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Built 2026-10-16 (16 October 2026)

Mud Spring - Eureka 13SW Utah Weather Records (USR0000MUDS)

Record envelope, standing records and threshold days for Mud Spring - Eureka 13SW Utah (USR0000MUDS), Utah, United States, with 34 years of record.

Key Facts for Mud Spring - Eureka 13SW Utah

  • Mud Spring - Eureka 13SW Utah (USR0000MUDS) is a weather station in Utah, United States at 39.80 latitude and -112.27 longitude, 1,756 m (5,760 ft) above sea level.
  • The station reports from 1990 to 2023, 34 years of record.
  • 1,464 records set at Mud Spring - Eureka 13SW Utah still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • Mud Spring - Eureka 13SW Utah set a daily record high minimum temperature of 12.2 C (54.0 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: Utah, United States, 39.80 latitude, -112.27 longitude.
  • Elevation: 1,756 m (5,760 ft).
  • Period of record: 1990 to 2023, 34 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

35 days at or beyond a record
Daily record high and record low at Mud Spring - Eureka 13SW Utah, with 2026 drawn through them The band shows the record high and record low for each calendar day at Mud Spring - Eureka 13SW Utah. The lines show the 2026 daily maximum and minimum. 35 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 Mud Spring - Eureka 13SW Utah. The lines show the 2026 daily maximum and minimum. 35 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Mud Spring - Eureka 13SW Utah, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan17.8 C (64.0 F)-23.9 C (-11.0 F)12.2 C (54.0 F)-13.9 C (7.0 F)
Feb17.2 C (63.0 F)-21.1 C (-6.0 F)16.1 C (61.0 F)-15.6 C (3.9 F)
Mar28.3 C (82.9 F)-16.7 C (1.9 F)28.3 C (82.9 F)-5.6 C (21.9 F)
Apr28.3 C (82.9 F)-11.7 C (10.9 F)24.4 C (75.9 F)-8.3 C (17.1 F)
May34.4 C (93.9 F)-6.7 C (19.9 F)31.1 C (88.0 F)-1.1 C (30.0 F)
Jun38.3 C (100.9 F)-3.9 C (25.0 F)33.9 C (93.0 F)1.7 C (35.1 F)
Jul39.4 C (102.9 F)1.1 C (34.0 F)38.3 C (100.9 F)11.1 C (52.0 F)
Aug38.3 C (100.9 F)4.4 C (39.9 F)38.3 C (100.9 F)10.6 C (51.1 F)
Sep36.7 C (98.1 F)-3.9 C (25.0 F)31.7 C (89.1 F)6.1 C (43.0 F)
Oct32.8 C (91.0 F)-17.2 C (1.0 F)28.9 C (84.0 F)8.3 C (46.9 F)
Nov22.8 C (73.0 F)-21.7 C (-7.1 F)n/an/a
Dec17.2 C (63.0 F)-30.6 C (-23.1 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Mud Spring - Eureka 13SW Utah by the year they were set 1,464 records at Mud Spring - Eureka 13SW Utah still stand. 1996 holds the most, with 64. 0204060801990: 311991: 481992: 481993: 421994: 441995: 451996: 641997: 301998: 211999: 362000: 352001: 452002: 432003: 542004: 472005: 252006: 342007: 422008: 492009: 322010: 342011: 362012: 322013: 442014: 232015: 472016: 362017: 482018: 242019: 342020: 462021: 462022: 392023: 302024: 372025: 522026: 411990199419982002200620102014201820222026
1,464 records at Mud Spring - Eureka 13SW Utah still stand. 1996 holds the most, with 64.
Standing records at Mud Spring - Eureka 13SW Utah by the year they were set
Year setStanding records
199031
199148
199248
199342
199444
199545
199664
199730
199821
199936
200035
200145
200243
200354
200447
200525
200634
200742
200849
200932
201034
201136
201232
201344
201423
201547
201636
201748
201824
201934
202046
202146
202239
202330
202437
202552
202641

Period of Record Coverage

1990 to 2026
Days with data per year at Mud Spring - Eureka 13SW Utah 37 years of record at Mud Spring - Eureka 13SW Utah, 1990 to 2026. 3 years have data for under 90 percent of days and are left out of rankings: 1990, 2010, 2026. 1990: 113 of 365 days1991: 365 of 365 days1992: 365 of 366 days1993: 350 of 365 days1994: 364 of 365 days1995: 363 of 365 days1996: 365 of 366 days1997: 363 of 365 days1998: 365 of 365 days1999: 364 of 365 days2000: 366 of 366 days2001: 364 of 365 days2002: 365 of 365 days2003: 363 of 365 days2004: 365 of 366 days2005: 365 of 365 days2006: 365 of 365 days2007: 364 of 365 days2008: 365 of 366 days2009: 365 of 365 days2010: 322 of 365 days2011: 364 of 365 days2012: 365 of 366 days2013: 365 of 365 days2014: 365 of 365 days2015: 365 of 365 days2016: 363 of 366 days2017: 364 of 365 days2018: 364 of 365 days2019: 365 of 365 days2020: 364 of 366 days2021: 365 of 365 days2022: 365 of 365 days2023: 365 of 365 days2024: 365 of 366 days2025: 365 of 365 days2026: 284 of 365 days19901995200020052010201520202025
37 years of record at Mud Spring - Eureka 13SW Utah, 1990 to 2026. 3 years have data for under 90 percent of days and are left out of rankings: 1990, 2010, 2026.
Days with data per year at Mud Spring - Eureka 13SW Utah
YearDays with dataShare of yearComplete
199011331%No
1991365100%Yes
1992365100%Yes
199335096%Yes
1994364100%Yes
199536399%Yes
1996365100%Yes
199736399%Yes
1998365100%Yes
1999364100%Yes
2000366100%Yes
2001364100%Yes
2002365100%Yes
200336399%Yes
2004365100%Yes
2005365100%Yes
2006365100%Yes
2007364100%Yes
2008365100%Yes
2009365100%Yes
201032288%No
2011364100%Yes
2012365100%Yes
2013365100%Yes
2014365100%Yes
2015365100%Yes
201636399%Yes
2017364100%Yes
2018364100%Yes
2019365100%Yes
202036499%Yes
2021365100%Yes
2022365100%Yes
2023365100%Yes
2024365100%Yes
2025365100%Yes
202628478%No

Latest Records

20
Latest records at Mud Spring - Eureka 13SW Utah
DateStationRecordValueBeat old record byOld record stoodSignificance
10 October 2026Mud Spring - Eureka 13SW Utah, USdaily high min (Provisional)12.2 C (54.0 F)0.5 C (0.9 F)0 years4 of 100 (Routine)
9 October 2026Mud Spring - Eureka 13SW Utah, USdaily high min (Tie, Provisional)10.6 C (51.1 F)tie1 year0 of 100 (Routine)
8 October 2026Mud Spring - Eureka 13SW Utah, USdaily high min (Provisional)12.8 C (55.0 F)2.2 C (4.0 F)23 years14 of 100 (Routine)
8 October 2026Mud Spring - Eureka 13SW Utah, USdaily high max (Tie, Provisional)27.2 C (81.0 F)tie1 year0 of 100 (Routine)
7 October 2026Mud Spring - Eureka 13SW Utah, USdaily high max (Provisional)28.3 C (82.9 F)0.5 C (0.9 F)5 years4 of 100 (Routine)
7 October 2026Mud Spring - Eureka 13SW Utah, USdaily high min (Provisional)10.6 C (51.1 F)0.6 C (1.1 F)1 year4 of 100 (Routine)
6 October 2026Mud Spring - Eureka 13SW Utah, USdaily high min (Provisional)12.2 C (54.0 F)2.9 C (5.2 F)4 years10 of 100 (Routine)
5 October 2026Mud Spring - Eureka 13SW Utah, USdaily high max (Provisional)28.9 C (84.0 F)1.7 C (3.1 F)32 years14 of 100 (Routine)
4 October 2026Mud Spring - Eureka 13SW Utah, USdaily high min (Provisional)12.8 C (55.0 F)1.1 C (2.0 F)32 years14 of 100 (Routine)
3 October 2026Mud Spring - Eureka 13SW Utah, USdaily high max (Provisional)28.9 C (84.0 F)1.1 C (2.0 F)1 year4 of 100 (Routine)
3 October 2026Mud Spring - Eureka 13SW Utah, USdaily high min (Provisional)12.2 C (54.0 F)0.5 C (0.9 F)0 years4 of 100 (Routine)
13 September 2026Mud Spring - Eureka 13SW Utah, USdaily high min (Provisional)18.9 C (66.0 F)2.8 C (5.0 F)36 years20 of 100 (Routine)
29 August 2026Mud Spring - Eureka 13SW Utah, USdaily low max (Provisional)23.9 C (75.0 F)0.5 C (0.9 F)16 years8 of 100 (Routine)
26 August 2026Mud Spring - Eureka 13SW Utah, USdaily high min (Provisional)18.3 C (64.9 F)0.5 C (0.9 F)15 years8 of 100 (Routine)
20 August 2026Mud Spring - Eureka 13SW Utah, USdaily high max (Tie, Provisional)36.1 C (97.0 F)tie0 years0 of 100 (Routine)
14 August 2026Mud Spring - Eureka 13SW Utah, USdaily low max21.1 C (70.0 F)6.7 C (12.1 F)4 years25 of 100 (Routine)
12 August 2026Mud Spring - Eureka 13SW Utah, USdaily high min (Tie)17.8 C (64.0 F)tie24 years2 of 100 (Routine)
9 August 2026Mud Spring - Eureka 13SW Utah, USdaily high min20.6 C (69.1 F)1.7 C (3.1 F)9 years11 of 100 (Routine)
9 August 2026Mud Spring - Eureka 13SW Utah, USdaily high max36.1 C (97.0 F)0.5 C (0.9 F)8 years6 of 100 (Routine)
8 August 2026Mud Spring - Eureka 13SW Utah, USdaily high max (Tie)36.7 C (98.1 F)tie13 years1 of 100 (Routine)

Climate Trend

34 complete years, 1991 to 2025
Annual mean temperature at Mud Spring - Eureka 13SW Utah as warming stripes, 1991 to 2025 One stripe for each of 34 complete years at Mud Spring - Eureka 13SW Utah, 1991 to 2025. Blue stripes are years cooler than the station's own mean of 9.7 C (49.4 F); red stripes are warmer. The coolest year was 1993, at 8.1 C (46.7 F), and the warmest was 2012, at 11.0 C (51.8 F). The strongest colour marks a difference of 1.6 C (2.9 F). 1991: 8.7 C, -1.0 C from the station mean1992: 9.8 C, +0.1 C from the station mean1993: 8.1 C, -1.5 C from the station mean1994: 9.8 C, +0.1 C from the station mean1995: 9.4 C, -0.3 C from the station mean1996: 9.7 C, 0.0 C from the station mean1997: 9.0 C, -0.7 C from the station mean1998: 8.8 C, -0.9 C from the station mean1999: 9.8 C, +0.1 C from the station mean2000: 10.1 C, +0.4 C from the station mean2001: 10.1 C, +0.4 C from the station mean2002: 9.3 C, -0.4 C from the station mean2003: 10.3 C, +0.6 C from the station mean2004: 9.4 C, -0.3 C from the station mean2005: 9.8 C, +0.1 C from the station mean2006: 9.6 C, -0.1 C from the station mean2007: 10.0 C, +0.3 C from the station mean2008: 9.2 C, -0.5 C from the station mean2009: 9.1 C, -0.6 C from the station mean2011: 8.9 C, -0.8 C from the station mean2012: 11.0 C, +1.3 C from the station mean2013: 9.4 C, -0.3 C from the station mean2014: 10.2 C, +0.5 C from the station mean2015: 10.6 C, +0.9 C from the station mean2016: 10.2 C, +0.5 C from the station mean2017: 10.1 C, +0.4 C from the station mean2018: 10.1 C, +0.4 C from the station mean2019: 8.6 C, -1.0 C from the station mean2020: 10.2 C, +0.5 C from the station mean2021: 10.2 C, +0.5 C from the station mean2022: 9.5 C, -0.2 C from the station mean2023: 9.1 C, -0.6 C from the station mean2024: 10.6 C, +0.9 C from the station mean2025: 11.0 C, +1.3 C from the station mean19911995200020052010201520202025
One stripe for each of 34 complete years at Mud Spring - Eureka 13SW Utah, 1991 to 2025. Blue stripes are years cooler than the station's own mean of 9.7 C (49.4 F); red stripes are warmer. The coolest year was 1993, at 8.1 C (46.7 F), and the warmest was 2012, at 11.0 C (51.8 F). The strongest colour marks a difference of 1.6 C (2.9 F).
Annual mean temperature at Mud Spring - Eureka 13SW Utah as warming stripes, 1991 to 2025
YearAnnual mean temperatureDifference from the station mean
19918.7 C-0.97 C
19929.8 C+0.11 C
19938.1 C-1.55 C
19949.8 C+0.08 C
19959.4 C-0.34 C
19969.7 C+0.01 C
19979.0 C-0.72 C
19988.8 C-0.92 C
19999.8 C+0.09 C
200010.1 C+0.44 C
200110.1 C+0.39 C
20029.3 C-0.39 C
200310.3 C+0.64 C
20049.4 C-0.31 C
20059.8 C+0.09 C
20069.6 C-0.08 C
200710.0 C+0.30 C
20089.2 C-0.46 C
20099.1 C-0.57 C
20118.9 C-0.79 C
201211.0 C+1.30 C
20139.4 C-0.34 C
201410.2 C+0.47 C
201510.6 C+0.91 C
201610.2 C+0.48 C
201710.1 C+0.41 C
201810.1 C+0.39 C
20198.6 C-1.05 C
202010.2 C+0.48 C
202110.2 C+0.51 C
20229.5 C-0.21 C
20239.1 C-0.57 C
202410.6 C+0.87 C
202511.0 C+1.26 C

The annual mean temperature here has risen by 0.3 C (0.1 to 0.5) per decade over 1991 to 2025. In Fahrenheit: 0.5 F (0.1 to 0.9) per decade. The slope is a straight line fitted to 34 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Mud Spring - Eureka 13SW Utah
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.3 C (0.1 to 0.5) per decade0.5 F (0.1 to 0.9) per decade1991 to 202534Rise
Mean daily maximum0.3 C (0.1 to 0.6) per decade0.6 F (0.2 to 1.0) per decade1991 to 202534Rise
Mean daily minimum0.22 C (0.02 to 0.43) per decade0.40 F (0.03 to 0.77) per decade1991 to 202534Rise

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

1990 to 2026
Yearly extremes at Mud Spring - Eureka 13SW Utah: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)39.4 C (102.9 F)200237.2 C (99.0 F)37
Coldest night (TNn)-30.6 C (-23.1 F)1990-18.9 C (-2.0 F)37

Hottest day (TXx)

Hottest day (TXx) at Mud Spring - Eureka 13SW Utah by year The hottest day of the year at Mud Spring - Eureka 13SW Utah, 1990 to 2026. The record is 39.4 C (102.9 F) in 2002, marked on the chart; the median year is 37.2 C (99.0 F). 32343638401990200020102020Record: 39.4 C (102.9 F) in 2002
The hottest day of the year at Mud Spring - Eureka 13SW Utah, 1990 to 2026. The record is 39.4 C (102.9 F) in 2002, marked on the chart; the median year is 37.2 C (99.0 F).
Hottest day (TXx) at Mud Spring - Eureka 13SW Utah by year
YearHottest day (TXx)
199033.9 C (93.0 F)
199136.1 C (97.0 F)
199236.7 C (98.1 F)
199333.3 C (91.9 F)
199436.7 C (98.1 F)
199536.1 C (97.0 F)
199636.1 C (97.0 F)
199735.0 C (95.0 F)
199838.3 C (100.9 F)
199936.1 C (97.0 F)
200037.8 C (100.0 F)
200137.8 C (100.0 F)
200239.4 C (102.9 F)
200338.3 C (100.9 F)
200434.4 C (93.9 F)
200539.4 C (102.9 F)
200638.9 C (102.0 F)
200737.8 C (100.0 F)
200835.6 C (96.1 F)
200937.2 C (99.0 F)
201037.2 C (99.0 F)
201137.2 C (99.0 F)
201238.3 C (100.9 F)
201338.3 C (100.9 F)
201435.6 C (96.1 F)
201537.2 C (99.0 F)
201637.2 C (99.0 F)
201736.7 C (98.1 F)
201836.1 C (97.0 F)
201935.6 C (96.1 F)
202037.2 C (99.0 F)
202138.0 C (100.4 F)
202237.2 C (99.0 F)
202338.3 C (100.9 F)
202438.3 C (100.9 F)
202536.7 C (98.1 F)
202638.3 C (100.9 F)

Coldest night (TNn)

Coldest night (TNn) at Mud Spring - Eureka 13SW Utah by year The coldest night of the year at Mud Spring - Eureka 13SW Utah, 1990 to 2026. The record is -30.6 C (-23.1 F) in 1990, marked on the chart; the median year is -18.9 C (-2.0 F). -35-30-25-20-151990200020102020Record: -30.6 C (-23.1 F) in 1990
The coldest night of the year at Mud Spring - Eureka 13SW Utah, 1990 to 2026. The record is -30.6 C (-23.1 F) in 1990, marked on the chart; the median year is -18.9 C (-2.0 F).
Coldest night (TNn) at Mud Spring - Eureka 13SW Utah by year
YearColdest night (TNn)
1990-30.6 C (-23.1 F)
1991-18.9 C (-2.0 F)
1992-19.4 C (-2.9 F)
1993-20.0 C (-4.0 F)
1994-18.3 C (-0.9 F)
1995-16.7 C (1.9 F)
1996-19.4 C (-2.9 F)
1997-17.8 C (0.0 F)
1998-25.0 C (-13.0 F)
1999-17.2 C (1.0 F)
2000-15.0 C (5.0 F)
2001-18.3 C (-0.9 F)
2002-16.7 C (1.9 F)
2003-17.8 C (0.0 F)
2004-18.9 C (-2.0 F)
2005-17.2 C (1.0 F)
2006-21.7 C (-7.1 F)
2007-23.9 C (-11.0 F)
2008-19.4 C (-2.9 F)
2009-22.2 C (-8.0 F)
2010-21.7 C (-7.1 F)
2011-21.7 C (-7.1 F)
2012-18.9 C (-2.0 F)
2013-22.8 C (-9.0 F)
2014-17.8 C (0.0 F)
2015-18.3 C (-0.9 F)
2016-20.6 C (-5.1 F)
2017-23.9 C (-11.0 F)
2018-18.3 C (-0.9 F)
2019-19.4 C (-2.9 F)
2020-17.2 C (1.0 F)
2021-15.4 C (4.3 F)
2022-18.4 C (-1.1 F)
2023-23.3 C (-9.9 F)
2024-15.6 C (3.9 F)
2025-17.8 C (0.0 F)
2026-15.6 C (3.9 F)

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

34 years with a frost

Across 34 years with a frost, the median last spring frost at Mud Spring - Eureka 13SW Utah falls on 20 May and the median first autumn frost on 4 October, which leaves a median of 134 days between them.

Fitted over all years, the growing season changes by +4.7 days per decade at this station.

Frost dates and growing season at Mud Spring - Eureka 13SW Utah
MeasureMedian, all yearsEarliest periodRecent period (1995 to 2025)Recent against earliestFitted trend
Last spring frost20 Mayn/a21 Mayn/a+0.1 days per decade
First autumn frost4 Octobern/a4 Octobern/a+4.8 days per decade
Growing days134 daysn/a133 daysn/a+4.7 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 Mud Spring - Eureka 13SW Utah standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Mud Spring - Eureka 13SW Utah 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-14).