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Built 2026-10-15 (15 October 2026)

Upper Sand Wash Utah Weather Records (USR0000SAND)

Record envelope, standing records and threshold days for Upper Sand Wash Utah (USR0000SAND), Utah, United States, with 41 years of record.

Key Facts for Upper Sand Wash Utah

  • Upper Sand Wash Utah (USR0000SAND) is a weather station in Utah, United States at 39.71 latitude and -109.45 longitude, 1,920 m (6,300 ft) above sea level.
  • The station reports from 1983 to 2023, 41 years of record.
  • 1,464 records set at Upper Sand Wash Utah still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • Upper Sand Wash 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, 39.71 latitude, -109.45 longitude.
  • Elevation: 1,920 m (6,300 ft).
  • Period of record: 1983 to 2023, 41 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

35 days at or beyond a record
Daily record high and record low at Upper Sand Wash Utah, with 2026 drawn through them The band shows the record high and record low for each calendar day at Upper Sand Wash 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 Upper Sand Wash 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 Upper Sand Wash Utah, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan15.6 C (60.1 F)-29.9 C (-21.8 F)12.2 C (54.0 F)-16.1 C (3.0 F)
Feb18.9 C (66.0 F)-32.2 C (-26.0 F)16.7 C (62.1 F)-11.1 C (12.0 F)
Mar28.9 C (84.0 F)-21.1 C (-6.0 F)28.9 C (84.0 F)-6.1 C (21.0 F)
Apr28.9 C (84.0 F)-13.9 C (7.0 F)24.4 C (75.9 F)-7.2 C (19.0 F)
May35.0 C (95.0 F)-7.8 C (18.0 F)32.2 C (90.0 F)-2.8 C (27.0 F)
Jun37.8 C (100.0 F)-3.9 C (25.0 F)33.9 C (93.0 F)6.1 C (43.0 F)
Jul38.9 C (102.0 F)5.0 C (41.0 F)37.8 C (100.0 F)8.3 C (46.9 F)
Aug36.7 C (98.1 F)2.8 C (37.0 F)36.7 C (98.1 F)10.0 C (50.0 F)
Sep35.6 C (96.1 F)-6.1 C (21.0 F)30.6 C (87.1 F)6.7 C (44.1 F)
Oct29.4 C (84.9 F)-20.0 C (-4.0 F)27.2 C (81.0 F)7.8 C (46.0 F)
Nov21.7 C (71.1 F)-20.6 C (-5.1 F)n/an/a
Dec16.7 C (62.1 F)-32.8 C (-27.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Upper Sand Wash Utah by the year they were set 1,464 records at Upper Sand Wash Utah still stand. 1989 holds the most, with 56. 02040601983: 21984: 151985: 301986: 441987: 321988: 331989: 561990: 531991: 351992: 281993: 221994: 311995: 401996: 501997: 311998: 281999: 362000: 512001: 282002: 302003: 382004: 332005: 342006: 342007: 332008: 322009: 412010: 282011: 232012: 312013: 422014: 392015: 372016: 182017: 492018: 282019: 272020: 432021: 422022: 482023: 272024: 162026: 46198319881993199820032008201320182023
1,464 records at Upper Sand Wash Utah still stand. 1989 holds the most, with 56.
Standing records at Upper Sand Wash Utah by the year they were set
Year setStanding records
19832
198415
198530
198644
198732
198833
198956
199053
199135
199228
199322
199431
199540
199650
199731
199828
199936
200051
200128
200230
200338
200433
200534
200634
200733
200832
200941
201028
201123
201231
201342
201439
201537
201618
201749
201828
201927
202043
202142
202248
202327
202416
202646

Period of Record Coverage

1983 to 2026
Days with data per year at Upper Sand Wash Utah 43 years of record at Upper Sand Wash Utah, 1983 to 2026. 4 years have data for under 90 percent of days and are left out of rankings: 1983, 1984, 1985, 2026. 1983: 45 of 365 days1984: 186 of 366 days1985: 206 of 365 days1986: 354 of 365 days1987: 355 of 365 days1988: 355 of 366 days1989: 364 of 365 days1990: 364 of 365 days1991: 363 of 365 days1992: 365 of 366 days1993: 363 of 365 days1994: 365 of 365 days1995: 363 of 365 days1996: 366 of 366 days1997: 362 of 365 days1998: 364 of 365 days1999: 365 of 365 days2000: 354 of 366 days2001: 364 of 365 days2002: 365 of 365 days2003: 365 of 365 days2004: 365 of 366 days2005: 364 of 365 days2006: 364 of 365 days2007: 365 of 365 days2008: 366 of 366 days2009: 365 of 365 days2010: 364 of 365 days2011: 364 of 365 days2012: 366 of 366 days2013: 350 of 365 days2014: 365 of 365 days2015: 365 of 365 days2016: 363 of 366 days2017: 364 of 365 days2018: 365 of 365 days2019: 365 of 365 days2020: 365 of 366 days2021: 361 of 365 days2022: 365 of 365 days2023: 365 of 365 days2024: 366 of 366 days2026: 284 of 365 days1990200020102020
43 years of record at Upper Sand Wash Utah, 1983 to 2026. 4 years have data for under 90 percent of days and are left out of rankings: 1983, 1984, 1985, 2026.
Days with data per year at Upper Sand Wash Utah
YearDays with dataShare of yearComplete
19834512%No
198418651%No
198520656%No
198635497%Yes
198735597%Yes
198835597%Yes
1989364100%Yes
1990364100%Yes
199136399%Yes
1992365100%Yes
199336399%Yes
1994365100%Yes
199536399%Yes
1996366100%Yes
199736299%Yes
1998364100%Yes
1999365100%Yes
200035497%Yes
2001364100%Yes
2002365100%Yes
2003365100%Yes
2004365100%Yes
2005364100%Yes
2006364100%Yes
2007365100%Yes
2008366100%Yes
2009365100%Yes
2010364100%Yes
2011364100%Yes
2012366100%Yes
201335096%Yes
2014365100%Yes
2015365100%Yes
201636399%Yes
2017364100%Yes
2018365100%Yes
2019365100%Yes
2020365100%Yes
202136199%Yes
2022365100%Yes
2023365100%Yes
2024366100%Yes
202628478%No

Latest Records

20
Latest records at Upper Sand Wash Utah
DateStationRecordValueBeat old record byOld record stoodSignificance
10 October 2026Upper Sand Wash Utah, USdaily high min (Provisional)12.2 C (54.0 F)2.8 C (5.0 F)5 years11 of 100 (Routine)
7 October 2026Upper Sand Wash Utah, USdaily high min (Provisional)10.6 C (51.1 F)2.3 C (4.1 F)24 years15 of 100 (Routine)
6 October 2026Upper Sand Wash Utah, USdaily high min (Provisional)11.7 C (53.1 F)2.3 C (4.1 F)27 years16 of 100 (Routine)
6 October 2026Upper Sand Wash Utah, USdaily high max (Tie, Provisional)26.1 C (79.0 F)tie29 years3 of 100 (Routine)
5 October 2026Upper Sand Wash Utah, USdaily high max (Provisional)27.2 C (81.0 F)0.5 C (0.9 F)32 years13 of 100 (Routine)
5 October 2026Upper Sand Wash Utah, USdaily high min (Tie, Provisional)12.2 C (54.0 F)tie19 years2 of 100 (Routine)
13 September 2026Upper Sand Wash Utah, USmonthly high min (Tie, Provisional)17.2 C (63.0 F)tie22 years5 of 100 (Routine)
12 September 2026Upper Sand Wash Utah, USmonthly high min (Tie, Provisional)17.2 C (63.0 F)tie22 years5 of 100 (Routine)
31 August 2026Upper Sand Wash Utah, USdaily low max (Tie, Provisional)20.6 C (69.1 F)tie33 years3 of 100 (Routine)
30 August 2026Upper Sand Wash Utah, USdaily low max (Provisional)21.1 C (70.0 F)0.6 C (1.1 F)16 years9 of 100 (Routine)
20 August 2026Upper Sand Wash Utah, USdaily high max (Provisional)35.0 C (95.0 F)1.1 C (2.0 F)5 years8 of 100 (Routine)
20 August 2026Upper Sand Wash Utah, USdaily high min (Tie, Provisional)16.7 C (62.1 F)tie33 years3 of 100 (Routine)
13 August 2026Upper Sand Wash Utah, USdaily low max22.8 C (73.0 F)0.5 C (0.9 F)1 year5 of 100 (Routine)
9 August 2026Upper Sand Wash Utah, USdaily high min20.0 C (68.0 F)2.8 C (5.0 F)9 years16 of 100 (Routine)
8 August 2026Upper Sand Wash Utah, USdaily high max36.1 C (97.0 F)1.1 C (2.0 F)36 years17 of 100 (Routine)
8 August 2026Upper Sand Wash Utah, USdaily high min18.3 C (64.9 F)1.1 C (2.0 F)20 years14 of 100 (Routine)
7 August 2026Upper Sand Wash Utah, USmonthly high max (Tie)36.7 C (98.1 F)tie26 years5 of 100 (Routine)
5 August 2026Upper Sand Wash Utah, USdaily high max (Tie)34.4 C (93.9 F)tie32 years3 of 100 (Routine)
3 August 2026Upper Sand Wash Utah, USdaily high max (Tie)35.6 C (96.1 F)tie5 years1 of 100 (Routine)
2 August 2026Upper Sand Wash Utah, USmonthly high max (Tie)36.7 C (98.1 F)tie26 years5 of 100 (Routine)

Climate Trend

38 complete years, 1986 to 2024
Annual mean temperature at Upper Sand Wash Utah as warming stripes, 1986 to 2024 One stripe for each of 38 complete years at Upper Sand Wash Utah, 1986 to 2024. Blue stripes are years cooler than the station's own mean of 9.0 C (48.1 F); red stripes are warmer. The coolest year was 1991, at 7.6 C (45.7 F), and the warmest was 2012, at 10.5 C (50.9 F). The strongest colour marks a difference of 1.6 C (2.9 F). 1986: 8.8 C, -0.1 C from the station mean1987: 8.6 C, -0.4 C from the station mean1988: 8.2 C, -0.8 C from the station mean1989: 8.3 C, -0.7 C from the station mean1990: 8.6 C, -0.4 C from the station mean1991: 7.6 C, -1.3 C from the station mean1992: 8.8 C, -0.2 C from the station mean1993: 7.8 C, -1.2 C from the station mean1994: 9.6 C, +0.6 C from the station mean1995: 8.8 C, -0.1 C from the station mean1996: 9.0 C, 0.0 C from the station mean1997: 7.8 C, -1.2 C from the station mean1998: 8.9 C, -0.1 C from the station mean1999: 9.5 C, +0.5 C from the station mean2000: 9.6 C, +0.7 C from the station mean2001: 9.6 C, +0.6 C from the station mean2002: 8.7 C, -0.3 C from the station mean2003: 9.5 C, +0.5 C from the station mean2004: 8.9 C, -0.1 C from the station mean2005: 9.3 C, +0.4 C from the station mean2006: 9.1 C, +0.2 C from the station mean2007: 9.5 C, +0.6 C from the station mean2008: 8.4 C, -0.6 C from the station mean2009: 8.6 C, -0.4 C from the station mean2010: 8.6 C, -0.4 C from the station mean2011: 7.8 C, -1.2 C from the station mean2012: 10.5 C, +1.5 C from the station mean2014: 9.6 C, +0.6 C from the station mean2015: 9.5 C, +0.5 C from the station mean2016: 9.2 C, +0.3 C from the station mean2017: 9.9 C, +0.9 C from the station mean2018: 9.9 C, +1.0 C from the station mean2019: 8.2 C, -0.7 C from the station mean2020: 9.3 C, +0.4 C from the station mean2021: 9.8 C, +0.9 C from the station mean2022: 8.7 C, -0.2 C from the station mean2023: 8.2 C, -0.8 C from the station mean2024: 10.1 C, +1.1 C from the station mean19861990199520002005201020152020
One stripe for each of 38 complete years at Upper Sand Wash Utah, 1986 to 2024. Blue stripes are years cooler than the station's own mean of 9.0 C (48.1 F); red stripes are warmer. The coolest year was 1991, at 7.6 C (45.7 F), and the warmest was 2012, at 10.5 C (50.9 F). The strongest colour marks a difference of 1.6 C (2.9 F).
Annual mean temperature at Upper Sand Wash Utah as warming stripes, 1986 to 2024
YearAnnual mean temperatureDifference from the station mean
19868.8 C-0.13 C
19878.6 C-0.38 C
19888.2 C-0.80 C
19898.3 C-0.68 C
19908.6 C-0.38 C
19917.6 C-1.34 C
19928.8 C-0.21 C
19937.8 C-1.22 C
19949.6 C+0.64 C
19958.8 C-0.13 C
19969.0 C+0.00 C
19977.8 C-1.18 C
19988.9 C-0.11 C
19999.5 C+0.51 C
20009.6 C+0.66 C
20019.6 C+0.62 C
20028.7 C-0.32 C
20039.5 C+0.53 C
20048.9 C-0.08 C
20059.3 C+0.35 C
20069.1 C+0.15 C
20079.5 C+0.55 C
20088.4 C-0.60 C
20098.6 C-0.41 C
20108.6 C-0.36 C
20117.8 C-1.17 C
201210.5 C+1.52 C
20149.6 C+0.64 C
20159.5 C+0.54 C
20169.2 C+0.25 C
20179.9 C+0.93 C
20189.9 C+0.95 C
20198.2 C-0.73 C
20209.3 C+0.36 C
20219.8 C+0.85 C
20228.7 C-0.23 C
20238.2 C-0.81 C
202410.1 C+1.12 C

The annual mean temperature here has risen by 0.2 C (0.1 to 0.4) per decade over 1986 to 2024. In Fahrenheit: 0.4 F (0.1 to 0.8) per decade. The slope is a straight line fitted to 38 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Upper Sand Wash Utah
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.2 C (0.1 to 0.4) per decade0.4 F (0.1 to 0.8) per decade1986 to 202438Rise
Mean daily maximum0.3 C (0.1 to 0.5) per decade0.5 F (0.1 to 0.9) per decade1986 to 202438Rise
Mean daily minimum0.21 C (0.00 to 0.41) per decade0.37 F (0.00 to 0.74) per decade1986 to 202438Not 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

1983 to 2026
Yearly extremes at Upper Sand Wash Utah: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)38.9 C (102.0 F)200236.1 C (97.0 F)43
Coldest night (TNn)-32.8 C (-27.0 F)1990-21.7 C (-7.1 F)43

Hottest day (TXx)

Hottest day (TXx) at Upper Sand Wash Utah by year The hottest day of the year at Upper Sand Wash Utah, 1983 to 2026. The record is 38.9 C (102.0 F) in 2002, marked on the chart; the median year is 36.1 C (97.0 F). 102030401990200020102020Record: 38.9 C (102.0 F) in 2002
The hottest day of the year at Upper Sand Wash Utah, 1983 to 2026. The record is 38.9 C (102.0 F) in 2002, marked on the chart; the median year is 36.1 C (97.0 F).
Hottest day (TXx) at Upper Sand Wash Utah by year
YearHottest day (TXx)
198318.6 C (65.5 F)
198433.6 C (92.5 F)
198534.8 C (94.6 F)
198635.0 C (95.0 F)
198735.6 C (96.1 F)
198835.0 C (95.0 F)
198937.2 C (99.0 F)
199035.6 C (96.1 F)
199134.4 C (93.9 F)
199234.4 C (93.9 F)
199333.9 C (93.0 F)
199435.6 C (96.1 F)
199536.1 C (97.0 F)
199635.6 C (96.1 F)
199735.6 C (96.1 F)
199837.2 C (99.0 F)
199935.0 C (95.0 F)
200036.7 C (98.1 F)
200137.8 C (100.0 F)
200238.9 C (102.0 F)
200337.8 C (100.0 F)
200435.6 C (96.1 F)
200537.8 C (100.0 F)
200637.8 C (100.0 F)
200736.7 C (98.1 F)
200836.7 C (98.1 F)
200935.6 C (96.1 F)
201036.7 C (98.1 F)
201134.4 C (93.9 F)
201236.1 C (97.0 F)
201337.8 C (100.0 F)
201435.6 C (96.1 F)
201536.1 C (97.0 F)
201636.7 C (98.1 F)
201736.1 C (97.0 F)
201836.7 C (98.1 F)
201935.6 C (96.1 F)
202036.7 C (98.1 F)
202137.2 C (99.0 F)
202236.1 C (97.0 F)
202338.9 C (102.0 F)
202436.7 C (98.1 F)
202637.8 C (100.0 F)

Coldest night (TNn)

Coldest night (TNn) at Upper Sand Wash Utah by year The coldest night of the year at Upper Sand Wash Utah, 1983 to 2026. The record is -32.8 C (-27.0 F) in 1990, marked on the chart; the median year is -21.7 C (-7.1 F). -35-30-25-20-15-101990200020102020Record: -32.8 C (-27.0 F) in 1990
The coldest night of the year at Upper Sand Wash Utah, 1983 to 2026. The record is -32.8 C (-27.0 F) in 1990, marked on the chart; the median year is -21.7 C (-7.1 F).
Coldest night (TNn) at Upper Sand Wash Utah by year
YearColdest night (TNn)
1983-13.8 C (7.2 F)
1984-29.9 C (-21.8 F)
1985-22.2 C (-8.0 F)
1986-18.3 C (-0.9 F)
1987-24.4 C (-11.9 F)
1988-22.2 C (-8.0 F)
1989-32.2 C (-26.0 F)
1990-32.8 C (-27.0 F)
1991-21.1 C (-6.0 F)
1992-21.1 C (-6.0 F)
1993-19.4 C (-2.9 F)
1994-20.0 C (-4.0 F)
1995-15.0 C (5.0 F)
1996-21.1 C (-6.0 F)
1997-21.7 C (-7.1 F)
1998-26.7 C (-16.1 F)
1999-16.7 C (1.9 F)
2000-16.1 C (3.0 F)
2001-17.8 C (0.0 F)
2002-21.1 C (-6.0 F)
2003-18.9 C (-2.0 F)
2004-21.7 C (-7.1 F)
2005-23.9 C (-11.0 F)
2006-18.3 C (-0.9 F)
2007-25.6 C (-14.1 F)
2008-20.6 C (-5.1 F)
2009-22.8 C (-9.0 F)
2010-25.0 C (-13.0 F)
2011-30.6 C (-23.1 F)
2012-23.3 C (-9.9 F)
2013-26.1 C (-15.0 F)
2014-25.6 C (-14.1 F)
2015-24.4 C (-11.9 F)
2016-23.9 C (-11.0 F)
2017-24.4 C (-11.9 F)
2018-21.1 C (-6.0 F)
2019-22.8 C (-9.0 F)
2020-20.0 C (-4.0 F)
2021-20.6 C (-5.1 F)
2022-22.8 C (-9.0 F)
2023-23.3 C (-9.9 F)
2024-18.9 C (-2.0 F)
2026-16.1 C (3.0 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

38 years with a frost

Across 38 years with a frost, the median last spring frost at Upper Sand Wash Utah falls on 24 May and the median first autumn frost on 1 October, which leaves a median of 129 days between them.

Fitted over all years, the growing season changes by +3.7 days per decade at this station.

Frost dates and growing season at Upper Sand Wash Utah
MeasureMedian, all yearsEarliest periodRecent period (1994 to 2024)Recent against earliestFitted trend
Last spring frost24 Mayn/a25 Mayn/a+0.2 days per decade
First autumn frost1 Octobern/a3 Octobern/a+3.9 days per decade
Growing days129 daysn/a131 daysn/a+3.7 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 Upper Sand Wash Utah standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Upper Sand Wash 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

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