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Built 2026-10-19 (19 October 2026)

Dubuque L&D 11 Threshold Days by Year (USC00132364)

19 fixed thresholds counted per year at Dubuque L&D 11 (USC00132364): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dubuque L&D 11 Thresholds

  • Dubuque L&D 11: days with a maximum temperature at or above 30 C (86 F) in 86 years, most in 1988 with 72.
  • Dubuque L&D 11: days with a maximum temperature at or below 0 C (32 F) in 86 years, most in 2014 with 81.
  • Dubuque L&D 11: days with 10 mm (0.39 in) or more of precipitation in 85 years, most in 2019 with 42.
  • Dubuque L&D 11: days with 25 mm (0.98 in) or more of precipitation in 85 years, most in 1959 with 14.
  • 19 fixed thresholds have at least one qualifying day at Dubuque L&D 11.
86 years with a qualifying day
Days at or above 30 C (86 F) per year at Dubuque L&D 11 Days per year at Dubuque L&D 11 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 72 in 1988. 0204060801941: 471942: 251943: 391944: 301945: 271946: 241947: 411948: 341949: 251950: 61951: 31952: 331953: 331954: 351955: 531956: 281957: 261958: 161959: 321960: 251961: 181962: 121963: 401964: 381965: 191966: 341967: 161968: 281969: 251970: 341971: 361972: 341973: 291974: 191975: 421976: 371977: 261978: 381979: 91980: 421981: 271982: 241983: 401984: 451985: 431986: 301987: 551988: 721989: 381990: 421991: 611992: 221993: 211994: 331995: 551996: 261997: 261998: 391999: 402000: 252001: 522002: 532003: 412004: 272005: 602006: 382007: 672008: 202009: 102010: 462011: 512012: 662013: 372014: 152015: 212016: 372017: 312018: 472019: 332020: 382021: 472022: 382023: 392024: 322025: 572026: 461941195019591968197719861995200420132022
Days per year at Dubuque L&D 11 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 72 in 1988.
Days at or above 30 C (86 F) per year at Dubuque L&D 11
YearDaysDecade average
19414732.4
19422532.4
19433932.4
19443032.4
19452732.4
19462432.4
19474132.4
19483432.4
19492532.4
1950626.5
1951326.5
19523326.5
19533326.5
19543526.5
19555326.5
19562826.5
19572626.5
19581626.5
19593226.5
19602525.5
19611825.5
19621225.5
19634025.5
19643825.5
19651925.5
19663425.5
19671625.5
19682825.5
19692525.5
19703430.4
19713630.4
19723430.4
19732930.4
19741930.4
19754230.4
19763730.4
19772630.4
19783830.4
1979930.4
19804241.6
19812741.6
19822441.6
19834041.6
19844541.6
19854341.6
19863041.6
19875541.6
19887241.6
19893841.6
19904236.5
19916136.5
19922236.5
19932136.5
19943336.5
19955536.5
19962636.5
19972636.5
19983936.5
19994036.5
20002539.3
20015239.3
20025339.3
20034139.3
20042739.3
20056039.3
20063839.3
20076739.3
20082039.3
20091039.3
20104638.4
20115138.4
20126638.4
20133738.4
20141538.4
20152138.4
20163738.4
20173138.4
20184738.4
20193338.4
20203842.4
20214742.4
20223842.4
20233942.4
20243242.4
20255742.4
20264642.4
First to last qualifying date each year at Dubuque L&D 11 For each year, a bar from the first to the last day at Dubuque L&D 11 meeting 30 C (86 F). 1941: 15 May 1941 to 22 September 19411942: 29 May 1942 to 11 September 19421943: 28 May 1943 to 31 August 19431944: 15 May 1944 to 15 August 19441945: 23 June 1945 to 7 September 19451946: 10 June 1946 to 16 August 19461947: 9 June 1947 to 19 September 19471948: 2 June 1948 to 19 September 19481949: 5 May 1949 to 18 September 19491950: 25 June 1950 to 25 August 19501951: 17 June 1951 to 27 July 19511952: 29 April 1952 to 28 September 19521953: 29 May 1953 to 2 October 19531954: 11 June 1954 to 6 September 19541955: 20 June 1955 to 18 September 19551956: 22 May 1956 to 3 September 19561957: 14 June 1957 to 1 September 19571958: 29 June 1958 to 30 August 19581959: 2 May 1959 to 8 September 19591960: 18 July 1960 to 8 September 19601961: 31 May 1961 to 10 September 19611962: 16 May 1962 to 12 September 19621963: 8 May 1963 to 6 October 19631964: 18 May 1964 to 9 September 19641965: 25 May 1965 to 9 September 19651966: 26 May 1966 to 2 September 19661967: 18 May 1967 to 3 August 19671968: 5 June 1968 to 24 August 19681969: 27 May 1969 to 31 August 19691970: 29 April 1970 to 7 September 19701971: 17 May 1971 to 1 October 19711972: 18 May 1972 to 16 September 19721973: 8 June 1973 to 1 September 19731974: 20 June 1974 to 26 August 19741975: 18 May 1975 to 13 October 19751976: 4 June 1976 to 8 September 19761977: 15 May 1977 to 27 August 19771978: 25 May 1978 to 19 September 19781979: 2 July 1979 to 12 September 19791980: 21 April 1980 to 8 September 19801981: 6 June 1981 to 11 September 19811982: 28 June 1982 to 11 September 19821983: 11 June 1983 to 9 September 19831984: 17 May 1984 to 25 September 19841985: 18 April 1985 to 19 September 19851986: 29 March 1986 to 26 September 19861987: 20 April 1987 to 22 August 19871988: 21 May 1988 to 18 September 19881989: 24 May 1989 to 11 October 19891990: 24 April 1990 to 5 October 19901991: 6 April 1991 to 10 September 19911992: 1 May 1992 to 25 August 19921993: 22 June 1993 to 27 August 19931994: 19 April 1994 to 16 September 19941995: 8 June 1995 to 6 September 19951996: 18 May 1996 to 7 September 19961997: 11 June 1997 to 8 October 19971998: 15 May 1998 to 27 September 19981999: 29 May 1999 to 5 September 19992000: 2 June 2000 to 19 September 20002001: 15 May 2001 to 4 September 20012002: 16 April 2002 to 10 September 20022003: 15 April 2003 to 10 September 20032004: 17 April 2004 to 22 September 20042005: 3 June 2005 to 6 October 20052006: 29 May 2006 to 4 October 20062007: 23 April 2007 to 8 October 20072008: 6 June 2008 to 3 September 20082009: 25 April 2009 to 17 August 20092010: 24 May 2010 to 10 October 20102011: 11 May 2011 to 13 September 20112012: 16 May 2012 to 13 September 20122013: 1 May 2013 to 20 September 20132014: 31 May 2014 to 5 September 20142015: 10 June 2015 to 8 September 20152016: 7 May 2016 to 20 September 20162017: 17 May 2017 to 26 September 20172018: 25 May 2018 to 4 October 20182019: 7 June 2019 to 1 October 20192020: 26 May 2020 to 29 August 20202021: 2 May 2021 to 30 September 20212022: 11 May 2022 to 21 September 20222023: 31 May 2023 to 3 October 20232024: 19 May 2024 to 22 September 20242025: 13 May 2025 to 4 October 20252026: 25 May 2026 to 13 October 202619411952196319741985199620072018JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Dubuque L&D 11 meeting 30 C (86 F).
First to last qualifying date each year at Dubuque L&D 11
YearFirst dateLast date
19411941-05-151941-09-22
19421942-05-291942-09-11
19431943-05-281943-08-31
19441944-05-151944-08-15
19451945-06-231945-09-07
19461946-06-101946-08-16
19471947-06-091947-09-19
19481948-06-021948-09-19
19491949-05-051949-09-18
19501950-06-251950-08-25
19511951-06-171951-07-27
19521952-04-291952-09-28
19531953-05-291953-10-02
19541954-06-111954-09-06
19551955-06-201955-09-18
19561956-05-221956-09-03
19571957-06-141957-09-01
19581958-06-291958-08-30
19591959-05-021959-09-08
19601960-07-181960-09-08
19611961-05-311961-09-10
19621962-05-161962-09-12
19631963-05-081963-10-06
19641964-05-181964-09-09
19651965-05-251965-09-09
19661966-05-261966-09-02
19671967-05-181967-08-03
19681968-06-051968-08-24
19691969-05-271969-08-31
19701970-04-291970-09-07
19711971-05-171971-10-01
19721972-05-181972-09-16
19731973-06-081973-09-01
19741974-06-201974-08-26
19751975-05-181975-10-13
19761976-06-041976-09-08
19771977-05-151977-08-27
19781978-05-251978-09-19
19791979-07-021979-09-12
19801980-04-211980-09-08
19811981-06-061981-09-11
19821982-06-281982-09-11
19831983-06-111983-09-09
19841984-05-171984-09-25
19851985-04-181985-09-19
19861986-03-291986-09-26
19871987-04-201987-08-22
19881988-05-211988-09-18
19891989-05-241989-10-11
19901990-04-241990-10-05
19911991-04-061991-09-10
19921992-05-011992-08-25
19931993-06-221993-08-27
19941994-04-191994-09-16
19951995-06-081995-09-06
19961996-05-181996-09-07
19971997-06-111997-10-08
19981998-05-151998-09-27
19991999-05-291999-09-05
20002000-06-022000-09-19
20012001-05-152001-09-04
20022002-04-162002-09-10
20032003-04-152003-09-10
20042004-04-172004-09-22
20052005-06-032005-10-06
20062006-05-292006-10-04
20072007-04-232007-10-08
20082008-06-062008-09-03
20092009-04-252009-08-17
20102010-05-242010-10-10
20112011-05-112011-09-13
20122012-05-162012-09-13
20132013-05-012013-09-20
20142014-05-312014-09-05
20152015-06-102015-09-08
20162016-05-072016-09-20
20172017-05-172017-09-26
20182018-05-252018-10-04
20192019-06-072019-10-01
20202020-05-262020-08-29
20212021-05-022021-09-30
20222022-05-112022-09-21
20232023-05-312023-10-03
20242024-05-192024-09-22
20252025-05-132025-10-04
20262026-05-252026-10-13

Every Fixed Threshold

Fixed thresholds at Dubuque L&D 11
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days8672198846
35 C (95 F): Days542619882
40 C (104 F): Days2119881
90 F (32.2 C): Days8450198818
100 F (37.8 C): Days101019881
0 C (32 F): Ice days (max8681201431
0 C (32 F): Frost days (min84164201877
-10 C (14 F): Days with min8478197831
-20 C (-4 F): Days with min843419787
-30 C (-22 F): Days with min22619961
20 C (68 F): Tropical nights (min8448195528
25 C (77 F): Days with min311219882
10 mm (0.39 in): Days with 10 mm or more rain8542201936
25 mm (0.98 in): Days with 25 mm or more rain8514195910
50 mm (1.97 in): Days with 50 mm or more rain68420034
100 mm (3.94 in): Days with 100 mm or more rain7219721
200 mm (7.87 in): Days with 200 mm or more rain1120111
10 cm (3.9 in): Days with 10 cm or more snowfall76720001
25 cm (9.8 in): Days with 25 cm or more snowfall11119411

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.

Download the Data

  • Data for Dubuque L&D 11 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).