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Built 2026-10-19 (19 October 2026)

Ottertail Threshold Days by Year (USC00216276)

18 fixed thresholds counted per year at Ottertail (USC00216276): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ottertail Thresholds

  • Ottertail: days with 10 mm (0.39 in) or more of precipitation in 75 years, most in 1977 with 32.
  • Ottertail: days with 25 mm (0.98 in) or more of precipitation in 75 years, most in 1985 with 13.
  • Ottertail: days with 10 cm (3.9 in) or more of snowfall in 65 years, most in 1951 with 10.
  • Ottertail: days with a maximum temperature at or above 30 C (86 F) in 55 years, most in 1988 with 54.
  • 18 fixed thresholds have at least one qualifying day at Ottertail.
55 years with a qualifying day
Days at or above 30 C (86 F) per year at Ottertail Days per year at Ottertail with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 54 in 1988. 02040601962: 51963: 241964: 281965: 81966: 231967: 191968: 241969: 321970: 461971: 111972: 151973: 181974: 191975: 321976: 481977: 171978: 351979: 121980: 261981: 151982: 191983: 431984: 281985: 71986: 141987: 381988: 541989: 381990: 151991: 211992: 71993: 31994: 61995: 191996: 181997: 211998: 191999: 202000: 102001: 292002: 402013: 142014: 32015: 82016: 102017: 52018: 142019: 62020: 122021: 222022: 102023: 182024: 52025: 112026: 221962196819741980198619921998201420202026
Days per year at Ottertail with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 54 in 1988.
Days at or above 30 C (86 F) per year at Ottertail
YearDaysDecade average
1962520.4
19632420.4
19642820.4
1965820.4
19662320.4
19671920.4
19682420.4
19693220.4
19704625.3
19711125.3
19721525.3
19731825.3
19741925.3
19753225.3
19764825.3
19771725.3
19783525.3
19791225.3
19802628.2
19811528.2
19821928.2
19834328.2
19842828.2
1985728.2
19861428.2
19873828.2
19885428.2
19893828.2
19901514.9
19912114.9
1992714.9
1993314.9
1994614.9
19951914.9
19961814.9
19972114.9
19981914.9
19992014.9
20001026.3
20012926.3
20024026.3
2013148.6
201438.6
201588.6
2016108.6
201758.6
2018148.6
201968.6
20201214.3
20212214.3
20221014.3
20231814.3
2024514.3
20251114.3
20262214.3
First to last qualifying date each year at Ottertail For each year, a bar from the first to the last day at Ottertail meeting 30 C (86 F). 1962: 25 April 1962 to 27 August 19621963: 27 June 1963 to 5 October 19631964: 21 May 1964 to 2 September 19641965: 22 July 1965 to 14 August 19651966: 19 June 1966 to 6 August 19661967: 18 July 1967 to 7 September 19671968: 3 June 1968 to 24 August 19681969: 27 May 1969 to 15 September 19691970: 6 June 1970 to 7 September 19701971: 27 June 1971 to 3 September 19711972: 17 May 1972 to 30 August 19721973: 9 June 1973 to 30 August 19731974: 3 June 1974 to 19 August 19741975: 20 May 1975 to 24 August 19751976: 5 June 1976 to 11 September 19761977: 13 May 1977 to 24 July 19771978: 25 May 1978 to 11 September 19781979: 14 June 1979 to 5 September 19791980: 21 April 1980 to 10 September 19801981: 4 July 1981 to 10 September 19811982: 3 July 1982 to 10 September 19821983: 10 June 1983 to 9 September 19831984: 8 July 1984 to 20 September 19841985: 25 June 1985 to 7 August 19851986: 30 May 1986 to 24 July 19861987: 10 May 1987 to 16 August 19871988: 28 May 1988 to 17 August 19881989: 19 June 1989 to 11 August 19891990: 25 June 1990 to 12 September 19901991: 14 May 1991 to 29 August 19911992: 30 April 1992 to 9 August 19921993: 11 June 1993 to 24 August 19931994: 28 May 1994 to 9 September 19941995: 15 June 1995 to 30 August 19951996: 10 June 1996 to 5 September 19961997: 12 June 1997 to 2 October 19971998: 18 May 1998 to 19 September 19981999: 29 May 1999 to 27 August 19992000: 4 May 2000 to 18 September 20002001: 15 May 2001 to 5 September 20012002: 29 May 2002 to 16 September 20022013: 15 May 2013 to 8 September 20132014: 31 May 2014 to 22 July 20142015: 11 July 2015 to 12 October 20152016: 7 May 2016 to 10 August 20162017: 3 June 2017 to 18 July 20172018: 17 May 2018 to 17 September 20182019: 31 May 2019 to 16 July 20192020: 2 June 2020 to 25 July 20202021: 4 June 2021 to 20 August 20212022: 15 June 2022 to 15 September 20222023: 1 June 2023 to 3 October 20232024: 13 June 2024 to 17 September 20242025: 12 May 2025 to 4 October 20252026: 23 April 2026 to 11 October 202619621969197619831990199720142021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ottertail meeting 30 C (86 F).
First to last qualifying date each year at Ottertail
YearFirst dateLast date
19621962-04-251962-08-27
19631963-06-271963-10-05
19641964-05-211964-09-02
19651965-07-221965-08-14
19661966-06-191966-08-06
19671967-07-181967-09-07
19681968-06-031968-08-24
19691969-05-271969-09-15
19701970-06-061970-09-07
19711971-06-271971-09-03
19721972-05-171972-08-30
19731973-06-091973-08-30
19741974-06-031974-08-19
19751975-05-201975-08-24
19761976-06-051976-09-11
19771977-05-131977-07-24
19781978-05-251978-09-11
19791979-06-141979-09-05
19801980-04-211980-09-10
19811981-07-041981-09-10
19821982-07-031982-09-10
19831983-06-101983-09-09
19841984-07-081984-09-20
19851985-06-251985-08-07
19861986-05-301986-07-24
19871987-05-101987-08-16
19881988-05-281988-08-17
19891989-06-191989-08-11
19901990-06-251990-09-12
19911991-05-141991-08-29
19921992-04-301992-08-09
19931993-06-111993-08-24
19941994-05-281994-09-09
19951995-06-151995-08-30
19961996-06-101996-09-05
19971997-06-121997-10-02
19981998-05-181998-09-19
19991999-05-291999-08-27
20002000-05-042000-09-18
20012001-05-152001-09-05
20022002-05-292002-09-16
20132013-05-152013-09-08
20142014-05-312014-07-22
20152015-07-112015-10-12
20162016-05-072016-08-10
20172017-06-032017-07-18
20182018-05-172018-09-17
20192019-05-312019-07-16
20202020-06-022020-07-25
20212021-06-042021-08-20
20222022-06-152022-09-15
20232023-06-012023-10-03
20242024-06-132024-09-17
20252025-05-122025-10-04
20262026-04-232026-10-11

Every Fixed Threshold

Fixed thresholds at Ottertail
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5554198822
35 C (95 F): Days221219881
90 F (32.2 C): Days483219883
100 F (37.8 C): Days3419763
0 C (32 F): Ice days (max55114199653
0 C (32 F): Frost days (min551951979109
-10 C (14 F): Days with min55119197048
-20 C (-4 F): Days with min5566197821
-30 C (-22 F): Days with min522019792
-40 C (-40 F): Days with min5219961
20 C (68 F): Tropical nights (min532019758
25 C (77 F): Days with min5320012
10 mm (0.39 in): Days with 10 mm or more rain7532197718
25 mm (0.98 in): Days with 25 mm or more rain751319855
50 mm (1.97 in): Days with 50 mm or more rain46519551
100 mm (3.94 in): Days with 100 mm or more rain2119791
10 cm (3.9 in): Days with 10 cm or more snowfall651019513
25 cm (9.8 in): Days with 25 cm or more snowfall15119561

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1962.

Download the Data

  • Data for Ottertail 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).