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Built 2026-10-19 (19 October 2026)

Lower St Anthony Falls Threshold Days by Year (USC00214884)

18 fixed thresholds counted per year at Lower St Anthony Falls (USC00214884): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lower St Anthony Falls Thresholds

  • Lower St Anthony Falls: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 2019 with 39.
  • Lower St Anthony Falls: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 2002 with 13.
  • Lower St Anthony Falls: nights with a minimum temperature at or below 0 C (32 F) in 32 years, most in 2013 with 170.
  • Lower St Anthony Falls: nights with a minimum temperature at or below -10 C (14 F) in 32 years, most in 2014 with 96.
  • 18 fixed thresholds have at least one qualifying day at Lower St Anthony Falls.
31 years with a qualifying day
Days at or above 30 C (86 F) per year at Lower St Anthony Falls Days per year at Lower St Anthony Falls with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 68 in 1998. 0204060801993: 301994: 501997: 531998: 681999: 572000: 562002: 502003: 462004: 252005: 452006: 422007: 532008: 392009: 162010: 362011: 272012: 492013: 262014: 92015: 142016: 212017: 212018: 372019: 122020: 282021: 462022: 242023: 442024: 122025: 192026: 3219931999200420082012201620202024
Days per year at Lower St Anthony Falls with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 68 in 1998.
Days at or above 30 C (86 F) per year at Lower St Anthony Falls
YearDaysDecade average
19933051.6
19945051.6
19975351.6
19986851.6
19995751.6
20005641.3
20025041.3
20034641.3
20042541.3
20054541.3
20064241.3
20075341.3
20083941.3
20091641.3
20103625.2
20112725.2
20124925.2
20132625.2
2014925.2
20151425.2
20162125.2
20172125.2
20183725.2
20191225.2
20202829.3
20214629.3
20222429.3
20234429.3
20241229.3
20251929.3
20263229.3
First to last qualifying date each year at Lower St Anthony Falls For each year, a bar from the first to the last day at Lower St Anthony Falls meeting 30 C (86 F). 1993: 8 June 1993 to 26 August 19931994: 19 May 1994 to 19 September 19941997: 31 May 1997 to 7 October 19971998: 4 May 1998 to 19 September 19981999: 28 May 1999 to 25 September 19992000: 3 May 2000 to 19 October 20002002: 15 April 2002 to 9 September 20022003: 14 April 2003 to 9 September 20032004: 18 April 2004 to 19 September 20042005: 2 June 2005 to 21 September 20052006: 27 May 2006 to 27 August 20062007: 10 May 2007 to 6 September 20072008: 19 June 2008 to 1 September 20082009: 19 May 2009 to 14 August 20092010: 24 May 2010 to 30 August 20102011: 11 May 2011 to 2 September 20112012: 19 May 2012 to 12 September 20122013: 15 May 2013 to 10 September 20132014: 31 May 2014 to 25 August 20142015: 10 June 2015 to 17 September 20152016: 7 May 2016 to 12 August 20162017: 3 June 2017 to 25 September 20172018: 18 May 2018 to 17 September 20182019: 8 June 2019 to 5 August 20192020: 2 June 2020 to 28 August 20202021: 25 May 2021 to 24 August 20212022: 13 May 2022 to 2 September 20222023: 14 April 2023 to 2 October 20232024: 16 June 2024 to 30 August 20242025: 12 May 2025 to 5 October 20252026: 16 May 2026 to 2 September 202619931999200420082012201620202024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lower St Anthony Falls meeting 30 C (86 F).
First to last qualifying date each year at Lower St Anthony Falls
YearFirst dateLast date
19931993-06-081993-08-26
19941994-05-191994-09-19
19971997-05-311997-10-07
19981998-05-041998-09-19
19991999-05-281999-09-25
20002000-05-032000-10-19
20022002-04-152002-09-09
20032003-04-142003-09-09
20042004-04-182004-09-19
20052005-06-022005-09-21
20062006-05-272006-08-27
20072007-05-102007-09-06
20082008-06-192008-09-01
20092009-05-192009-08-14
20102010-05-242010-08-30
20112011-05-112011-09-02
20122012-05-192012-09-12
20132013-05-152013-09-10
20142014-05-312014-08-25
20152015-06-102015-09-17
20162016-05-072016-08-12
20172017-06-032017-09-25
20182018-05-182018-09-17
20192019-06-082019-08-05
20202020-06-022020-08-28
20212021-05-252021-08-24
20222022-05-132022-09-02
20232023-04-142023-10-02
20242024-06-162024-08-30
20252025-05-122025-10-05
20262026-05-162026-09-02

Every Fixed Threshold

Fixed thresholds at Lower St Anthony Falls
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3168199832
35 C (95 F): Days231819992
40 C (104 F): Days1119991
90 F (32.2 C): Days3137199812
100 F (37.8 C): Days10719991
0 C (32 F): Ice days (max31101201438
0 C (32 F): Frost days (min32170201384
-10 C (14 F): Days with min3296201436
-20 C (-4 F): Days with min323820147
-30 C (-22 F): Days with min5619942
20 C (68 F): Tropical nights (min3242199928
25 C (77 F): Days with min10719991
10 mm (0.39 in): Days with 10 mm or more rain3339201914
25 mm (0.98 in): Days with 25 mm or more rain331320025
50 mm (1.97 in): Days with 50 mm or more rain24319972
100 mm (3.94 in): Days with 100 mm or more rain6119971
10 cm (3.9 in): Days with 10 cm or more snowfall11820192
25 cm (9.8 in): Days with 25 cm or more snowfall3120181

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1993.

Download the Data

  • Data for Lower St Anthony Falls 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).