Built 2026-10-14 (14 October 2026)

Superior Weather Records (USC00258320)

Record envelope, standing records and threshold days for Superior (USC00258320), Nebraska, United States, with 134 years of record.

Key Facts for Superior

  • Superior (USC00258320) is a weather station in Nebraska, United States at 40.03 latitude and -98.08 longitude, 461 m (1,512 ft) above sea level.
  • The station reports from 1893 to 2026, 134 years of record.
  • 1,464 records set at Superior still stand.
  • Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
  • Superior tied a daily record high maximum temperature of 32.2 C (90.0 F) on 10 October 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

  • Location: Nebraska, United States, 40.03 latitude, -98.08 longitude.
  • Elevation: 461 m (1,512 ft).
  • Period of record: 1893 to 2026, 134 years.
  • Eligible elements: tmax, tmin, prcp, snow, snwd.

Daily Record Envelope and 2026

19 days at or beyond a record
Daily record high and record low at Superior, with 2026 drawn through them The band shows the record high and record low for each calendar day at Superior. The lines show the 2026 daily maximum and minimum. 19 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 Superior. The lines show the 2026 daily maximum and minimum. 19 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Superior, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan25.6 C (78.1 F)-31.7 C (-25.1 F)18.9 C (66.0 F)-27.8 C (-18.0 F)
Feb28.3 C (82.9 F)-36.1 C (-33.0 F)26.1 C (79.0 F)-20.6 C (-5.1 F)
Mar38.3 C (100.9 F)-23.3 C (-9.9 F)36.7 C (98.1 F)-13.9 C (7.0 F)
Apr37.2 C (99.0 F)-15.0 C (5.0 F)32.8 C (91.0 F)-3.3 C (26.1 F)
May38.9 C (102.0 F)-6.7 C (19.9 F)35.6 C (96.1 F)-2.2 C (28.0 F)
Jun42.2 C (108.0 F)3.3 C (37.9 F)36.1 C (97.0 F)8.9 C (48.0 F)
Jul44.4 C (111.9 F)6.7 C (44.1 F)38.9 C (102.0 F)16.1 C (61.0 F)
Aug43.3 C (109.9 F)5.0 C (41.0 F)40.6 C (105.1 F)13.3 C (55.9 F)
Sep41.1 C (106.0 F)-3.9 C (25.0 F)39.4 C (102.9 F)13.3 C (55.9 F)
Oct36.1 C (97.0 F)-11.1 C (12.0 F)32.2 C (90.0 F)5.6 C (42.1 F)
Nov30.0 C (86.0 F)-21.7 C (-7.1 F)n/an/a
Dec26.1 C (79.0 F)-34.4 C (-29.9 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Superior by the year they were set 1,464 records at Superior still stand. 1905 holds the most, with 44. 02040601902: 331903: 251904: 81905: 441906: 251907: 381908: 171909: 71914: 121915: 211916: 131921: 441922: 21931: 101932: 41933: 81934: 191935: 31936: 41937: 71938: 51939: 31940: 31948: 11964: 51965: 51966: 141967: 191968: 141969: 81970: 231971: 111972: 171973: 81974: 131975: 181976: 121977: 111978: 131979: 191980: 161981: 161982: 111983: 341984: 201985: 221986: 151987: 221988: 131989: 291990: 251991: 311992: 221993: 131994: 181995: 191996: 181997: 261998: 221999: 222000: 362001: 132002: 152003: 182004: 162005: 142006: 202007: 62008: 52009: 132010: 72011: 132012: 192013: 192014: 272015: 202016: 102017: 252018: 232019: 122020: 202021: 282022: 312023: 132024: 192025: 222026: 201902191519361967197619851994200320122021
1,464 records at Superior still stand. 1905 holds the most, with 44.
Standing records at Superior by the year they were set
Year setStanding records
190233
190325
19048
190544
190625
190738
190817
19097
191412
191521
191613
192144
19222
193110
19324
19338
193419
19353
19364
19377
19385
19393
19403
19481
19645
19655
196614
196719
196814
19698
197023
197111
197217
19738
197413
197518
197612
197711
197813
197919
198016
198116
198211
198334
198420
198522
198615
198722
198813
198929
199025
199131
199222
199313
199418
199519
199618
199726
199822
199922
200036
200113
200215
200318
200416
200514
200620
20076
20085
200913
20107
201113
201219
201319
201427
201520
201610
201725
201823
201912
202020
202128
202231
202313
202419
202522
202620

All-Time Record Progression

6 new records
When Superior set new all-time records 6 all-time records were set at Superior between 2 June 1941 and 16 February 2021. Each dot is a new record. Record daily precipitationRecord daily snowfallRecord low minimum temperature2 June 1941: Record daily precipitation 102.6 mm (4.0 in)3 September 1953: Record daily precipitation 109.0 mm (4.3 in)19 December 1968: Record daily snowfall 34.8 cm (13.7 in)3 September 1973: Record daily precipitation 131.6 mm (5.2 in)7 May 2015: Record daily precipitation 181.1 mm (7.1 in)16 February 2021: Record low minimum temperature -36.1 C (-33.0 F)19501965198019952010
6 all-time records were set at Superior between 2 June 1941 and 16 February 2021. Each dot is a new record.
When Superior set new all-time records
DateKindDetail
1941-06-02Record daily precipitationRecord daily precipitation 102.6 mm (4.0 in)
1953-09-03Record daily precipitationRecord daily precipitation 109.0 mm (4.3 in)
1968-12-19Record daily snowfallRecord daily snowfall 34.8 cm (13.7 in)
1973-09-03Record daily precipitationRecord daily precipitation 131.6 mm (5.2 in)
2015-05-07Record daily precipitationRecord daily precipitation 181.1 mm (7.1 in)
2021-02-16Record low minimum temperatureRecord low minimum temperature -36.1 C (-33.0 F)

Wettest Day of Each Month

May: 181.1 mm (7.1 in)
Record daily precipitation for each month at Superior The wettest day on record for each calendar month at Superior. The most was 181.1 mm (7.1 in) on 7 May 2015. 050100150200 Jan: 30.5 mm (1.2 in), 5 January 1932 Jan Feb: 35.1 mm (1.4 in), 27 February 1958 Feb Mar: 78.7 mm (3.1 in), 17 March 1987 Mar Apr: 79.5 mm (3.1 in), 14 April 1987 Apr May: 181.1 mm (7.1 in), 7 May 2015 May Jun: 111.8 mm (4.4 in), 24 June 1997 Jun Jul: 97.8 mm (3.9 in), 1 July 2022 Jul Aug: 95.3 mm (3.8 in), 3 August 1912 Aug Sep: 131.6 mm (5.2 in), 3 September 1973 Sep Oct: 77.2 mm (3.0 in), 10 October 1949 Oct Nov: 125.7 mm (4.9 in), 16 November 1996 Nov Dec: 36.3 mm (1.4 in), 14 December 2015 Dec
The wettest day on record for each calendar month at Superior. The most was 181.1 mm (7.1 in) on 7 May 2015.
Record daily precipitation for each month at Superior
MonthRecord daily precipitation (mm)Date
Jan30.5 mm (1.2 in)5 January 1932
Feb35.1 mm (1.4 in)27 February 1958
Mar78.7 mm (3.1 in)17 March 1987
Apr79.5 mm (3.1 in)14 April 1987
May181.1 mm (7.1 in)7 May 2015
Jun111.8 mm (4.4 in)24 June 1997
Jul97.8 mm (3.9 in)1 July 2022
Aug95.3 mm (3.8 in)3 August 1912
Sep131.6 mm (5.2 in)3 September 1973
Oct77.2 mm (3.0 in)10 October 1949
Nov125.7 mm (4.9 in)16 November 1996
Dec36.3 mm (1.4 in)14 December 2015

Period of Record Coverage

1902 to 2026
Days with data per year at Superior 86 years of record at Superior, 1902 to 2026. 25 years have data for under 90 percent of days and are left out of rankings: 1905, 1908, 1909, 1914, 1915, 1916, 1921, 1922 and others. 1902: 331 of 365 days1903: 363 of 365 days1904: 365 of 366 days1905: 296 of 365 days1906: 332 of 365 days1907: 338 of 365 days1908: 314 of 366 days1909: 108 of 365 days1914: 215 of 365 days1915: 307 of 365 days1916: 237 of 366 days1921: 306 of 365 days1922: 56 of 365 days1931: 24 of 365 days1932: 31 of 366 days1933: 15 of 365 days1934: 24 of 365 days1935: 9 of 365 days1936: 22 of 366 days1937: 46 of 365 days1938: 12 of 365 days1939: 7 of 365 days1948: 2 of 366 days1964: 31 of 366 days1965: 153 of 365 days1966: 365 of 365 days1967: 365 of 365 days1968: 366 of 366 days1969: 365 of 365 days1970: 365 of 365 days1971: 365 of 365 days1972: 366 of 366 days1973: 365 of 365 days1974: 365 of 365 days1975: 365 of 365 days1976: 365 of 366 days1977: 365 of 365 days1978: 365 of 365 days1979: 365 of 365 days1980: 366 of 366 days1981: 365 of 365 days1982: 365 of 365 days1983: 365 of 365 days1984: 366 of 366 days1985: 365 of 365 days1986: 364 of 365 days1987: 365 of 365 days1988: 364 of 366 days1989: 365 of 365 days1990: 365 of 365 days1991: 365 of 365 days1992: 366 of 366 days1993: 364 of 365 days1994: 358 of 365 days1995: 365 of 365 days1996: 366 of 366 days1997: 365 of 365 days1998: 365 of 365 days1999: 365 of 365 days2000: 362 of 366 days2001: 364 of 365 days2002: 362 of 365 days2003: 364 of 365 days2004: 359 of 366 days2005: 363 of 365 days2006: 365 of 365 days2007: 362 of 365 days2008: 366 of 366 days2009: 365 of 365 days2010: 365 of 365 days2011: 364 of 365 days2012: 269 of 366 days2013: 365 of 365 days2014: 356 of 365 days2015: 355 of 365 days2016: 324 of 366 days2017: 363 of 365 days2018: 361 of 365 days2019: 211 of 365 days2020: 272 of 366 days2021: 365 of 365 days2022: 365 of 365 days2023: 356 of 365 days2024: 366 of 366 days2025: 365 of 365 days2026: 282 of 365 days1905193519651980199520102025
86 years of record at Superior, 1902 to 2026. 25 years have data for under 90 percent of days and are left out of rankings: 1905, 1908, 1909, 1914, 1915, 1916, 1921, 1922 and others.
Days with data per year at Superior
YearDays with dataShare of yearComplete
190233191%Yes
190336399%Yes
1904365100%Yes
190529681%No
190633291%Yes
190733893%Yes
190831486%No
190910830%No
191421559%No
191530784%No
191623765%No
192130684%No
19225615%No
1931247%No
1932318%No
1933154%No
1934247%No
193592%No
1936226%No
19374613%No
1938123%No
193972%No
194821%No
1964318%No
196515342%No
1966365100%Yes
1967365100%Yes
1968366100%Yes
1969365100%Yes
1970365100%Yes
1971365100%Yes
1972366100%Yes
1973365100%Yes
1974365100%Yes
1975365100%Yes
1976365100%Yes
1977365100%Yes
1978365100%Yes
1979365100%Yes
1980366100%Yes
1981365100%Yes
1982365100%Yes
1983365100%Yes
1984366100%Yes
1985365100%Yes
1986364100%Yes
1987365100%Yes
198836499%Yes
1989365100%Yes
1990365100%Yes
1991365100%Yes
1992366100%Yes
1993364100%Yes
199435898%Yes
1995365100%Yes
1996366100%Yes
1997365100%Yes
1998365100%Yes
1999365100%Yes
200036299%Yes
2001364100%Yes
200236299%Yes
2003364100%Yes
200435998%Yes
200536399%Yes
2006365100%Yes
200736299%Yes
2008366100%Yes
2009365100%Yes
2010365100%Yes
2011364100%Yes
201226973%No
2013365100%Yes
201435698%Yes
201535597%Yes
201632489%No
201736399%Yes
201836199%Yes
201921158%No
202027274%No
2021365100%Yes
2022365100%Yes
202335698%Yes
2024366100%Yes
2025365100%Yes
202628277%No

Latest Records

20
Latest records at Superior
DateStationRecordValueBeat old record byOld record stoodSignificance
10 October 2026Superior, USdaily high max (Tie, Provisional)32.2 C (90.0 F)tie5 years2 of 100 (Routine)
7 October 2026Superior, USdaily high max (Tie, Provisional)31.1 C (88.0 F)tie45 years5 of 100 (Routine)
1 October 2026Superior, USmonthly rain (Provisional)87.6 mm (3.4 in)10.4 mm (0.4 in)76 years50 of 100 (Notable)
25 September 2026Superior, USdaily rain (Provisional)77.5 mm (3.1 in)29.2 mm (1.1 in)91 years55 of 100 (Notable)
19 September 2026Superior, USdaily high max (Provisional)37.2 C (99.0 F)0.5 C (0.9 F)104 years40 of 100 (Notable)
9 September 2026Superior, USdaily high max (Provisional)39.4 C (102.9 F)1.1 C (2.0 F)12 years14 of 100 (Routine)
4 September 2026Superior, USdaily high max (Tie, Provisional)39.4 C (102.9 F)tie104 years10 of 100 (Routine)
3 September 2026Superior, USdaily high min (Provisional)21.7 C (71.1 F)0.6 C (1.1 F)55 years27 of 100 (Routine)
22 August 2026Superior, USdaily rain (Tie, Provisional)26.7 mm (1.1 in)tie28 years4 of 100 (Routine)
12 August 2026Superior, USdaily high max40.6 C (105.1 F)0.6 C (1.1 F)25 years18 of 100 (Routine)
6 August 2026Superior, USdaily low max21.1 C (70.0 F)1.7 C (3.1 F)52 years29 of 100 (Routine)
5 August 2026Superior, USdaily low max21.7 C (71.1 F)1.6 C (2.9 F)5 years14 of 100 (Routine)
29 June 2026Superior, USdaily high min25.0 C (77.0 F)0.6 C (1.1 F)56 years28 of 100 (Routine)
26 June 2026Superior, USdaily low max (Tie)21.1 C (70.0 F)tie88 years9 of 100 (Routine)
4 June 2026Superior, USdaily rain40.1 mm (1.6 in)12.4 mm (0.5 in)11 years21 of 100 (Routine)
16 May 2026Superior, USdaily high max35.6 C (96.1 F)1.7 C (3.1 F)117 years43 of 100 (Notable)
13 April 2026Superior, USdaily high min16.7 C (62.1 F)2.8 C (5.0 F)59 years32 of 100 (Routine)
26 March 2026Superior, USdaily high max35.6 C (96.1 F)3.9 C (7.0 F)119 years44 of 100 (Notable)
22 March 2026Superior, USdaily high max36.7 C (98.1 F)7.3 C (13.1 F)119 years48 of 100 (Notable)
20 March 2026Superior, USdaily high max30.6 C (87.1 F)1.2 C (2.2 F)8 years13 of 100 (Routine)

Climate Trend

57 complete years, 1903 to 2025
Annual mean temperature at Superior as warming stripes, 1903 to 2025 One stripe for each of 57 complete years at Superior, 1903 to 2025. Blue stripes are years cooler than the station's own mean of 11.5 C (52.6 F); red stripes are warmer. The coolest year was 1903, at 9.7 C (49.4 F), and the warmest was 1998, at 12.9 C (55.3 F). The strongest colour marks a difference of 1.8 C (3.2 F). 1903: 9.7 C, -1.8 C from the station mean1904: 9.7 C, -1.7 C from the station mean1966: 10.9 C, -0.5 C from the station mean1967: 11.0 C, -0.4 C from the station mean1968: 11.0 C, -0.4 C from the station mean1969: 10.5 C, -1.0 C from the station mean1970: 11.6 C, +0.1 C from the station mean1971: 11.3 C, -0.1 C from the station mean1972: 10.9 C, -0.5 C from the station mean1973: 11.5 C, 0.0 C from the station mean1974: 11.9 C, +0.5 C from the station mean1975: 11.4 C, -0.1 C from the station mean1976: 11.8 C, +0.3 C from the station mean1977: 12.5 C, +1.0 C from the station mean1978: 10.5 C, -0.9 C from the station mean1979: 10.4 C, -1.0 C from the station mean1980: 12.0 C, +0.5 C from the station mean1981: 12.5 C, +1.0 C from the station mean1982: 10.7 C, -0.8 C from the station mean1983: 11.2 C, -0.3 C from the station mean1984: 11.8 C, +0.3 C from the station mean1985: 10.5 C, -1.0 C from the station mean1986: 12.7 C, +1.3 C from the station mean1987: 12.9 C, +1.4 C from the station mean1988: 12.4 C, +0.9 C from the station mean1989: 11.3 C, -0.2 C from the station mean1990: 12.6 C, +1.1 C from the station mean1991: 12.7 C, +1.3 C from the station mean1992: 11.9 C, +0.4 C from the station mean1993: 10.3 C, -1.1 C from the station mean1994: 12.1 C, +0.6 C from the station mean1995: 11.7 C, +0.3 C from the station mean1996: 10.9 C, -0.6 C from the station mean1997: 11.6 C, +0.1 C from the station mean1998: 12.9 C, +1.5 C from the station mean1999: 12.9 C, +1.5 C from the station mean2000: 12.8 C, +1.3 C from the station mean2001: 12.6 C, +1.1 C from the station mean2002: 12.6 C, +1.1 C from the station mean2003: 12.0 C, +0.5 C from the station mean2004: 11.8 C, +0.3 C from the station mean2005: 11.6 C, +0.2 C from the station mean2006: 11.9 C, +0.4 C from the station mean2007: 11.1 C, -0.4 C from the station mean2008: 9.7 C, -1.7 C from the station mean2009: 10.0 C, -1.5 C from the station mean2010: 11.1 C, -0.3 C from the station mean2011: 10.7 C, -0.7 C from the station mean2013: 10.9 C, -0.6 C from the station mean2014: 10.4 C, -1.1 C from the station mean2015: 11.5 C, 0.0 C from the station mean2017: 11.6 C, +0.1 C from the station mean2021: 11.4 C, 0.0 C from the station mean2022: 10.4 C, -1.1 C from the station mean2023: 11.4 C, -0.1 C from the station mean2024: 11.9 C, +0.4 C from the station mean2025: 11.6 C, +0.2 C from the station mean1903191019201930194019501960197019801990200020102020
One stripe for each of 57 complete years at Superior, 1903 to 2025. Blue stripes are years cooler than the station's own mean of 11.5 C (52.6 F); red stripes are warmer. The coolest year was 1903, at 9.7 C (49.4 F), and the warmest was 1998, at 12.9 C (55.3 F). The strongest colour marks a difference of 1.8 C (3.2 F).
Annual mean temperature at Superior as warming stripes, 1903 to 2025
YearAnnual mean temperatureDifference from the station mean
19039.7 C-1.76 C
19049.7 C-1.71 C
196610.9 C-0.51 C
196711.0 C-0.42 C
196811.0 C-0.43 C
196910.5 C-0.98 C
197011.6 C+0.12 C
197111.3 C-0.12 C
197210.9 C-0.53 C
197311.5 C+0.05 C
197411.9 C+0.49 C
197511.4 C-0.09 C
197611.8 C+0.34 C
197712.5 C+1.04 C
197810.5 C-0.94 C
197910.4 C-1.01 C
198012.0 C+0.54 C
198112.5 C+1.01 C
198210.7 C-0.79 C
198311.2 C-0.29 C
198411.8 C+0.30 C
198510.5 C-0.98 C
198612.7 C+1.29 C
198712.9 C+1.42 C
198812.4 C+0.92 C
198911.3 C-0.16 C
199012.6 C+1.12 C
199112.7 C+1.27 C
199211.9 C+0.42 C
199310.3 C-1.14 C
199412.1 C+0.65 C
199511.7 C+0.26 C
199610.9 C-0.58 C
199711.6 C+0.14 C
199812.9 C+1.48 C
199912.9 C+1.47 C
200012.8 C+1.31 C
200112.6 C+1.13 C
200212.6 C+1.10 C
200312.0 C+0.53 C
200411.8 C+0.32 C
200511.6 C+0.18 C
200611.9 C+0.40 C
200711.1 C-0.39 C
20089.7 C-1.74 C
200910.0 C-1.49 C
201011.1 C-0.33 C
201110.7 C-0.71 C
201310.9 C-0.55 C
201410.4 C-1.09 C
201511.5 C+0.02 C
201711.6 C+0.15 C
202111.4 C-0.03 C
202210.4 C-1.05 C
202311.4 C-0.07 C
202411.9 C+0.45 C
202511.6 C+0.18 C

The fitted trend in annual mean temperature here over 1903 to 2025 is 0.09 C (0.00 to 0.19) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: 0.17 F (0.00 to 0.34) per decade. The slope is a straight line fitted to 57 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Superior
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.09 C (0.00 to 0.19) per decade0.17 F (0.00 to 0.34) per decade1903 to 202557Not clearly different from zero
Mean daily maximum0.2 C (0.1 to 0.3) per decade0.3 F (0.2 to 0.5) per decade1903 to 202557Rise
Mean daily minimum0.00 C (-0.13 to 0.12) per decade-0.01 F (-0.23 to 0.22) per decade1903 to 202557Not clearly different from zero

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

1893 to 2026
Yearly extremes at Superior: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)44.4 C (111.9 F)193939.4 C (102.9 F)86
Coldest night (TNn)-36.1 C (-33.0 F)2021-23.9 C (-11.0 F)87
Wettest day (Rx1day)181.1 mm (7.1 in)201559.3 mm (2.3 in)122
Wettest five days (Rx5day)210.1 mm (8.3 in)201583.3 mm (3.3 in)122
Longest dry spell (CDD)123 days189334 days122

Hottest day (TXx)

Hottest day (TXx) at Superior by year The hottest day of the year at Superior, 1893 to 2026. The record is 44.4 C (111.9 F) in 1939, marked on the chart; the median year is 39.4 C (102.9 F). 010203040501900192019401960198020002020Record: 44.4 C (111.9 F) in 1939
The hottest day of the year at Superior, 1893 to 2026. The record is 44.4 C (111.9 F) in 1939, marked on the chart; the median year is 39.4 C (102.9 F).
Hottest day (TXx) at Superior by year
YearHottest day (TXx)
1893n/a
1894n/a
1895n/a
1896n/a
1897n/a
1898n/a
1899n/a
1900n/a
1901n/a
190239.4 C (102.9 F)
190338.9 C (102.0 F)
190437.2 C (99.0 F)
190537.8 C (100.0 F)
190638.9 C (102.0 F)
190740.0 C (104.0 F)
190836.7 C (98.1 F)
190935.6 C (96.1 F)
1910n/a
1911n/a
1912n/a
1913n/a
191440.0 C (104.0 F)
191534.4 C (93.9 F)
191640.0 C (104.0 F)
192140.6 C (105.1 F)
192224.4 C (75.9 F)
193143.3 C (109.9 F)
193242.2 C (108.0 F)
193340.0 C (104.0 F)
193443.3 C (109.9 F)
193540.6 C (105.1 F)
193643.3 C (109.9 F)
193741.1 C (106.0 F)
193840.6 C (105.1 F)
193944.4 C (111.9 F)
1940n/a
1941n/a
1942n/a
1943n/a
1944n/a
1945n/a
1946n/a
1947n/a
19484.4 C (39.9 F)
1949n/a
1950n/a
1951n/a
1952n/a
1953n/a
1954n/a
1955n/a
1956n/a
1957n/a
1958n/a
1959n/a
1960n/a
1961n/a
1962n/a
1963n/a
196421.7 C (71.1 F)
196537.2 C (99.0 F)
196641.1 C (106.0 F)
196737.2 C (99.0 F)
196838.3 C (100.9 F)
196941.1 C (106.0 F)
197040.0 C (104.0 F)
197138.9 C (102.0 F)
197236.1 C (97.0 F)
197338.9 C (102.0 F)
197440.0 C (104.0 F)
197537.2 C (99.0 F)
197638.9 C (102.0 F)
197739.4 C (102.9 F)
197838.9 C (102.0 F)
197938.3 C (100.9 F)
198041.1 C (106.0 F)
198138.3 C (100.9 F)
198237.8 C (100.0 F)
198341.1 C (106.0 F)
198441.1 C (106.0 F)
198540.6 C (105.1 F)
198638.9 C (102.0 F)
198740.6 C (105.1 F)
198841.1 C (106.0 F)
198938.9 C (102.0 F)
199041.7 C (107.1 F)
199141.1 C (106.0 F)
199234.4 C (93.9 F)
199337.2 C (99.0 F)
199437.2 C (99.0 F)
199541.7 C (107.1 F)
199637.8 C (100.0 F)
199739.4 C (102.9 F)
199840.0 C (104.0 F)
199940.0 C (104.0 F)
200042.2 C (108.0 F)
200140.6 C (105.1 F)
200240.6 C (105.1 F)
200341.1 C (106.0 F)
200438.3 C (100.9 F)
200539.4 C (102.9 F)
200641.1 C (106.0 F)
200738.9 C (102.0 F)
200837.8 C (100.0 F)
200938.3 C (100.9 F)
201040.6 C (105.1 F)
201141.1 C (106.0 F)
201241.7 C (107.1 F)
201339.4 C (102.9 F)
201440.0 C (104.0 F)
201538.3 C (100.9 F)
201637.8 C (100.0 F)
201738.3 C (100.9 F)
201837.8 C (100.0 F)
201938.3 C (100.9 F)
202035.6 C (96.1 F)
202138.9 C (102.0 F)
202238.9 C (102.0 F)
202341.7 C (107.1 F)
202441.1 C (106.0 F)
202537.2 C (99.0 F)
202640.6 C (105.1 F)

Coldest night (TNn)

Coldest night (TNn) at Superior by year The coldest night of the year at Superior, 1893 to 2026. The record is -36.1 C (-33.0 F) in 2021, marked on the chart; the median year is -23.9 C (-11.0 F). -40-30-20-1001900192019401960198020002020Record: -36.1 C (-33.0 F) in 2021
The coldest night of the year at Superior, 1893 to 2026. The record is -36.1 C (-33.0 F) in 2021, marked on the chart; the median year is -23.9 C (-11.0 F).
Coldest night (TNn) at Superior by year
YearColdest night (TNn)
1893n/a
1894n/a
1895n/a
1896n/a
1897n/a
1898n/a
1899n/a
1900n/a
1901n/a
1902-30.0 C (-22.0 F)
1903-26.1 C (-15.0 F)
1904-24.4 C (-11.9 F)
1905-35.0 C (-31.0 F)
1906-21.7 C (-7.1 F)
1907-21.7 C (-7.1 F)
1908-21.7 C (-7.1 F)
1909-22.8 C (-9.0 F)
1910n/a
1911n/a
1912n/a
1913n/a
1914-25.0 C (-13.0 F)
1915-27.8 C (-18.0 F)
1916-27.8 C (-18.0 F)
1921-20.0 C (-4.0 F)
1922-20.6 C (-5.1 F)
1931-6.7 C (19.9 F)
1932-25.0 C (-13.0 F)
1933-27.8 C (-18.0 F)
1934-25.6 C (-14.1 F)
1935-18.9 C (-2.0 F)
1936-25.6 C (-14.1 F)
1937-25.6 C (-14.1 F)
1938-22.8 C (-9.0 F)
1939-23.9 C (-11.0 F)
1940-27.8 C (-18.0 F)
1941n/a
1942n/a
1943n/a
1944n/a
1945n/a
1946n/a
1947n/a
1948-26.7 C (-16.1 F)
1949n/a
1950n/a
1951n/a
1952n/a
1953n/a
1954n/a
1955n/a
1956n/a
1957n/a
1958n/a
1959n/a
1960n/a
1961n/a
1962n/a
1963n/a
1964-22.2 C (-8.0 F)
1965-13.3 C (8.1 F)
1966-25.0 C (-13.0 F)
1967-22.8 C (-9.0 F)
1968-26.7 C (-16.1 F)
1969-26.7 C (-16.1 F)
1970-22.2 C (-8.0 F)
1971-27.2 C (-17.0 F)
1972-23.3 C (-9.9 F)
1973-21.7 C (-7.1 F)
1974-28.9 C (-20.0 F)
1975-20.6 C (-5.1 F)
1976-23.3 C (-9.9 F)
1977-25.6 C (-14.1 F)
1978-25.0 C (-13.0 F)
1979-27.2 C (-17.0 F)
1980-24.4 C (-11.9 F)
1981-27.2 C (-17.0 F)
1982-27.8 C (-18.0 F)
1983-29.4 C (-20.9 F)
1984-23.9 C (-11.0 F)
1985-25.0 C (-13.0 F)
1986-18.3 C (-0.9 F)
1987-15.6 C (3.9 F)
1988-26.1 C (-15.0 F)
1989-34.4 C (-29.9 F)
1990-24.4 C (-11.9 F)
1991-20.0 C (-4.0 F)
1992-16.7 C (1.9 F)
1993-24.4 C (-11.9 F)
1994-23.3 C (-9.9 F)
1995-21.1 C (-6.0 F)
1996-26.1 C (-15.0 F)
1997-21.7 C (-7.1 F)
1998-23.3 C (-9.9 F)
1999-20.6 C (-5.1 F)
2000-21.7 C (-7.1 F)
2001-22.2 C (-8.0 F)
2002-20.6 C (-5.1 F)
2003-22.8 C (-9.0 F)
2004-24.4 C (-11.9 F)
2005-22.8 C (-9.0 F)
2006-18.3 C (-0.9 F)
2007-23.9 C (-11.0 F)
2008-24.4 C (-11.9 F)
2009-22.8 C (-9.0 F)
2010-26.1 C (-15.0 F)
2011-23.3 C (-9.9 F)
2012-16.7 C (1.9 F)
2013-22.8 C (-9.0 F)
2014-23.9 C (-11.0 F)
2015-21.7 C (-7.1 F)
2016-25.6 C (-14.1 F)
2017-25.0 C (-13.0 F)
2018-25.6 C (-14.1 F)
2019-17.8 C (0.0 F)
2020-17.2 C (1.0 F)
2021-36.1 C (-33.0 F)
2022-26.7 C (-16.1 F)
2023-18.9 C (-2.0 F)
2024-27.2 C (-17.0 F)
2025-30.0 C (-22.0 F)
2026-27.8 C (-18.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Superior by year The wettest day of the year at Superior, 1893 to 2026. The record is 181.1 mm (7.1 in) in 2015, marked on the chart; the median year is 59.3 mm (2.3 in). 0501001502001900192019401960198020002020Record: 181.1 mm (7.1 in) in 2015
The wettest day of the year at Superior, 1893 to 2026. The record is 181.1 mm (7.1 in) in 2015, marked on the chart; the median year is 59.3 mm (2.3 in).
Wettest day (Rx1day) at Superior by year
YearWettest day (Rx1day)
189340.9 mm (1.6 in)
189455.9 mm (2.2 in)
189572.4 mm (2.9 in)
189695.8 mm (3.8 in)
189762.2 mm (2.4 in)
189841.9 mm (1.6 in)
189941.9 mm (1.6 in)
190063.5 mm (2.5 in)
190125.4 mm (1.0 in)
190295.3 mm (3.8 in)
1903100.1 mm (3.9 in)
190461.0 mm (2.4 in)
190546.2 mm (1.8 in)
190649.8 mm (2.0 in)
190773.7 mm (2.9 in)
190869.9 mm (2.8 in)
190947.0 mm (1.9 in)
191058.4 mm (2.3 in)
191143.2 mm (1.7 in)
191295.3 mm (3.8 in)
191344.5 mm (1.8 in)
191438.9 mm (1.5 in)
191564.8 mm (2.6 in)
191648.3 mm (1.9 in)
192153.3 mm (2.1 in)
19227.6 mm (0.30 in)
193168.3 mm (2.7 in)
193253.3 mm (2.1 in)
193343.7 mm (1.7 in)
193421.6 mm (0.9 in)
193548.3 mm (1.9 in)
193654.6 mm (2.1 in)
193742.2 mm (1.7 in)
193856.4 mm (2.2 in)
193950.8 mm (2.0 in)
194040.4 mm (1.6 in)
1941102.6 mm (4.0 in)
194281.0 mm (3.2 in)
194353.1 mm (2.1 in)
194450.5 mm (2.0 in)
194557.4 mm (2.3 in)
194670.6 mm (2.8 in)
194740.4 mm (1.6 in)
194865.3 mm (2.6 in)
194977.2 mm (3.0 in)
195081.8 mm (3.2 in)
195188.6 mm (3.5 in)
195282.3 mm (3.2 in)
1953109.0 mm (4.3 in)
195444.2 mm (1.7 in)
195578.7 mm (3.1 in)
195650.3 mm (2.0 in)
195736.8 mm (1.4 in)
195897.0 mm (3.8 in)
195976.2 mm (3.0 in)
196045.7 mm (1.8 in)
196171.9 mm (2.8 in)
196251.3 mm (2.0 in)
196363.0 mm (2.5 in)
196452.6 mm (2.1 in)
196583.1 mm (3.3 in)
196659.9 mm (2.4 in)
196768.1 mm (2.7 in)
196868.1 mm (2.7 in)
196937.8 mm (1.5 in)
197052.6 mm (2.1 in)
197136.6 mm (1.4 in)
197244.5 mm (1.8 in)
1973131.6 mm (5.2 in)
197431.0 mm (1.2 in)
197541.9 mm (1.6 in)
197645.2 mm (1.8 in)
197763.0 mm (2.5 in)
197889.4 mm (3.5 in)
197970.4 mm (2.8 in)
198072.9 mm (2.9 in)
198143.9 mm (1.7 in)
198242.2 mm (1.7 in)
1983101.6 mm (4.0 in)
198450.3 mm (2.0 in)
198589.7 mm (3.5 in)
198666.3 mm (2.6 in)
198779.5 mm (3.1 in)
198872.9 mm (2.9 in)
198949.5 mm (1.9 in)
199047.0 mm (1.9 in)
199145.7 mm (1.8 in)
199261.2 mm (2.4 in)
199365.8 mm (2.6 in)
199448.8 mm (1.9 in)
199557.7 mm (2.3 in)
1996125.7 mm (4.9 in)
1997111.8 mm (4.4 in)
199843.4 mm (1.7 in)
199946.7 mm (1.8 in)
200059.7 mm (2.4 in)
2001103.1 mm (4.1 in)
200258.4 mm (2.3 in)
2003115.8 mm (4.6 in)
200443.7 mm (1.7 in)
200553.3 mm (2.1 in)
200655.9 mm (2.2 in)
200750.8 mm (2.0 in)
200859.7 mm (2.4 in)
200979.5 mm (3.1 in)
201074.9 mm (2.9 in)
201159.9 mm (2.4 in)
201262.0 mm (2.4 in)
201368.6 mm (2.7 in)
201454.6 mm (2.1 in)
2015181.1 mm (7.1 in)
201642.2 mm (1.7 in)
201772.6 mm (2.9 in)
201873.7 mm (2.9 in)
201968.6 mm (2.7 in)
202085.3 mm (3.4 in)
202170.6 mm (2.8 in)
202297.8 mm (3.9 in)
202356.4 mm (2.2 in)
202433.5 mm (1.3 in)
202558.9 mm (2.3 in)
202687.6 mm (3.4 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Superior by year The wettest five days of the year at Superior, 1893 to 2026. The record is 210.1 mm (8.3 in) in 2015, marked on the chart; the median year is 83.3 mm (3.3 in). 0501001502002501900192019401960198020002020Record: 210.1 mm (8.3 in) in 2015
The wettest five days of the year at Superior, 1893 to 2026. The record is 210.1 mm (8.3 in) in 2015, marked on the chart; the median year is 83.3 mm (3.3 in).
Wettest five days (Rx5day) at Superior by year
YearWettest five days (Rx5day)
189366.3 mm (2.6 in)
189470.4 mm (2.8 in)
189575.2 mm (3.0 in)
1896117.9 mm (4.6 in)
1897105.4 mm (4.1 in)
189891.4 mm (3.6 in)
189978.7 mm (3.1 in)
190061.0 mm (2.4 in)
190149.6 mm (2.0 in)
1902166.4 mm (6.6 in)
1903116.1 mm (4.6 in)
1904105.5 mm (4.2 in)
190561.2 mm (2.4 in)
190658.8 mm (2.3 in)
1907167.7 mm (6.6 in)
190876.2 mm (3.0 in)
190983.0 mm (3.3 in)
191075.5 mm (3.0 in)
191199.1 mm (3.9 in)
1912101.7 mm (4.0 in)
191376.2 mm (3.0 in)
191476.0 mm (3.0 in)
191591.4 mm (3.6 in)
191682.6 mm (3.3 in)
192180.0 mm (3.1 in)
192213.5 mm (0.5 in)
193173.4 mm (2.9 in)
193266.5 mm (2.6 in)
193356.4 mm (2.2 in)
193436.5 mm (1.4 in)
1935104.8 mm (4.1 in)
193681.3 mm (3.2 in)
193757.2 mm (2.3 in)
193874.2 mm (2.9 in)
193986.8 mm (3.4 in)
194073.2 mm (2.9 in)
1941199.3 mm (7.8 in)
1942165.1 mm (6.5 in)
194394.5 mm (3.7 in)
194498.6 mm (3.9 in)
194572.7 mm (2.9 in)
1946105.1 mm (4.1 in)
194763.0 mm (2.5 in)
194865.3 mm (2.6 in)
194983.6 mm (3.3 in)
195094.0 mm (3.7 in)
1951131.8 mm (5.2 in)
195295.3 mm (3.8 in)
1953110.5 mm (4.4 in)
195460.9 mm (2.4 in)
195589.9 mm (3.5 in)
195673.4 mm (2.9 in)
195769.0 mm (2.7 in)
1958150.6 mm (5.9 in)
1959136.1 mm (5.4 in)
196072.1 mm (2.8 in)
1961104.9 mm (4.1 in)
196272.1 mm (2.8 in)
196385.1 mm (3.4 in)
196494.2 mm (3.7 in)
196586.4 mm (3.4 in)
196677.2 mm (3.0 in)
196782.2 mm (3.2 in)
196898.3 mm (3.9 in)
196982.4 mm (3.2 in)
197058.9 mm (2.3 in)
197161.0 mm (2.4 in)
197281.7 mm (3.2 in)
1973136.7 mm (5.4 in)
197456.2 mm (2.2 in)
197592.8 mm (3.7 in)
197666.1 mm (2.6 in)
197768.0 mm (2.7 in)
1978105.2 mm (4.1 in)
1979123.0 mm (4.8 in)
198085.9 mm (3.4 in)
1981111.2 mm (4.4 in)
198264.3 mm (2.5 in)
1983110.5 mm (4.4 in)
198475.5 mm (3.0 in)
1985125.8 mm (5.0 in)
1986117.3 mm (4.6 in)
1987111.8 mm (4.4 in)
198889.9 mm (3.5 in)
198966.1 mm (2.6 in)
199054.4 mm (2.1 in)
199170.1 mm (2.8 in)
1992118.5 mm (4.7 in)
1993102.1 mm (4.0 in)
199459.1 mm (2.3 in)
199561.8 mm (2.4 in)
1996177.0 mm (7.0 in)
1997155.7 mm (6.1 in)
199862.5 mm (2.5 in)
199971.8 mm (2.8 in)
200074.9 mm (2.9 in)
2001176.5 mm (6.9 in)
200285.3 mm (3.4 in)
2003134.9 mm (5.3 in)
200478.0 mm (3.1 in)
200560.9 mm (2.4 in)
200687.2 mm (3.4 in)
200794.4 mm (3.7 in)
200869.3 mm (2.7 in)
200987.9 mm (3.5 in)
2010100.5 mm (4.0 in)
2011106.4 mm (4.2 in)
201262.3 mm (2.5 in)
201388.4 mm (3.5 in)
201463.8 mm (2.5 in)
2015210.1 mm (8.3 in)
201667.9 mm (2.7 in)
2017105.2 mm (4.1 in)
201890.2 mm (3.6 in)
2019133.6 mm (5.3 in)
2020144.5 mm (5.7 in)
202178.5 mm (3.1 in)
2022102.4 mm (4.0 in)
202356.4 mm (2.2 in)
202451.1 mm (2.0 in)
202579.2 mm (3.1 in)
202689.9 mm (3.5 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Superior by year The longest dry spell of the year at Superior, 1893 to 2026. The record is 123 days in 1893, marked on the chart; the median year is 34 days. 0501001501900192019401960198020002020Record: 123 days in 1893
The longest dry spell of the year at Superior, 1893 to 2026. The record is 123 days in 1893, marked on the chart; the median year is 34 days.
Longest dry spell (CDD) at Superior by year
YearLongest dry spell (CDD)
1893123 days
189430 days
189525 days
189635 days
189738 days
189835 days
189940 days
190038 days
190133 days
190219 days
190340 days
190446 days
190539 days
190639 days
190725 days
190839 days
190928 days
191051 days
191144 days
191249 days
191358 days
191455 days
191524 days
191626 days
192147 days
192228 days
193122 days
193227 days
193344 days
193441 days
193542 days
193640 days
193728 days
193845 days
193951 days
194027 days
194117 days
194238 days
194329 days
194433 days
194538 days
194645 days
194723 days
194827 days
194952 days
195052 days
195128 days
195263 days
195342 days
195439 days
195530 days
195661 days
195731 days
195841 days
195956 days
196027 days
196125 days
196219 days
196325 days
196434 days
196537 days
196639 days
196746 days
196837 days
196935 days
197039 days
197126 days
197240 days
197327 days
197459 days
197523 days
197634 days
197738 days
197823 days
197938 days
198039 days
198129 days
198222 days
198329 days
198435 days
198525 days
198634 days
198720 days
198835 days
198948 days
199028 days
199134 days
199229 days
199323 days
199428 days
199535 days
199657 days
199732 days
199851 days
199955 days
200028 days
200138 days
200245 days
200328 days
200426 days
200530 days
200642 days
200733 days
200819 days
200930 days
201030 days
201123 days
201233 days
201331 days
201428 days
201526 days
201638 days
201741 days
201823 days
201914 days
202045 days
202134 days
202253 days
202322 days
202428 days
202530 days
202630 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

57 years with a frost

Across 57 years with a frost, the median last spring frost at Superior falls on 26 April and the median first autumn frost on 10 October, which leaves a median of 168 days between them.

Fitted over all years, the growing season changes by +0.5 days per decade at this station.

Frost dates and growing season at Superior
MeasureMedian, all yearsEarliest periodRecent period (1991 to 2025)Recent against earliestFitted trend
Last spring frost26 Apriln/a28 Apriln/a+0.4 days per decade
First autumn frost10 Octobern/a12 Octobern/a+0.9 days per decade
Growing days168 daysn/a168 daysn/a+0.5 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.

Rainfall Return Levels

106 years, 1893 to 2025

A day with at least 59.2 mm (2.3 in) of rain is expected about once in 2 years. A day with at least 149.9 mm (5.9 in) of rain is expected about once in 100 years.

Rainfall return levels at Superior: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years59.2 mm (2.3 in)
5 years80.1 mm (3.2 in)
10 years95.2 mm (3.7 in)
25 years115.9 mm (4.6 in)
50 years132.4 mm (5.2 in)
100 years149.9 mm (5.9 in)

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 106 years of values from 1893 to 2025.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 181.1 mm (7.1 in) in 2015; 131.6 mm (5.2 in) in 1973; 125.7 mm (4.9 in) in 1996.

Station Changes

1 suspected

One change was suspected in the annual mean temperature of Superior, at 1976. Each is measured against neighbouring stations.

  • Relative to 5 neighbouring stations, the station's annual mean temperature from 1976 ran 0.2 C (0.4 F) higher than in the years before (possible change).
Suspected changes in the annual mean temperature at Superior, against neighbouring stations
YearShift (C)Shift (F)StrengthNeighbours
1976+0.2+0.4possible5

Possible change at the station (a move, a new instrument or a new site); the record is kept as measured. A "likely" change has a larger test statistic than a "possible" one. Neither says why the station differs from its neighbours. How changes are found, and the largest ones.

Climate Twins

2006 to 2025 against 1961 to 1990

Over 2006 to 2025, Superior had a mean temperature of 11.0 C (51.9 F) and 676.6 mm (26.6 in) of rain a year. The 3 stations whose 1961 to 1990 climate was closest to that are Central City (United States, 122 km away), Crete 4ESE (United States, 121 km away) and Seward (United States, 129 km away).

Climate twins of Superior: stations whose 1961 to 1990 climate is closest to its 2006 to 2025 climate
Twin stationCountryDistance awayMean temperature, 1961-1990Rain a year, 1961-1990Climate difference
Central CityUnited States122 km (76 mi)10.8 C (51.5 F)678.8 mm (26.7 in)0.82
Crete 4ESEUnited States121 km (75 mi)11.1 C (52.1 F)756.0 mm (29.8 in)0.84
SewardUnited States129 km (80 mi)10.8 C (51.5 F)681.1 mm (26.8 in)0.89

Twins are stations, not cities. A twin is one of the three stations at least 100 km away whose earlier climate is closest to this station's recent one, so a close match does not mean the two places look alike in other ways. A station move or a gap in a record can change that station's averages. The list describes past climate; it is not a forecast and does not say what caused any change. How twins are found, and a search for any station.

Download the Data

  • Data for Superior standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Superior 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 2026-10-12 (12 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-13).