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Built 2026-10-19 (19 October 2026)

Trempealeau Dam 6 Threshold Days by Year (USC00478589)

19 fixed thresholds counted per year at Trempealeau Dam 6 (USC00478589): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Trempealeau Dam 6 Thresholds

  • Trempealeau Dam 6: days with 10 mm (0.39 in) or more of precipitation in 85 years, most in 1968 with 43.
  • Trempealeau Dam 6: days with 25 mm (0.98 in) or more of precipitation in 85 years, most in 2019 with 14.
  • Trempealeau Dam 6: days with a maximum temperature at or above 30 C (86 F) in 81 years, most in 1937 with 82.
  • Trempealeau Dam 6: days with a maximum temperature at or below 0 C (32 F) in 81 years, most in 1978 with 90.
  • 19 fixed thresholds have at least one qualifying day at Trempealeau Dam 6.
81 years with a qualifying day
Days at or above 30 C (86 F) per year at Trempealeau Dam 6 Days per year at Trempealeau Dam 6 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 82 in 1937. 02550751001937: 821938: 581939: 701940: 441941: 401942: 221943: 491950: 171951: 111953: 291955: 431956: 281957: 251958: 201959: 341960: 221961: 291962: 111963: 361964: 381965: 191966: 351967: 151968: 281969: 231970: 391971: 291972: 271973: 281974: 221975: 411976: 421977: 301978: 261979: 141980: 331981: 201982: 231983: 501984: 231985: 291986: 191987: 381988: 531989: 271990: 61991: 241992: 61993: 61994: 141995: 361996: 111997: 151998: 241999: 262000: 132001: 322002: 322003: 212005: 352006: 242007: 292008: 72009: 92010: 262011: 332012: 512013: 242014: 42015: 192016: 302017: 292018: 382019: 212020: 282021: 292022: 202023: 362024: 122025: 242026: 28193719531963197219811990199920092018
Days per year at Trempealeau Dam 6 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 82 in 1937.
Days at or above 30 C (86 F) per year at Trempealeau Dam 6
YearDaysDecade average
19378270
19385870
19397070
19404438.8
19414038.8
19422238.8
19434938.8
19501725.9
19511125.9
19532925.9
19554325.9
19562825.9
19572525.9
19582025.9
19593425.9
19602225.6
19612925.6
19621125.6
19633625.6
19643825.6
19651925.6
19663525.6
19671525.6
19682825.6
19692325.6
19703929.8
19712929.8
19722729.8
19732829.8
19742229.8
19754129.8
19764229.8
19773029.8
19782629.8
19791429.8
19803331.5
19812031.5
19822331.5
19835031.5
19842331.5
19852931.5
19861931.5
19873831.5
19885331.5
19892731.5
1990616.8
19912416.8
1992616.8
1993616.8
19941416.8
19953616.8
19961116.8
19971516.8
19982416.8
19992616.8
20001322.4
20013222.4
20023222.4
20032122.4
20053522.4
20062422.4
20072922.4
2008722.4
2009922.4
20102627.5
20113327.5
20125127.5
20132427.5
2014427.5
20151927.5
20163027.5
20172927.5
20183827.5
20192127.5
20202825.3
20212925.3
20222025.3
20233625.3
20241225.3
20252425.3
20262825.3
First to last qualifying date each year at Trempealeau Dam 6 For each year, a bar from the first to the last day at Trempealeau Dam 6 meeting 30 C (86 F). 1937: 5 May 1937 to 24 September 19371938: 31 May 1938 to 5 October 19381939: 25 April 1939 to 16 September 19391940: 12 May 1940 to 21 September 19401941: 26 May 1941 to 22 September 19411942: 29 April 1942 to 11 September 19421943: 5 May 1943 to 3 September 19431950: 5 June 1950 to 31 August 19501951: 15 July 1951 to 28 August 19511953: 29 May 1953 to 3 September 19531955: 2 May 1955 to 18 September 19551956: 12 May 1956 to 28 August 19561957: 16 June 1957 to 1 September 19571958: 28 June 1958 to 20 August 19581959: 2 May 1959 to 8 September 19591960: 16 July 1960 to 7 September 19601961: 31 May 1961 to 10 September 19611962: 15 May 1962 to 28 August 19621963: 2 June 1963 to 6 October 19631964: 18 May 1964 to 5 August 19641965: 2 May 1965 to 17 August 19651966: 26 May 1966 to 1 September 19661967: 18 May 1967 to 25 August 19671968: 4 June 1968 to 3 September 19681969: 27 May 1969 to 30 August 19691970: 29 April 1970 to 7 September 19701971: 4 June 1971 to 7 September 19711972: 18 May 1972 to 16 September 19721973: 8 June 1973 to 1 September 19731974: 2 July 1974 to 20 August 19741975: 19 May 1975 to 28 August 19751976: 7 June 1976 to 1 October 19761977: 13 May 1977 to 27 August 19771978: 26 May 1978 to 11 September 19781979: 15 June 1979 to 5 September 19791980: 21 April 1980 to 8 September 19801981: 5 June 1981 to 10 September 19811982: 28 June 1982 to 21 August 19821983: 11 June 1983 to 8 September 19831984: 6 June 1984 to 19 September 19841985: 19 April 1985 to 19 September 19851986: 31 May 1986 to 26 September 19861987: 20 April 1987 to 15 August 19871988: 28 May 1988 to 17 September 19881989: 19 June 1989 to 22 August 19891990: 25 June 1990 to 22 August 19901991: 6 April 1991 to 6 September 19911992: 1 May 1992 to 24 August 19921993: 11 August 1993 to 27 August 19931994: 14 June 1994 to 15 September 19941995: 17 June 1995 to 31 August 19951996: 18 May 1996 to 21 August 19961997: 23 June 1997 to 5 October 19971998: 14 May 1998 to 13 September 19981999: 6 June 1999 to 6 September 19992000: 8 June 2000 to 18 September 20002001: 14 May 2001 to 9 August 20012002: 15 April 2002 to 9 September 20022003: 14 April 2003 to 7 September 20032005: 6 June 2005 to 21 September 20052006: 28 May 2006 to 4 August 20062007: 14 May 2007 to 6 October 20072008: 25 June 2008 to 2 September 20082009: 24 April 2009 to 14 August 20092010: 23 May 2010 to 30 August 20102011: 10 May 2011 to 2 September 20112012: 19 May 2012 to 11 September 20122013: 14 May 2013 to 10 September 20132014: 31 May 2014 to 25 August 20142015: 9 June 2015 to 6 September 20152016: 6 May 2016 to 18 August 20162017: 2 June 2017 to 24 September 20172018: 24 May 2018 to 17 September 20182019: 1 June 2019 to 1 October 20192020: 2 June 2020 to 28 August 20202021: 4 June 2021 to 26 August 20212022: 12 May 2022 to 1 September 20222023: 13 April 2023 to 2 October 20232024: 19 May 2024 to 27 August 20242025: 3 June 2025 to 5 October 20252026: 26 May 2026 to 13 October 202619371956196719781989200020122023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Trempealeau Dam 6 meeting 30 C (86 F).
First to last qualifying date each year at Trempealeau Dam 6
YearFirst dateLast date
19371937-05-051937-09-24
19381938-05-311938-10-05
19391939-04-251939-09-16
19401940-05-121940-09-21
19411941-05-261941-09-22
19421942-04-291942-09-11
19431943-05-051943-09-03
19501950-06-051950-08-31
19511951-07-151951-08-28
19531953-05-291953-09-03
19551955-05-021955-09-18
19561956-05-121956-08-28
19571957-06-161957-09-01
19581958-06-281958-08-20
19591959-05-021959-09-08
19601960-07-161960-09-07
19611961-05-311961-09-10
19621962-05-151962-08-28
19631963-06-021963-10-06
19641964-05-181964-08-05
19651965-05-021965-08-17
19661966-05-261966-09-01
19671967-05-181967-08-25
19681968-06-041968-09-03
19691969-05-271969-08-30
19701970-04-291970-09-07
19711971-06-041971-09-07
19721972-05-181972-09-16
19731973-06-081973-09-01
19741974-07-021974-08-20
19751975-05-191975-08-28
19761976-06-071976-10-01
19771977-05-131977-08-27
19781978-05-261978-09-11
19791979-06-151979-09-05
19801980-04-211980-09-08
19811981-06-051981-09-10
19821982-06-281982-08-21
19831983-06-111983-09-08
19841984-06-061984-09-19
19851985-04-191985-09-19
19861986-05-311986-09-26
19871987-04-201987-08-15
19881988-05-281988-09-17
19891989-06-191989-08-22
19901990-06-251990-08-22
19911991-04-061991-09-06
19921992-05-011992-08-24
19931993-08-111993-08-27
19941994-06-141994-09-15
19951995-06-171995-08-31
19961996-05-181996-08-21
19971997-06-231997-10-05
19981998-05-141998-09-13
19991999-06-061999-09-06
20002000-06-082000-09-18
20012001-05-142001-08-09
20022002-04-152002-09-09
20032003-04-142003-09-07
20052005-06-062005-09-21
20062006-05-282006-08-04
20072007-05-142007-10-06
20082008-06-252008-09-02
20092009-04-242009-08-14
20102010-05-232010-08-30
20112011-05-102011-09-02
20122012-05-192012-09-11
20132013-05-142013-09-10
20142014-05-312014-08-25
20152015-06-092015-09-06
20162016-05-062016-08-18
20172017-06-022017-09-24
20182018-05-242018-09-17
20192019-06-012019-10-01
20202020-06-022020-08-28
20212021-06-042021-08-26
20222022-05-122022-09-01
20232023-04-132023-10-02
20242024-05-192024-08-27
20252025-06-032025-10-05
20262026-05-262026-10-13

Every Fixed Threshold

Fixed thresholds at Trempealeau Dam 6
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days8182193728
35 C (95 F): Days464019371
40 C (104 F): Days2519371
90 F (32.2 C): Days796719379
100 F (37.8 C): Days141919371
0 C (32 F): Ice days (max8190197837
0 C (32 F): Frost days (min81174197686
-10 C (14 F): Days with min8195197833
-20 C (-4 F): Days with min8149197810
-30 C (-22 F): Days with min36819792
-40 C (-40 F): Days with min2119511
20 C (68 F): Tropical nights (min8148193931
25 C (77 F): Days with min361019391
10 mm (0.39 in): Days with 10 mm or more rain8543196831
25 mm (0.98 in): Days with 25 mm or more rain8514201915
50 mm (1.97 in): Days with 50 mm or more rain60420163
100 mm (3.94 in): Days with 100 mm or more rain4119681
10 cm (3.9 in): Days with 10 cm or more snowfall57820072
25 cm (9.8 in): Days with 25 cm or more snowfall12119571

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1937.

Download the Data

  • Data for Trempealeau Dam 6 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).