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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Redwood Falls Threshold Days by Year

18 fixed thresholds counted per year at Redwood Falls (USC00216839): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Redwood Falls Thresholds

  • Redwood Falls: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 2018 with 34.
  • Redwood Falls: days with 25 mm (0.98 in) or more of precipitation in 27 years, most in 2019 with 14.
  • Redwood Falls: days with 10 cm (3.9 in) or more of snowfall in 26 years, most in 2019 with 8.
  • Redwood Falls: days with 50 mm (1.97 in) or more of precipitation in 18 years, most in 1993 with 4.
  • 18 fixed thresholds have at least one qualifying day at Redwood Falls.
13 years with a qualifying day
Days at or above 30 C (86 F) per year at Redwood Falls Days per year at Redwood Falls with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 58 in 2012. 02040602009: 272010: 412011: 552012: 582013: 392014: 142015: 272016: 222017: 272018: 332019: 242020: 402021: 552009201120132015201720192021
Days per year at Redwood Falls with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 58 in 2012.
Days at or above 30 C (86 F) per year at Redwood Falls
YearDaysDecade average
20092727
20104134
20115534
20125834
20133934
20141434
20152734
20162234
20172734
20183334
20192434
20204047.5
20215547.5
First to last qualifying date each year at Redwood Falls For each year, a bar from the first to the last day at Redwood Falls meeting 30 C (86 F). 2009: 24 April 2009 to 19 September 20092010: 23 May 2010 to 10 October 20102011: 11 May 2011 to 6 October 20112012: 15 May 2012 to 16 September 20122013: 14 May 2013 to 19 September 20132014: 30 May 2014 to 25 August 20142015: 10 June 2015 to 12 October 20152016: 7 May 2016 to 11 August 20162017: 14 May 2017 to 25 September 20172018: 8 May 2018 to 17 September 20182019: 1 June 2019 to 1 October 20192020: 2 May 2020 to 24 September 20202021: 6 April 2021 to 29 September 20212009201120132015201720192021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Redwood Falls meeting 30 C (86 F).
First to last qualifying date each year at Redwood Falls
YearFirst dateLast date
20092009-04-242009-09-19
20102010-05-232010-10-10
20112011-05-112011-10-06
20122012-05-152012-09-16
20132013-05-142013-09-19
20142014-05-302014-08-25
20152015-06-102015-10-12
20162016-05-072016-08-11
20172017-05-142017-09-25
20182018-05-082018-09-17
20192019-06-012019-10-01
20202020-05-022020-09-24
20212021-04-062021-09-29

Every Fixed Threshold

Fixed thresholds at Redwood Falls
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1358201255
35 C (95 F): Days1110202110
90 F (32.2 C): Days1330201230
100 F (37.8 C): Days3220212
0 C (32 F): Ice days (max13104201365
0 C (32 F): Frost days (min131902013156
-10 C (14 F): Days with min13101201354
-20 C (-4 F): Days with min1340201417
-30 C (-22 F): Days with min8320103
20 C (68 F): Tropical nights (min1318201218
25 C (77 F): Days with min2220111
10 mm (0.39 in): Days with 10 mm or more rain2734201818
25 mm (0.98 in): Days with 25 mm or more rain271420196
50 mm (1.97 in): Days with 50 mm or more rain18419932
100 mm (3.94 in): Days with 100 mm or more rain9220171
200 mm (7.87 in): Days with 200 mm or more rain1120171
10 cm (3.9 in): Days with 10 cm or more snowfall26820192
25 cm (9.8 in): Days with 25 cm or more snowfall7119911

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2009.

Download the Data

  • Data for Redwood 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).