Built 2026-10-18 (18 October 2026)

Oshkosh Wittman Rgnl AP Weather Records (USW00094855)

Record envelope, standing records and threshold days for Oshkosh Wittman Rgnl AP (USW00094855), Wisconsin, United States, with 31 years of record.

Key Facts for Oshkosh Wittman Rgnl AP

  • Oshkosh Wittman Rgnl AP (USW00094855) is a weather station in Wisconsin, United States at 43.99 latitude and -88.56 longitude, 239 m (785 ft) above sea level.
  • The station reports from 1996 to 2026, 31 years of record.
  • 1,464 records set at Oshkosh Wittman Rgnl AP still stand.
  • Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

  • Location: Wisconsin, United States, 43.99 latitude, -88.56 longitude.
  • Elevation: 239 m (785 ft).
  • Period of record: 1996 to 2026, 31 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

24 days at or beyond a record
Daily record high and record low at Oshkosh Wittman Rgnl AP, with 2026 drawn through them The band shows the record high and record low for each calendar day at Oshkosh Wittman Rgnl AP. The lines show the 2026 daily maximum and minimum. 24 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Oshkosh Wittman Rgnl AP. The lines show the 2026 daily maximum and minimum. 24 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Oshkosh Wittman Rgnl AP, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan12.8 C (55.0 F)-32.1 C (-25.8 F)12.8 C (55.0 F)-25.0 C (-13.0 F)
Feb22.8 C (73.0 F)-28.2 C (-18.8 F)11.1 C (52.0 F)-26.0 C (-14.8 F)
Mar27.8 C (82.0 F)-26.0 C (-14.8 F)22.2 C (72.0 F)-11.0 C (12.2 F)
Apr30.0 C (86.0 F)-10.5 C (13.1 F)26.7 C (80.1 F)-6.6 C (20.1 F)
May34.4 C (93.9 F)-3.9 C (25.0 F)27.2 C (81.0 F)1.1 C (34.0 F)
Jun35.6 C (96.1 F)1.7 C (35.1 F)33.9 C (93.0 F)3.9 C (39.0 F)
Jul37.8 C (100.0 F)6.7 C (44.1 F)32.2 C (90.0 F)10.6 C (51.1 F)
Aug36.7 C (98.1 F)5.6 C (42.1 F)32.2 C (90.0 F)8.3 C (46.9 F)
Sep34.4 C (93.9 F)-1.0 C (30.2 F)29.4 C (84.9 F)5.6 C (42.1 F)
Oct30.6 C (87.1 F)-5.5 C (22.1 F)30.6 C (87.1 F)-1.1 C (30.0 F)
Nov23.9 C (75.0 F)-18.9 C (-2.0 F)18.3 C (64.9 F)-10.0 C (14.0 F)
Dec18.3 C (64.9 F)-28.9 C (-20.0 F)5.0 C (41.0 F)-22.8 C (-9.0 F)

Which Years Hold Standing Records

1,464 standing records
Standing records at Oshkosh Wittman Rgnl AP by the year they were set 1,464 records at Oshkosh Wittman Rgnl AP still stand. 2012 holds the most, with 79. 0204060801996: 341997: 661998: 561999: 422000: 742001: 542002: 502003: 452004: 502005: 512006: 502007: 682008: 432009: 462010: 332011: 422012: 792013: 522014: 672015: 392016: 232017: 562018: 502019: 452020: 332021: 572022: 322023: 512024: 422025: 341996199920022005200820112014201720202023
1,464 records at Oshkosh Wittman Rgnl AP still stand. 2012 holds the most, with 79.
Standing records at Oshkosh Wittman Rgnl AP by the year they were set
Year setStanding records
199634
199766
199856
199942
200074
200154
200250
200345
200450
200551
200650
200768
200843
200946
201033
201142
201279
201352
201467
201539
201623
201756
201850
201945
202033
202157
202232
202351
202442
202534

Wettest Day of Each Month

Jun: 123.7 mm (4.9 in)
Record daily precipitation for each month at Oshkosh Wittman Rgnl AP The wettest day on record for each calendar month at Oshkosh Wittman Rgnl AP. The most was 123.7 mm (4.9 in) on 12 June 2008. 050100150 Jan: 24.6 mm (1.0 in), 29 January 2013 Jan Feb: 34.3 mm (1.4 in), 27 February 2023 Feb Mar: 50.0 mm (2.0 in), 24 March 2009 Mar Apr: 54.9 mm (2.2 in), 13 April 2014 Apr May: 78.0 mm (3.1 in), 3 May 2012 May Jun: 123.7 mm (4.9 in), 12 June 2008 Jun Jul: 90.2 mm (3.6 in), 14 July 2010 Jul Aug: 64.3 mm (2.5 in), 27 August 2018 Aug Sep: 57.9 mm (2.3 in), 20 September 2017 Sep Oct: 89.4 mm (3.5 in), 22 October 2020 Oct Nov: 51.1 mm (2.0 in), 23 November 2003 Nov Dec: 31.7 mm (1.2 in), 22 December 2006 Dec
The wettest day on record for each calendar month at Oshkosh Wittman Rgnl AP. The most was 123.7 mm (4.9 in) on 12 June 2008.
Record daily precipitation for each month at Oshkosh Wittman Rgnl AP
MonthRecord daily precipitation (mm)Date
Jan24.6 mm (1.0 in)29 January 2013
Feb34.3 mm (1.4 in)27 February 2023
Mar50.0 mm (2.0 in)24 March 2009
Apr54.9 mm (2.2 in)13 April 2014
May78.0 mm (3.1 in)3 May 2012
Jun123.7 mm (4.9 in)12 June 2008
Jul90.2 mm (3.6 in)14 July 2010
Aug64.3 mm (2.5 in)27 August 2018
Sep57.9 mm (2.3 in)20 September 2017
Oct89.4 mm (3.5 in)22 October 2020
Nov51.1 mm (2.0 in)23 November 2003
Dec31.7 mm (1.2 in)22 December 2006

Period of Record Coverage

1996 to 2025
Days with data per year at Oshkosh Wittman Rgnl AP 30 years of record at Oshkosh Wittman Rgnl AP, 1996 to 2025. 1 years have data for under 90 percent of days and are left out of rankings: 1996. 1996: 180 of 366 days1997: 362 of 365 days1998: 362 of 365 days1999: 364 of 365 days2000: 366 of 366 days2001: 364 of 365 days2002: 362 of 365 days2003: 365 of 365 days2004: 366 of 366 days2005: 364 of 365 days2006: 365 of 365 days2007: 364 of 365 days2008: 365 of 366 days2009: 365 of 365 days2010: 365 of 365 days2011: 365 of 365 days2012: 365 of 366 days2013: 365 of 365 days2014: 364 of 365 days2015: 365 of 365 days2016: 366 of 366 days2017: 365 of 365 days2018: 365 of 365 days2019: 364 of 365 days2020: 366 of 366 days2021: 362 of 365 days2022: 365 of 365 days2023: 365 of 365 days2024: 366 of 366 days2025: 364 of 365 days200020052010201520202025
30 years of record at Oshkosh Wittman Rgnl AP, 1996 to 2025. 1 years have data for under 90 percent of days and are left out of rankings: 1996.
Days with data per year at Oshkosh Wittman Rgnl AP
YearDays with dataShare of yearComplete
199618049%No
199736299%Yes
199836299%Yes
1999364100%Yes
2000366100%Yes
2001364100%Yes
200236299%Yes
2003365100%Yes
2004366100%Yes
2005364100%Yes
2006365100%Yes
2007364100%Yes
2008365100%Yes
2009365100%Yes
2010365100%Yes
2011365100%Yes
2012365100%Yes
2013365100%Yes
2014364100%Yes
2015365100%Yes
2016366100%Yes
2017365100%Yes
2018365100%Yes
2019364100%Yes
2020366100%Yes
202136299%Yes
2022365100%Yes
2023365100%Yes
2024366100%Yes
2025364100%Yes

Latest Records

0

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

Climate Trend

29 complete years, 1997 to 2025
Annual mean temperature at Oshkosh Wittman Rgnl AP as warming stripes, 1997 to 2025 One stripe for each of 29 complete years at Oshkosh Wittman Rgnl AP, 1997 to 2025. Blue stripes are years cooler than the station's own mean of 8.1 C (46.6 F); red stripes are warmer. The coolest year was 2014, at 6.1 C (43.0 F), and the warmest was 2024, at 10.2 C (50.4 F). The strongest colour marks a difference of 2.1 C (3.8 F). 1997: 6.6 C, -1.5 C from the station mean1998: 9.3 C, +1.2 C from the station mean1999: 8.3 C, +0.2 C from the station mean2000: 7.4 C, -0.8 C from the station mean2001: 8.4 C, +0.2 C from the station mean2002: 8.1 C, 0.0 C from the station mean2003: 7.1 C, -1.0 C from the station mean2004: 7.1 C, -1.0 C from the station mean2005: 8.4 C, +0.3 C from the station mean2006: 9.3 C, +1.2 C from the station mean2007: 8.2 C, +0.1 C from the station mean2008: 6.8 C, -1.4 C from the station mean2009: 7.2 C, -1.0 C from the station mean2010: 8.8 C, +0.7 C from the station mean2011: 7.9 C, -0.2 C from the station mean2012: 9.9 C, +1.8 C from the station mean2013: 6.9 C, -1.2 C from the station mean2014: 6.1 C, -2.0 C from the station mean2015: 8.4 C, +0.3 C from the station mean2016: 9.1 C, +1.0 C from the station mean2017: 8.5 C, +0.3 C from the station mean2018: 7.8 C, -0.4 C from the station mean2019: 7.0 C, -1.1 C from the station mean2020: 8.5 C, +0.4 C from the station mean2021: 9.1 C, +1.0 C from the station mean2022: 7.7 C, -0.4 C from the station mean2023: 9.5 C, +1.4 C from the station mean2024: 10.2 C, +2.1 C from the station mean2025: 8.0 C, -0.1 C from the station mean1997200020052010201520202025
One stripe for each of 29 complete years at Oshkosh Wittman Rgnl AP, 1997 to 2025. Blue stripes are years cooler than the station's own mean of 8.1 C (46.6 F); red stripes are warmer. The coolest year was 2014, at 6.1 C (43.0 F), and the warmest was 2024, at 10.2 C (50.4 F). The strongest colour marks a difference of 2.1 C (3.8 F).
Annual mean temperature at Oshkosh Wittman Rgnl AP as warming stripes, 1997 to 2025
YearAnnual mean temperatureDifference from the station mean
19976.6 C-1.54 C
19989.3 C+1.21 C
19998.3 C+0.17 C
20007.4 C-0.75 C
20018.4 C+0.23 C
20028.1 C-0.02 C
20037.1 C-1.03 C
20047.1 C-0.99 C
20058.4 C+0.31 C
20069.3 C+1.20 C
20078.2 C+0.09 C
20086.8 C-1.36 C
20097.2 C-0.96 C
20108.8 C+0.71 C
20117.9 C-0.19 C
20129.9 C+1.76 C
20136.9 C-1.19 C
20146.1 C-2.02 C
20158.4 C+0.30 C
20169.1 C+0.96 C
20178.5 C+0.33 C
20187.8 C-0.37 C
20197.0 C-1.12 C
20208.5 C+0.36 C
20219.1 C+0.96 C
20227.7 C-0.40 C
20239.5 C+1.40 C
202410.2 C+2.10 C
20258.0 C-0.12 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

1996 to 2026
Yearly extremes at Oshkosh Wittman Rgnl AP: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)37.8 C (100.0 F)201233.9 C (93.0 F)31
Coldest night (TNn)-32.1 C (-25.8 F)2019-25.6 C (-14.1 F)31
Wettest day (Rx1day)123.7 mm (4.9 in)200852.1 mm (2.1 in)29
Wettest five days (Rx5day)219.2 mm (8.6 in)200874.7 mm (2.9 in)29
Longest dry spell (CDD)42 days201519 days29

Hottest day (TXx)

Hottest day (TXx) at Oshkosh Wittman Rgnl AP by year The hottest day of the year at Oshkosh Wittman Rgnl AP, 1996 to 2026. The record is 37.8 C (100.0 F) in 2012, marked on the chart; the median year is 33.9 C (93.0 F). 3032343638200020052010201520202025Record: 37.8 C (100.0 F) in 2012
The hottest day of the year at Oshkosh Wittman Rgnl AP, 1996 to 2026. The record is 37.8 C (100.0 F) in 2012, marked on the chart; the median year is 33.9 C (93.0 F).
Hottest day (TXx) at Oshkosh Wittman Rgnl AP by year
YearHottest day (TXx)
199632.2 C (90.0 F)
199732.8 C (91.0 F)
199832.8 C (91.0 F)
199935.6 C (96.1 F)
200032.2 C (90.0 F)
200134.4 C (93.9 F)
200235.6 C (96.1 F)
200333.9 C (93.0 F)
200430.6 C (87.1 F)
200536.1 C (97.0 F)
200636.1 C (97.0 F)
200735.0 C (95.0 F)
200832.8 C (91.0 F)
200935.0 C (95.0 F)
201033.3 C (91.9 F)
201135.6 C (96.1 F)
201237.8 C (100.0 F)
201333.9 C (93.0 F)
201432.8 C (91.0 F)
201532.8 C (91.0 F)
201632.2 C (90.0 F)
201732.2 C (90.0 F)
201834.4 C (93.9 F)
201932.2 C (90.0 F)
202032.8 C (91.0 F)
202133.9 C (93.0 F)
202234.4 C (93.9 F)
202336.7 C (98.1 F)
202432.8 C (91.0 F)
202533.9 C (93.0 F)
202634.4 C (93.9 F)

Coldest night (TNn)

Coldest night (TNn) at Oshkosh Wittman Rgnl AP by year The coldest night of the year at Oshkosh Wittman Rgnl AP, 1996 to 2026. The record is -32.1 C (-25.8 F) in 2019, marked on the chart; the median year is -25.6 C (-14.1 F). -35-30-25-20200020052010201520202025Record: -32.1 C (-25.8 F) in 2019
The coldest night of the year at Oshkosh Wittman Rgnl AP, 1996 to 2026. The record is -32.1 C (-25.8 F) in 2019, marked on the chart; the median year is -25.6 C (-14.1 F).
Coldest night (TNn) at Oshkosh Wittman Rgnl AP by year
YearColdest night (TNn)
1996-25.6 C (-14.1 F)
1997-24.4 C (-11.9 F)
1998-23.9 C (-11.0 F)
1999-28.3 C (-18.9 F)
2000-28.9 C (-20.0 F)
2001-20.6 C (-5.1 F)
2002-23.3 C (-9.9 F)
2003-24.4 C (-11.9 F)
2004-26.7 C (-16.1 F)
2005-23.9 C (-11.0 F)
2006-27.1 C (-16.8 F)
2007-26.6 C (-15.9 F)
2008-28.2 C (-18.8 F)
2009-27.7 C (-17.9 F)
2010-23.8 C (-10.8 F)
2011-27.7 C (-17.9 F)
2012-24.9 C (-12.8 F)
2013-25.5 C (-13.9 F)
2014-28.2 C (-18.8 F)
2015-24.3 C (-11.7 F)
2016-25.5 C (-13.9 F)
2017-23.2 C (-9.8 F)
2018-26.0 C (-14.8 F)
2019-32.1 C (-25.8 F)
2020-24.9 C (-12.8 F)
2021-26.0 C (-14.8 F)
2022-27.7 C (-17.9 F)
2023-23.2 C (-9.8 F)
2024-22.7 C (-8.9 F)
2025-26.0 C (-14.8 F)
2026-28.3 C (-18.9 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Oshkosh Wittman Rgnl AP by year The wettest day of the year at Oshkosh Wittman Rgnl AP, 1996 to 2026. The record is 123.7 mm (4.9 in) in 2008, marked on the chart; the median year is 52.1 mm (2.1 in). 255075100125200020052010201520202025Record: 123.7 mm (4.9 in) in 2008
The wettest day of the year at Oshkosh Wittman Rgnl AP, 1996 to 2026. The record is 123.7 mm (4.9 in) in 2008, marked on the chart; the median year is 52.1 mm (2.1 in).
Wettest day (Rx1day) at Oshkosh Wittman Rgnl AP by year
YearWettest day (Rx1day)
1996n/a
1997n/a
199848.8 mm (1.9 in)
199949.5 mm (1.9 in)
200048.3 mm (1.9 in)
200129.2 mm (1.1 in)
200241.7 mm (1.6 in)
200351.1 mm (2.0 in)
200486.9 mm (3.4 in)
200554.1 mm (2.1 in)
200639.9 mm (1.6 in)
200741.4 mm (1.6 in)
2008123.7 mm (4.9 in)
200950.0 mm (2.0 in)
201090.2 mm (3.6 in)
201139.1 mm (1.5 in)
201278.0 mm (3.1 in)
201341.9 mm (1.6 in)
201464.0 mm (2.5 in)
201535.6 mm (1.4 in)
201656.9 mm (2.2 in)
201770.9 mm (2.8 in)
201864.3 mm (2.5 in)
201970.1 mm (2.8 in)
202089.4 mm (3.5 in)
202167.6 mm (2.7 in)
202251.8 mm (2.0 in)
202342.4 mm (1.7 in)
202465.5 mm (2.6 in)
202552.1 mm (2.1 in)
202674.9 mm (2.9 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Oshkosh Wittman Rgnl AP by year The wettest five days of the year at Oshkosh Wittman Rgnl AP, 1996 to 2026. The record is 219.2 mm (8.6 in) in 2008, marked on the chart; the median year is 74.7 mm (2.9 in). 050100150200250200020052010201520202025Record: 219.2 mm (8.6 in) in 2008
The wettest five days of the year at Oshkosh Wittman Rgnl AP, 1996 to 2026. The record is 219.2 mm (8.6 in) in 2008, marked on the chart; the median year is 74.7 mm (2.9 in).
Wettest five days (Rx5day) at Oshkosh Wittman Rgnl AP by year
YearWettest five days (Rx5day)
1996n/a
1997n/a
199855.6 mm (2.2 in)
199972.1 mm (2.8 in)
200073.0 mm (2.9 in)
200148.8 mm (1.9 in)
200254.9 mm (2.2 in)
200374.7 mm (2.9 in)
2004127.7 mm (5.0 in)
200569.6 mm (2.7 in)
200672.2 mm (2.8 in)
2007101.4 mm (4.0 in)
2008219.2 mm (8.6 in)
200952.8 mm (2.1 in)
2010134.7 mm (5.3 in)
201153.4 mm (2.1 in)
2012115.9 mm (4.6 in)
201369.1 mm (2.7 in)
2014112.3 mm (4.4 in)
201563.8 mm (2.5 in)
201666.3 mm (2.6 in)
2017110.2 mm (4.3 in)
2018151.0 mm (5.9 in)
201992.7 mm (3.6 in)
2020115.6 mm (4.6 in)
202186.4 mm (3.4 in)
202279.0 mm (3.1 in)
202354.0 mm (2.1 in)
202483.3 mm (3.3 in)
202562.8 mm (2.5 in)
2026103.3 mm (4.1 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Oshkosh Wittman Rgnl AP by year The longest dry spell of the year at Oshkosh Wittman Rgnl AP, 1996 to 2026. The record is 42 days in 2015, marked on the chart; the median year is 19 days. 1020304050200020052010201520202025Record: 42 days in 2015
The longest dry spell of the year at Oshkosh Wittman Rgnl AP, 1996 to 2026. The record is 42 days in 2015, marked on the chart; the median year is 19 days.
Longest dry spell (CDD) at Oshkosh Wittman Rgnl AP by year
YearLongest dry spell (CDD)
1996n/a
1997n/a
199813 days
199935 days
200021 days
200116 days
200228 days
200340 days
200424 days
200519 days
200617 days
200733 days
200821 days
200927 days
201023 days
201122 days
201218 days
201318 days
201415 days
201542 days
201615 days
201716 days
201818 days
201917 days
202017 days
202120 days
202214 days
202312 days
202420 days
202538 days
202618 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

29 years with a frost

Across 29 years with a frost, the median last spring frost at Oshkosh Wittman Rgnl AP falls on 30 April and the median first autumn frost on 14 October, which leaves a median of 162 days between them.

Fitted over all years, the growing season changes by +6.2 days per decade at this station.

Frost dates and growing season at Oshkosh Wittman Rgnl AP
MeasureMedian, all yearsEarliest periodRecent period (1997 to 2025)Recent against earliestFitted trend
Last spring frost30 Apriln/a30 Apriln/a-2.0 days per decade
First autumn frost14 Octobern/a14 Octobern/a+4.2 days per decade
Growing days162 daysn/a162 daysn/a+6.2 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 Oshkosh Wittman Rgnl AP standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Oshkosh Wittman Rgnl AP 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). Records are computed by this site and are not official.

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