Built 2026-10-19 (19 October 2026)

Winner Wiley Fld Weather Records (USW00094990)

Record envelope, standing records and threshold days for Winner Wiley Fld (USW00094990), South Dakota, United States, with 30 years of record.

Key Facts for Winner Wiley Fld

  • Winner Wiley Fld (USW00094990) is a weather station in South Dakota, United States at 43.39 latitude and -99.84 longitude, 615 m (2,018 ft) above sea level.
  • The station reports from 1997 to 2026, 30 years of record.
  • 1,464 records set at Winner Wiley Fld still stand.
  • Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

  • Location: South Dakota, United States, 43.39 latitude, -99.84 longitude.
  • Elevation: 615 m (2,018 ft).
  • Period of record: 1997 to 2026, 30 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

39 days at or beyond a record
Daily record high and record low at Winner Wiley Fld, with 2026 drawn through them The band shows the record high and record low for each calendar day at Winner Wiley Fld. The lines show the 2026 daily maximum and minimum. 39 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-200204060 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Winner Wiley Fld. The lines show the 2026 daily maximum and minimum. 39 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Winner Wiley Fld, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan22.2 C (72.0 F)-32.7 C (-26.9 F)13.9 C (57.0 F)-26.6 C (-15.9 F)
Feb26.7 C (80.1 F)-29.3 C (-20.7 F)22.8 C (73.0 F)-29.3 C (-20.7 F)
Mar32.2 C (90.0 F)-29.4 C (-20.9 F)26.7 C (80.1 F)-8.8 C (16.2 F)
Apr34.4 C (93.9 F)-13.8 C (7.2 F)27.8 C (82.0 F)-7.1 C (19.2 F)
May37.8 C (100.0 F)-4.3 C (24.3 F)32.8 C (91.0 F)2.8 C (37.0 F)
Jun42.8 C (109.0 F)1.1 C (34.0 F)40.6 C (105.1 F)6.1 C (43.0 F)
Jul46.1 C (115.0 F)7.8 C (46.0 F)38.9 C (102.0 F)8.9 C (48.0 F)
Aug44.4 C (111.9 F)6.7 C (44.1 F)36.7 C (98.1 F)8.3 C (46.9 F)
Sep41.7 C (107.1 F)-0.6 C (30.9 F)33.3 C (91.9 F)2.8 C (37.0 F)
Oct35.6 C (96.1 F)-13.2 C (8.2 F)33.9 C (93.0 F)-2.2 C (28.0 F)
Nov29.4 C (84.9 F)-19.9 C (-3.8 F)27.8 C (82.0 F)-16.1 C (3.0 F)
Dec23.3 C (73.9 F)-29.9 C (-21.8 F)21.7 C (71.1 F)-21.1 C (-6.0 F)

Which Years Hold Standing Records

1,464 standing records
Standing records at Winner Wiley Fld by the year they were set 1,464 records at Winner Wiley Fld still stand. 2000 holds the most, with 80. 0204060801997: 11998: 541999: 512000: 802001: 462002: 742003: 592004: 562005: 552006: 582007: 352008: 292009: 582010: 402011: 592012: 712013: 472014: 682015: 452016: 502017: 552018: 492019: 442020: 432021: 512022: 572023: 362024: 382025: 551997200020032006200920122015201820212024
1,464 records at Winner Wiley Fld still stand. 2000 holds the most, with 80.
Standing records at Winner Wiley Fld by the year they were set
Year setStanding records
19971
199854
199951
200080
200146
200274
200359
200456
200555
200658
200735
200829
200958
201040
201159
201271
201347
201468
201545
201650
201755
201849
201944
202043
202151
202257
202336
202438
202555

Wettest Day of Each Month

Jun: 121.9 mm (4.8 in)
Record daily precipitation for each month at Winner Wiley Fld The wettest day on record for each calendar month at Winner Wiley Fld. The most was 121.9 mm (4.8 in) on 8 June 2004. 050100150 Jan: 21.6 mm (0.9 in), 21 January 2018 Jan Feb: 16.5 mm (0.6 in), 29 February 2004 Feb Mar: 42.2 mm (1.7 in), 27 March 2004 Mar Apr: 72.1 mm (2.8 in), 16 April 2024 Apr May: 52.1 mm (2.1 in), 17 May 2019 May Jun: 121.9 mm (4.8 in), 8 June 2004 Jun Jul: 74.4 mm (2.9 in), 24 July 2020 Jul Aug: 87.1 mm (3.4 in), 12 August 2017 Aug Sep: 61.2 mm (2.4 in), 17 September 2025 Sep Oct: 37.3 mm (1.5 in), 4 October 2013 Oct Nov: 16.0 mm (0.6 in), 9 November 1998 Nov Dec: 32.5 mm (1.3 in), 13 December 2022 Dec
The wettest day on record for each calendar month at Winner Wiley Fld. The most was 121.9 mm (4.8 in) on 8 June 2004.
Record daily precipitation for each month at Winner Wiley Fld
MonthRecord daily precipitation (mm)Date
Jan21.6 mm (0.9 in)21 January 2018
Feb16.5 mm (0.6 in)29 February 2004
Mar42.2 mm (1.7 in)27 March 2004
Apr72.1 mm (2.8 in)16 April 2024
May52.1 mm (2.1 in)17 May 2019
Jun121.9 mm (4.8 in)8 June 2004
Jul74.4 mm (2.9 in)24 July 2020
Aug87.1 mm (3.4 in)12 August 2017
Sep61.2 mm (2.4 in)17 September 2025
Oct37.3 mm (1.5 in)4 October 2013
Nov16.0 mm (0.6 in)9 November 1998
Dec32.5 mm (1.3 in)13 December 2022

Period of Record Coverage

1997 to 2025
Days with data per year at Winner Wiley Fld 29 years of record at Winner Wiley Fld, 1997 to 2025. 1 years have data for under 90 percent of days and are left out of rankings: 1997. 1997: 19 of 365 days1998: 361 of 365 days1999: 363 of 365 days2000: 359 of 366 days2001: 357 of 365 days2002: 356 of 365 days2003: 362 of 365 days2004: 361 of 366 days2005: 361 of 365 days2006: 357 of 365 days2007: 359 of 365 days2008: 365 of 366 days2009: 363 of 365 days2010: 362 of 365 days2011: 363 of 365 days2012: 364 of 366 days2013: 364 of 365 days2014: 364 of 365 days2015: 361 of 365 days2016: 363 of 366 days2017: 365 of 365 days2018: 360 of 365 days2019: 363 of 365 days2020: 365 of 366 days2021: 365 of 365 days2022: 364 of 365 days2023: 362 of 365 days2024: 366 of 366 days2025: 353 of 365 days200020052010201520202025
29 years of record at Winner Wiley Fld, 1997 to 2025. 1 years have data for under 90 percent of days and are left out of rankings: 1997.
Days with data per year at Winner Wiley Fld
YearDays with dataShare of yearComplete
1997195%No
199836199%Yes
199936399%Yes
200035998%Yes
200135798%Yes
200235698%Yes
200336299%Yes
200436199%Yes
200536199%Yes
200635798%Yes
200735998%Yes
2008365100%Yes
200936399%Yes
201036299%Yes
201136399%Yes
201236499%Yes
2013364100%Yes
2014364100%Yes
201536199%Yes
201636399%Yes
2017365100%Yes
201836099%Yes
201936399%Yes
2020365100%Yes
2021365100%Yes
2022364100%Yes
202336299%Yes
2024366100%Yes
202535397%Yes

Latest Records

0

No records were set at this station in the latest data.

Climate Trend

28 complete years, 1998 to 2025
Annual mean temperature at Winner Wiley Fld as warming stripes, 1998 to 2025 One stripe for each of 28 complete years at Winner Wiley Fld, 1998 to 2025. Blue stripes are years cooler than the station's own mean of 10.0 C (50.0 F); red stripes are warmer. The coolest year was 2019, at 8.2 C (46.8 F), and the warmest was 2012, at 12.1 C (53.7 F). The strongest colour marks a difference of 2.1 C (3.8 F). 1998: 9.9 C, -0.1 C from the station mean1999: 10.4 C, +0.4 C from the station mean2000: 9.5 C, -0.6 C from the station mean2001: 9.6 C, -0.4 C from the station mean2002: 9.7 C, -0.3 C from the station mean2003: 10.3 C, +0.2 C from the station mean2004: 10.0 C, 0.0 C from the station mean2005: 10.3 C, +0.3 C from the station mean2006: 10.8 C, +0.8 C from the station mean2007: 10.0 C, -0.1 C from the station mean2008: 8.7 C, -1.3 C from the station mean2009: 8.4 C, -1.7 C from the station mean2010: 9.4 C, -0.7 C from the station mean2011: 9.2 C, -0.8 C from the station mean2012: 12.1 C, +2.0 C from the station mean2013: 8.9 C, -1.1 C from the station mean2014: 9.2 C, -0.9 C from the station mean2015: 11.1 C, +1.1 C from the station mean2016: 11.6 C, +1.5 C from the station mean2017: 10.9 C, +0.9 C from the station mean2018: 9.1 C, -0.9 C from the station mean2019: 8.2 C, -1.8 C from the station mean2020: 10.6 C, +0.6 C from the station mean2021: 11.1 C, +1.1 C from the station mean2022: 9.9 C, -0.2 C from the station mean2023: 10.4 C, +0.4 C from the station mean2024: 11.0 C, +1.0 C from the station mean2025: 10.4 C, +0.4 C from the station mean1998200020052010201520202025
One stripe for each of 28 complete years at Winner Wiley Fld, 1998 to 2025. Blue stripes are years cooler than the station's own mean of 10.0 C (50.0 F); red stripes are warmer. The coolest year was 2019, at 8.2 C (46.8 F), and the warmest was 2012, at 12.1 C (53.7 F). The strongest colour marks a difference of 2.1 C (3.8 F).
Annual mean temperature at Winner Wiley Fld as warming stripes, 1998 to 2025
YearAnnual mean temperatureDifference from the station mean
19989.9 C-0.10 C
199910.4 C+0.40 C
20009.5 C-0.55 C
20019.6 C-0.42 C
20029.7 C-0.28 C
200310.3 C+0.24 C
200410.0 C-0.01 C
200510.3 C+0.30 C
200610.8 C+0.77 C
200710.0 C-0.05 C
20088.7 C-1.30 C
20098.4 C-1.65 C
20109.4 C-0.66 C
20119.2 C-0.79 C
201212.1 C+2.05 C
20138.9 C-1.14 C
20149.2 C-0.87 C
201511.1 C+1.11 C
201611.6 C+1.53 C
201710.9 C+0.86 C
20189.1 C-0.90 C
20198.2 C-1.79 C
202010.6 C+0.56 C
202111.1 C+1.11 C
20229.9 C-0.17 C
202310.4 C+0.42 C
202411.0 C+0.97 C
202510.4 C+0.40 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1997 to 2026
Yearly extremes at Winner Wiley Fld: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)46.1 C (115.0 F)200340.6 C (105.1 F)30
Coldest night (TNn)-32.7 C (-26.9 F)2018-26.0 C (-14.8 F)30
Wettest day (Rx1day)121.9 mm (4.8 in)200450.0 mm (2.0 in)29
Wettest five days (Rx5day)134.9 mm (5.3 in)200469.8 mm (2.7 in)29
Longest dry spell (CDD)98 days201241 days29

Hottest day (TXx)

Hottest day (TXx) at Winner Wiley Fld by year The hottest day of the year at Winner Wiley Fld, 1997 to 2026. The record is 46.1 C (115.0 F) in 2003, marked on the chart; the median year is 40.6 C (105.1 F). 3537.54042.54547.5200020052010201520202025Record: 46.1 C (115.0 F) in 2003
The hottest day of the year at Winner Wiley Fld, 1997 to 2026. The record is 46.1 C (115.0 F) in 2003, marked on the chart; the median year is 40.6 C (105.1 F).
Hottest day (TXx) at Winner Wiley Fld by year
YearHottest day (TXx)
199736.7 C (98.1 F)
199840.0 C (104.0 F)
199940.0 C (104.0 F)
200040.6 C (105.1 F)
200139.4 C (102.9 F)
200242.2 C (108.0 F)
200346.1 C (115.0 F)
200439.4 C (102.9 F)
200543.9 C (111.0 F)
200645.0 C (113.0 F)
200740.6 C (105.1 F)
200837.8 C (100.0 F)
200937.2 C (99.0 F)
201039.4 C (102.9 F)
201140.6 C (105.1 F)
201244.4 C (111.9 F)
201339.4 C (102.9 F)
201442.2 C (108.0 F)
201540.6 C (105.1 F)
201641.1 C (106.0 F)
201744.4 C (111.9 F)
201837.2 C (99.0 F)
201940.6 C (105.1 F)
202038.9 C (102.0 F)
202141.7 C (107.1 F)
202243.9 C (111.0 F)
202342.2 C (108.0 F)
202438.9 C (102.0 F)
202540.6 C (105.1 F)
202641.1 C (106.0 F)

Coldest night (TNn)

Coldest night (TNn) at Winner Wiley Fld by year The coldest night of the year at Winner Wiley Fld, 1997 to 2026. The record is -32.7 C (-26.9 F) in 2018, marked on the chart; the median year is -26.0 C (-14.8 F). -40-20020200020052010201520202025Record: -32.7 C (-26.9 F) in 2018
The coldest night of the year at Winner Wiley Fld, 1997 to 2026. The record is -32.7 C (-26.9 F) in 2018, marked on the chart; the median year is -26.0 C (-14.8 F).
Coldest night (TNn) at Winner Wiley Fld by year
YearColdest night (TNn)
199713.9 C (57.0 F)
1998-29.4 C (-20.9 F)
1999-27.2 C (-17.0 F)
2000-26.7 C (-16.1 F)
2001-24.4 C (-11.9 F)
2002-20.6 C (-5.1 F)
2003-25.6 C (-14.1 F)
2004-22.8 C (-9.0 F)
2005-25.0 C (-13.0 F)
2006-24.4 C (-11.9 F)
2007-23.9 C (-11.0 F)
2008-24.9 C (-12.8 F)
2009-26.0 C (-14.8 F)
2010-26.0 C (-14.8 F)
2011-26.0 C (-14.8 F)
2012-21.6 C (-6.9 F)
2013-26.6 C (-15.9 F)
2014-26.6 C (-15.9 F)
2015-22.7 C (-8.9 F)
2016-27.1 C (-16.8 F)
2017-29.9 C (-21.8 F)
2018-32.7 C (-26.9 F)
2019-26.6 C (-15.9 F)
2020-23.2 C (-9.8 F)
2021-29.3 C (-20.7 F)
2022-28.2 C (-18.8 F)
2023-24.9 C (-12.8 F)
2024-29.3 C (-20.7 F)
2025-29.3 C (-20.7 F)
2026-25.6 C (-14.1 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Winner Wiley Fld by year The wettest day of the year at Winner Wiley Fld, 1997 to 2026. The record is 121.9 mm (4.8 in) in 2004, marked on the chart; the median year is 50.0 mm (2.0 in). 255075100125200020052010201520202025Record: 121.9 mm (4.8 in) in 2004
The wettest day of the year at Winner Wiley Fld, 1997 to 2026. The record is 121.9 mm (4.8 in) in 2004, marked on the chart; the median year is 50.0 mm (2.0 in).
Wettest day (Rx1day) at Winner Wiley Fld by year
YearWettest day (Rx1day)
1997n/a
199857.7 mm (2.3 in)
199934.8 mm (1.4 in)
200035.8 mm (1.4 in)
200157.9 mm (2.3 in)
200242.7 mm (1.7 in)
200349.0 mm (1.9 in)
2004121.9 mm (4.8 in)
200550.0 mm (2.0 in)
200628.2 mm (1.1 in)
200742.9 mm (1.7 in)
200870.1 mm (2.8 in)
200959.4 mm (2.3 in)
201032.8 mm (1.3 in)
201165.8 mm (2.6 in)
201227.9 mm (1.1 in)
201350.3 mm (2.0 in)
201441.7 mm (1.6 in)
201539.4 mm (1.6 in)
201651.8 mm (2.0 in)
201787.1 mm (3.4 in)
201834.0 mm (1.3 in)
201952.1 mm (2.1 in)
202074.4 mm (2.9 in)
202140.1 mm (1.6 in)
202250.0 mm (2.0 in)
202334.0 mm (1.3 in)
202493.5 mm (3.7 in)
202561.2 mm (2.4 in)
202626.2 mm (1.0 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Winner Wiley Fld by year The wettest five days of the year at Winner Wiley Fld, 1997 to 2026. The record is 134.9 mm (5.3 in) in 2004, marked on the chart; the median year is 69.8 mm (2.7 in). 255075100125150200020052010201520202025Record: 134.9 mm (5.3 in) in 2004
The wettest five days of the year at Winner Wiley Fld, 1997 to 2026. The record is 134.9 mm (5.3 in) in 2004, marked on the chart; the median year is 69.8 mm (2.7 in).
Wettest five days (Rx5day) at Winner Wiley Fld by year
YearWettest five days (Rx5day)
1997n/a
199878.8 mm (3.1 in)
199958.2 mm (2.3 in)
200052.6 mm (2.1 in)
200181.9 mm (3.2 in)
200256.9 mm (2.2 in)
200357.2 mm (2.3 in)
2004134.9 mm (5.3 in)
200582.6 mm (3.3 in)
200657.1 mm (2.2 in)
200766.0 mm (2.6 in)
2008125.4 mm (4.9 in)
200969.8 mm (2.7 in)
201046.0 mm (1.8 in)
2011117.6 mm (4.6 in)
201250.6 mm (2.0 in)
201376.8 mm (3.0 in)
201459.2 mm (2.3 in)
201556.5 mm (2.2 in)
201682.5 mm (3.2 in)
2017101.0 mm (4.0 in)
201844.2 mm (1.7 in)
2019106.3 mm (4.2 in)
202074.7 mm (2.9 in)
202147.2 mm (1.9 in)
202295.0 mm (3.7 in)
202340.6 mm (1.6 in)
2024128.0 mm (5.0 in)
202580.0 mm (3.1 in)
202648.9 mm (1.9 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Winner Wiley Fld by year The longest dry spell of the year at Winner Wiley Fld, 1997 to 2026. The record is 98 days in 2012, marked on the chart; the median year is 41 days. 20406080100200020052010201520202025Record: 98 days in 2012
The longest dry spell of the year at Winner Wiley Fld, 1997 to 2026. The record is 98 days in 2012, marked on the chart; the median year is 41 days.
Longest dry spell (CDD) at Winner Wiley Fld by year
YearLongest dry spell (CDD)
1997n/a
199848 days
199939 days
200028 days
200143 days
200239 days
200331 days
200451 days
200542 days
200635 days
200741 days
200841 days
200941 days
201034 days
201152 days
201298 days
201367 days
201449 days
201561 days
201641 days
201737 days
201828 days
201928 days
202063 days
202133 days
202265 days
202336 days
202465 days
202562 days
202651 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Frost Dates and Growing Season

28 years with a frost

Across 28 years with a frost, the median last spring frost at Winner Wiley Fld falls on 8 May and the median first autumn frost on 8 October, which leaves a median of 160 days between them.

Fitted over all years, the growing season changes by +6.8 days per decade at this station.

Frost dates and growing season at Winner Wiley Fld
MeasureMedian, all yearsEarliest periodRecent period (1998 to 2025)Recent against earliestFitted trend
Last spring frost8 Mayn/a8 Mayn/a-3.4 days per decade
First autumn frost8 Octobern/a8 Octobern/a+3.3 days per decade
Growing days160 daysn/a160 daysn/a+6.8 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

  • Data for Winner Wiley Fld standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Winner Wiley Fld 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). Records are computed by this site and are not official.

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