Built 2026-10-19 (19 October 2026)

Laporte Threshold Days by Year (USC00124837)

19 fixed thresholds counted per year at Laporte (USC00124837): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Laporte Thresholds

  • Laporte: days with 10 mm (0.39 in) or more of precipitation in 80 years, most in 1959 with 48.
  • Laporte: days with 25 mm (0.98 in) or more of precipitation in 80 years, most in 1954 with 18.
  • Laporte: nights with a minimum temperature at or below 0 C (32 F) in 79 years, most in 1962 with 153.
  • Laporte: nights with a minimum temperature at or below -10 C (14 F) in 79 years, most in 2014 with 61.
  • 19 fixed thresholds have at least one qualifying day at Laporte.
78 years with a qualifying day
Days at or above 30 C (86 F) per year at Laporte Days per year at Laporte with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 68 in 1900. 0204060801898: 521900: 681949: 541950: 321951: 271952: 521953: 661954: 441955: 671956: 591957: 371958: 231959: 641960: 431961: 361962: 411963: 421964: 511965: 341966: 491967: 261968: 431969: 451970: 421971: 391972: 331973: 211974: 321975: 441976: 331977: 471978: 371979: 231980: 371981: 141982: 171983: 581984: 341985: 191986: 251987: 431988: 541989: 171990: 191991: 461992: 111993: 221994: 231995: 371996: 191997: 221998: 321999: 362000: 172001: 282002: 482004: 152005: 432007: 422008: 192009: 132010: 372011: 352012: 482013: 192014: 82015: 202016: 372017: 272018: 422019: 282020: 402021: 392022: 262023: 272024: 382025: 402026: 271898195519631971197919871995200420132021
Days per year at Laporte with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 68 in 1900.
Days at or above 30 C (86 F) per year at Laporte
YearDaysDecade average
18985252
19006868
19495454
19503247.1
19512747.1
19525247.1
19536647.1
19544447.1
19556747.1
19565947.1
19573747.1
19582347.1
19596447.1
19604341
19613641
19624141
19634241
19645141
19653441
19664941
19672641
19684341
19694541
19704235.1
19713935.1
19723335.1
19732135.1
19743235.1
19754435.1
19763335.1
19774735.1
19783735.1
19792335.1
19803731.8
19811431.8
19821731.8
19835831.8
19843431.8
19851931.8
19862531.8
19874331.8
19885431.8
19891731.8
19901926.7
19914626.7
19921126.7
19932226.7
19942326.7
19953726.7
19961926.7
19972226.7
19983226.7
19993626.7
20001728.1
20012828.1
20024828.1
20041528.1
20054328.1
20074228.1
20081928.1
20091328.1
20103730.1
20113530.1
20124830.1
20131930.1
2014830.1
20152030.1
20163730.1
20172730.1
20184230.1
20192830.1
20204033.9
20213933.9
20222633.9
20232733.9
20243833.9
20254033.9
20262733.9
First to last qualifying date each year at Laporte For each year, a bar from the first to the last day at Laporte meeting 30 C (86 F). 1898: 4 June 1898 to 22 September 18981900: 1 May 1900 to 5 October 19001949: 4 May 1949 to 9 October 19491950: 24 May 1950 to 31 October 19501951: 1 May 1951 to 4 October 19511952: 4 May 1952 to 1 October 19521953: 29 May 1953 to 21 October 19531954: 24 May 1954 to 27 September 19541955: 3 May 1955 to 19 September 19551956: 12 May 1956 to 16 October 19561957: 16 June 1957 to 19 September 19571958: 14 May 1958 to 31 August 19581959: 2 May 1959 to 23 September 19591960: 23 April 1960 to 9 September 19601961: 5 June 1961 to 22 September 19611962: 26 April 1962 to 14 October 19621963: 8 May 1963 to 16 October 19631964: 7 May 1964 to 21 September 19641965: 1 May 1965 to 18 October 19651966: 27 May 1966 to 13 September 19661967: 25 May 1967 to 4 October 19671968: 5 June 1968 to 3 September 19681969: 6 May 1969 to 3 September 19691970: 20 May 1970 to 22 September 19701971: 17 May 1971 to 2 October 19711972: 23 May 1972 to 17 September 19721973: 9 June 1973 to 4 September 19731974: 20 June 1974 to 11 September 19741975: 18 May 1975 to 3 September 19751976: 8 June 1976 to 8 September 19761977: 18 April 1977 to 31 August 19771978: 26 May 1978 to 20 September 19781979: 8 May 1979 to 30 August 19791980: 22 April 1980 to 22 September 19801981: 14 June 1981 to 13 August 19811982: 11 May 1982 to 11 September 19821983: 11 June 1983 to 19 September 19831984: 18 May 1984 to 2 September 19841985: 12 May 1985 to 20 September 19851986: 25 April 1986 to 26 September 19861987: 10 May 1987 to 6 September 19871988: 22 May 1988 to 17 September 19881989: 30 May 1989 to 16 October 19891990: 25 April 1990 to 6 September 19901991: 11 May 1991 to 15 September 19911992: 1 May 1992 to 25 August 19921993: 9 May 1993 to 30 August 19931994: 26 April 1994 to 15 September 19941995: 7 June 1995 to 6 September 19951996: 18 May 1996 to 22 August 19961997: 19 June 1997 to 5 October 19971998: 14 May 1998 to 26 September 19981999: 5 June 1999 to 26 September 19992000: 8 May 2000 to 19 September 20002001: 15 May 2001 to 8 September 20012002: 15 April 2002 to 14 September 20022004: 18 April 2004 to 27 August 20042005: 5 June 2005 to 22 September 20052007: 14 May 2007 to 8 October 20072008: 5 June 2008 to 2 September 20082009: 19 June 2009 to 25 August 20092010: 23 May 2010 to 23 September 20102011: 11 May 2011 to 3 September 20112012: 19 May 2012 to 31 August 20122013: 19 May 2013 to 11 September 20132014: 8 May 2014 to 26 August 20142015: 10 June 2015 to 8 September 20152016: 24 May 2016 to 19 September 20162017: 16 May 2017 to 26 September 20172018: 2 May 2018 to 8 October 20182019: 26 June 2019 to 1 October 20192020: 24 May 2020 to 28 August 20202021: 22 May 2021 to 19 September 20212022: 10 May 2022 to 3 September 20222023: 30 May 2023 to 3 October 20232024: 20 May 2024 to 21 September 20242025: 15 May 2025 to 4 October 20252026: 9 June 2026 to 12 October 202618981957196719771987199720092019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Laporte meeting 30 C (86 F).
First to last qualifying date each year at Laporte
YearFirst dateLast date
18981898-06-041898-09-22
19001900-05-011900-10-05
19491949-05-041949-10-09
19501950-05-241950-10-31
19511951-05-011951-10-04
19521952-05-041952-10-01
19531953-05-291953-10-21
19541954-05-241954-09-27
19551955-05-031955-09-19
19561956-05-121956-10-16
19571957-06-161957-09-19
19581958-05-141958-08-31
19591959-05-021959-09-23
19601960-04-231960-09-09
19611961-06-051961-09-22
19621962-04-261962-10-14
19631963-05-081963-10-16
19641964-05-071964-09-21
19651965-05-011965-10-18
19661966-05-271966-09-13
19671967-05-251967-10-04
19681968-06-051968-09-03
19691969-05-061969-09-03
19701970-05-201970-09-22
19711971-05-171971-10-02
19721972-05-231972-09-17
19731973-06-091973-09-04
19741974-06-201974-09-11
19751975-05-181975-09-03
19761976-06-081976-09-08
19771977-04-181977-08-31
19781978-05-261978-09-20
19791979-05-081979-08-30
19801980-04-221980-09-22
19811981-06-141981-08-13
19821982-05-111982-09-11
19831983-06-111983-09-19
19841984-05-181984-09-02
19851985-05-121985-09-20
19861986-04-251986-09-26
19871987-05-101987-09-06
19881988-05-221988-09-17
19891989-05-301989-10-16
19901990-04-251990-09-06
19911991-05-111991-09-15
19921992-05-011992-08-25
19931993-05-091993-08-30
19941994-04-261994-09-15
19951995-06-071995-09-06
19961996-05-181996-08-22
19971997-06-191997-10-05
19981998-05-141998-09-26
19991999-06-051999-09-26
20002000-05-082000-09-19
20012001-05-152001-09-08
20022002-04-152002-09-14
20042004-04-182004-08-27
20052005-06-052005-09-22
20072007-05-142007-10-08
20082008-06-052008-09-02
20092009-06-192009-08-25
20102010-05-232010-09-23
20112011-05-112011-09-03
20122012-05-192012-08-31
20132013-05-192013-09-11
20142014-05-082014-08-26
20152015-06-102015-09-08
20162016-05-242016-09-19
20172017-05-162017-09-26
20182018-05-022018-10-08
20192019-06-262019-10-01
20202020-05-242020-08-28
20212021-05-222021-09-19
20222022-05-102022-09-03
20232023-05-302023-10-03
20242024-05-202024-09-21
20252025-05-152025-10-04
20262026-06-092026-10-12

Every Fixed Threshold

Fixed thresholds at Laporte
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days7868190027
35 C (95 F): Days442019001
40 C (104 F): Days1119531
90 F (32.2 C): Days7748190012
100 F (37.8 C): Days13619001
0 C (32 F): Ice days (max7882201431
0 C (32 F): Frost days (min79153196272
-10 C (14 F): Days with min7961201418
-20 C (-4 F): Days with min632219631
-30 C (-22 F): Days with min6119511
20 C (68 F): Tropical nights (min7950199529
25 C (77 F): Days with min11318981
10 mm (0.39 in): Days with 10 mm or more rain8048195936
25 mm (0.98 in): Days with 25 mm or more rain8018195414
50 mm (1.97 in): Days with 50 mm or more rain63919546
100 mm (3.94 in): Days with 100 mm or more rain10219581
10 cm (3.9 in): Days with 10 cm or more snowfall721519605
25 cm (9.8 in): Days with 25 cm or more snowfall23319582
50 cm (19.7 in): Days with 50 cm or more snowfall1120241

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1898.

Download the Data

  • Data for Laporte 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).