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Built 2026-10-18 (18 October 2026)

Nemo South Dakota Threshold Days by Year

11 fixed thresholds counted per year at Nemo South Dakota (USR0000SNEM): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Nemo South Dakota Thresholds

  • Nemo South Dakota: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 2003 with 52.
  • Nemo South Dakota: days with a maximum temperature at or above 90 F (32.2 C) in 33 years, most in 2002 with 27.
  • Nemo South Dakota: days with a maximum temperature at or below 0 C (32 F) in 33 years, most in 1996 with 61.
  • Nemo South Dakota: nights with a minimum temperature at or below 0 C (32 F) in 33 years, most in 2008 with 234.
  • 11 fixed thresholds have at least one qualifying day at Nemo South Dakota.
33 years with a qualifying day
Days at or above 30 C (86 F) per year at Nemo South Dakota Days per year at Nemo South Dakota with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 52 in 2003. 02040601994: 221995: 281996: 251997: 151998: 311999: 252000: 362001: 382002: 462003: 522004: 222005: 372006: 422007: 522008: 182009: 172010: 382011: 322012: 462013: 252014: 142015: 262016: 232017: 302018: 182019: 112020: 282021: 382022: 442023: 172024: 362025: 252026: 43199419982002200620102014201820222026
Days per year at Nemo South Dakota with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 52 in 2003.
Days at or above 30 C (86 F) per year at Nemo South Dakota
YearDaysDecade average
19942224.3
19952824.3
19962524.3
19971524.3
19983124.3
19992524.3
20003636
20013836
20024636
20035236
20042236
20053736
20064236
20075236
20081836
20091736
20103826.3
20113226.3
20124626.3
20132526.3
20141426.3
20152626.3
20162326.3
20173026.3
20181826.3
20191126.3
20202833
20213833
20224433
20231733
20243633
20252533
20264333
First to last qualifying date each year at Nemo South Dakota For each year, a bar from the first to the last day at Nemo South Dakota meeting 30 C (86 F). 1994: 13 June 1994 to 28 September 19941995: 15 June 1995 to 5 September 19951996: 26 June 1996 to 5 September 19961997: 22 June 1997 to 1 October 19971998: 25 June 1998 to 18 September 19981999: 20 June 1999 to 6 September 19992000: 5 May 2000 to 18 September 20002001: 13 May 2001 to 1 October 20012002: 22 June 2002 to 16 September 20022003: 29 May 2003 to 19 October 20032004: 6 June 2004 to 18 September 20042005: 6 June 2005 to 1 October 20052006: 22 May 2006 to 14 September 20062007: 13 May 2007 to 22 September 20072008: 24 June 2008 to 25 September 20082009: 19 May 2009 to 14 September 20092010: 28 May 2010 to 5 October 20102011: 2 June 2011 to 4 October 20112012: 16 May 2012 to 10 September 20122013: 3 July 2013 to 17 September 20132014: 29 May 2014 to 26 September 20142015: 9 June 2015 to 10 October 20152016: 9 June 2016 to 28 August 20162017: 9 June 2017 to 12 September 20172018: 26 May 2018 to 12 September 20182019: 28 June 2019 to 16 September 20192020: 19 May 2020 to 24 September 20202021: 4 June 2021 to 5 October 20212022: 27 May 2022 to 29 September 20222023: 22 July 2023 to 3 September 20232024: 15 June 2024 to 29 September 20242025: 11 May 2025 to 3 October 20252026: 13 May 2026 to 5 October 20261994199920042009201420192024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Nemo South Dakota meeting 30 C (86 F).
First to last qualifying date each year at Nemo South Dakota
YearFirst dateLast date
19941994-06-131994-09-28
19951995-06-151995-09-05
19961996-06-261996-09-05
19971997-06-221997-10-01
19981998-06-251998-09-18
19991999-06-201999-09-06
20002000-05-052000-09-18
20012001-05-132001-10-01
20022002-06-222002-09-16
20032003-05-292003-10-19
20042004-06-062004-09-18
20052005-06-062005-10-01
20062006-05-222006-09-14
20072007-05-132007-09-22
20082008-06-242008-09-25
20092009-05-192009-09-14
20102010-05-282010-10-05
20112011-06-022011-10-04
20122012-05-162012-09-10
20132013-07-032013-09-17
20142014-05-292014-09-26
20152015-06-092015-10-10
20162016-06-092016-08-28
20172017-06-092017-09-12
20182018-05-262018-09-12
20192019-06-282019-09-16
20202020-05-192020-09-24
20212021-06-042021-10-05
20222022-05-272022-09-29
20232023-07-222023-09-03
20242024-06-152024-09-29
20252025-05-112025-10-03
20262026-05-132026-10-05

Every Fixed Threshold

Fixed thresholds at Nemo South Dakota
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3352200343
35 C (95 F): Days2614200611
40 C (104 F): Days1320063
90 F (32.2 C): Days3327200219
100 F (37.8 C): Days11420062
0 C (32 F): Ice days (max3361199615
0 C (32 F): Frost days (min332342008126
-10 C (14 F): Days with min3397200021
-20 C (-4 F): Days with min333619967
-30 C (-22 F): Days with min19819963
20 C (68 F): Tropical nights (min6119971

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1994.

Download the Data

  • Data for Nemo South Dakota 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 (2026-10-16).