
25 cm (9.8 in): Days with 25 cm or more snowfall8219831

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.

Download the Data

  • Data for Lyons 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).