Built 2026-10-16 (16 October 2026)

Big Indian Valley - Lasal 6S U Weather Records (USR0000BIGI)

Record envelope, standing records and threshold days for Big Indian Valley - Lasal 6S U (USR0000BIGI), Utah, United States, with 37 years of record.

Key Facts for Big Indian Valley - Lasal 6S U

  • Big Indian Valley - Lasal 6S U (USR0000BIGI) is a weather station in Utah, United States at 38.22 latitude and -109.28 longitude, 2,121 m (6,960 ft) above sea level.
  • The station reports from 1987 to 2023, 37 years of record.
  • 1,464 records set at Big Indian Valley - Lasal 6S U still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • Big Indian Valley - Lasal 6S U set a daily record high minimum temperature of 13.9 C (57.0 F) on 9 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, 38.22 latitude, -109.28 longitude.
  • Elevation: 2,121 m (6,960 ft).
  • Period of record: 1987 to 2023, 37 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

34 days at or beyond a record
Daily record high and record low at Big Indian Valley - Lasal 6S U, with 2026 drawn through them The band shows the record high and record low for each calendar day at Big Indian Valley - Lasal 6S U. The lines show the 2026 daily maximum and minimum. 34 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 Big Indian Valley - Lasal 6S U. The lines show the 2026 daily maximum and minimum. 34 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Big Indian Valley - Lasal 6S U, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan14.4 C (57.9 F)-19.4 C (-2.9 F)10.0 C (50.0 F)-10.6 C (12.9 F)
Feb18.3 C (64.9 F)-25.6 C (-14.1 F)15.6 C (60.1 F)-9.4 C (15.1 F)
Mar28.3 C (82.9 F)-14.4 C (6.1 F)28.3 C (82.9 F)-4.4 C (24.1 F)
Apr28.3 C (82.9 F)-10.6 C (12.9 F)23.3 C (73.9 F)-5.6 C (21.9 F)
May33.9 C (93.0 F)-5.0 C (23.0 F)31.7 C (89.1 F)1.1 C (34.0 F)
Jun37.2 C (99.0 F)0.0 C (32.0 F)33.3 C (91.9 F)10.6 C (51.1 F)
Jul38.9 C (102.0 F)7.2 C (45.0 F)36.1 C (97.0 F)13.9 C (57.0 F)
Aug36.1 C (97.0 F)6.8 C (44.2 F)36.1 C (97.0 F)12.2 C (54.0 F)
Sep35.0 C (95.0 F)-1.1 C (30.0 F)29.4 C (84.9 F)9.4 C (48.9 F)
Oct30.6 C (87.1 F)-16.1 C (3.0 F)27.2 C (81.0 F)10.0 C (50.0 F)
Nov21.1 C (70.0 F)-16.1 C (3.0 F)n/an/a
Dec16.1 C (61.0 F)-23.3 C (-9.9 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Big Indian Valley - Lasal 6S U by the year they were set 1,464 records at Big Indian Valley - Lasal 6S U still stand. 1989 holds the most, with 78. 0204060801987: 101988: 401989: 781990: 591991: 471992: 451993: 171994: 271995: 421996: 591997: 261998: 271999: 462000: 512001: 412002: 382003: 442004: 302005: 332006: 382007: 262008: 272009: 302010: 312011: 392012: 232013: 502014: 312015: 442016: 242017: 432018: 192019: 342020: 472021: 342022: 272023: 232024: 212025: 432026: 501987199119951999200320072011201520192023
1,464 records at Big Indian Valley - Lasal 6S U still stand. 1989 holds the most, with 78.
Standing records at Big Indian Valley - Lasal 6S U by the year they were set
Year setStanding records
198710
198840
198978
199059
199147
199245
199317
199427
199542
199659
199726
199827
199946
200051
200141
200238
200344
200430
200533
200638
200726
200827
200930
201031
201139
201223
201350
201431
201544
201624
201743
201819
201934
202047
202134
202227
202323
202421
202543
202650

Period of Record Coverage

1987 to 2026
Days with data per year at Big Indian Valley - Lasal 6S U 40 years of record at Big Indian Valley - Lasal 6S U, 1987 to 2026. 2 years have data for under 90 percent of days and are left out of rankings: 1987, 2026. 1987: 119 of 365 days1988: 363 of 366 days1989: 365 of 365 days1990: 365 of 365 days1991: 365 of 365 days1992: 366 of 366 days1993: 337 of 365 days1994: 363 of 365 days1995: 363 of 365 days1996: 366 of 366 days1997: 360 of 365 days1998: 364 of 365 days1999: 354 of 365 days2000: 366 of 366 days2001: 365 of 365 days2002: 364 of 365 days2003: 365 of 365 days2004: 365 of 366 days2005: 365 of 365 days2006: 365 of 365 days2007: 365 of 365 days2008: 365 of 366 days2009: 365 of 365 days2010: 364 of 365 days2011: 365 of 365 days2012: 366 of 366 days2013: 362 of 365 days2014: 364 of 365 days2015: 365 of 365 days2016: 364 of 366 days2017: 364 of 365 days2018: 364 of 365 days2019: 365 of 365 days2020: 366 of 366 days2021: 363 of 365 days2022: 364 of 365 days2023: 365 of 365 days2024: 366 of 366 days2025: 364 of 365 days2026: 284 of 365 days19901995200020052010201520202025
40 years of record at Big Indian Valley - Lasal 6S U, 1987 to 2026. 2 years have data for under 90 percent of days and are left out of rankings: 1987, 2026.
Days with data per year at Big Indian Valley - Lasal 6S U
YearDays with dataShare of yearComplete
198711933%No
198836399%Yes
1989365100%Yes
1990365100%Yes
1991365100%Yes
1992366100%Yes
199333792%Yes
199436399%Yes
199536399%Yes
1996366100%Yes
199736099%Yes
1998364100%Yes
199935497%Yes
2000366100%Yes
2001365100%Yes
2002364100%Yes
2003365100%Yes
2004365100%Yes
2005365100%Yes
2006365100%Yes
2007365100%Yes
2008365100%Yes
2009365100%Yes
2010364100%Yes
2011365100%Yes
2012366100%Yes
201336299%Yes
2014364100%Yes
2015365100%Yes
201636499%Yes
2017364100%Yes
2018364100%Yes
2019365100%Yes
2020366100%Yes
202136399%Yes
2022364100%Yes
2023365100%Yes
2024366100%Yes
2025364100%Yes
202628478%No

Latest Records

20
Latest records at Big Indian Valley - Lasal 6S U
DateStationRecordValueBeat old record byOld record stoodSignificance
9 October 2026Big Indian Valley - Lasal 6S U, USdaily high min (Provisional)13.9 C (57.0 F)0.6 C (1.1 F)35 years15 of 100 (Routine)
7 October 2026Big Indian Valley - Lasal 6S U, USdaily high max (Tie, Provisional)26.1 C (79.0 F)tie5 years1 of 100 (Routine)
7 October 2026Big Indian Valley - Lasal 6S U, USdaily high min (Tie, Provisional)14.4 C (57.9 F)tie1 year1 of 100 (Routine)
6 October 2026Big Indian Valley - Lasal 6S U, USdaily high min (Provisional)15.6 C (60.1 F)1.2 C (2.2 F)39 years17 of 100 (Routine)
6 October 2026Big Indian Valley - Lasal 6S U, USdaily high max (Tie, Provisional)26.1 C (79.0 F)tie5 years1 of 100 (Routine)
5 October 2026Big Indian Valley - Lasal 6S U, USdaily high max (Provisional)27.2 C (81.0 F)1.6 C (2.9 F)28 years14 of 100 (Routine)
31 August 2026Big Indian Valley - Lasal 6S U, USdaily low max (Provisional)15.6 C (60.1 F)0.5 C (0.9 F)33 years15 of 100 (Routine)
28 August 2026Big Indian Valley - Lasal 6S U, USdaily high min (Tie, Provisional)19.4 C (66.9 F)tie24 years2 of 100 (Routine)
27 August 2026Big Indian Valley - Lasal 6S U, USdaily high max (Tie, Provisional)33.9 C (93.0 F)tie24 years2 of 100 (Routine)
26 August 2026Big Indian Valley - Lasal 6S U, USdaily high max (Provisional)33.9 C (93.0 F)1.1 C (2.0 F)19 years12 of 100 (Routine)
20 August 2026Big Indian Valley - Lasal 6S U, USdaily high max (Provisional)35.6 C (96.1 F)0.6 C (1.1 F)5 years6 of 100 (Routine)
19 August 2026Big Indian Valley - Lasal 6S U, USdaily high min (Provisional)22.8 C (73.0 F)1.7 C (3.1 F)5 years11 of 100 (Routine)
18 August 2026Big Indian Valley - Lasal 6S U, USdaily high min (Tie, Provisional)21.7 C (71.1 F)tie24 years2 of 100 (Routine)
11 August 2026Big Indian Valley - Lasal 6S U, USdaily high min21.1 C (70.0 F)0.5 C (0.9 F)21 years11 of 100 (Routine)
10 August 2026Big Indian Valley - Lasal 6S U, USdaily high min20.6 C (69.1 F)0.6 C (1.1 F)25 years13 of 100 (Routine)
9 August 2026Big Indian Valley - Lasal 6S U, USdaily high min22.8 C (73.0 F)1.4 C (2.5 F)4 years10 of 100 (Routine)
8 August 2026Big Indian Valley - Lasal 6S U, USdaily high min22.2 C (72.0 F)1.1 C (2.0 F)31 years17 of 100 (Routine)
8 August 2026Big Indian Valley - Lasal 6S U, USmonthly high max (Tie)36.1 C (97.0 F)tie26 years5 of 100 (Routine)
7 August 2026Big Indian Valley - Lasal 6S U, USmonthly high max (Tie)36.1 C (97.0 F)tie26 years5 of 100 (Routine)
7 August 2026Big Indian Valley - Lasal 6S U, USdaily high min (Tie)21.7 C (71.1 F)tie31 years3 of 100 (Routine)

Climate Trend

37 complete years, 1988 to 2025
Annual mean temperature at Big Indian Valley - Lasal 6S U as warming stripes, 1988 to 2025 One stripe for each of 37 complete years at Big Indian Valley - Lasal 6S U, 1988 to 2025. Blue stripes are years cooler than the station's own mean of 10.8 C (51.5 F); red stripes are warmer. The coolest year was 1991, at 9.4 C (49.0 F), and the warmest was 2025, at 12.3 C (54.1 F). The strongest colour marks a difference of 1.5 C (2.7 F). 1988: 10.0 C, -0.8 C from the station mean1989: 11.1 C, +0.3 C from the station mean1990: 10.2 C, -0.7 C from the station mean1991: 9.4 C, -1.4 C from the station mean1992: 10.2 C, -0.6 C from the station mean1994: 10.9 C, +0.1 C from the station mean1995: 10.7 C, -0.2 C from the station mean1996: 11.0 C, +0.1 C from the station mean1997: 10.0 C, -0.9 C from the station mean1998: 10.3 C, -0.6 C from the station mean1999: 10.6 C, -0.3 C from the station mean2000: 11.1 C, +0.2 C from the station mean2001: 11.3 C, +0.4 C from the station mean2002: 10.8 C, -0.1 C from the station mean2003: 11.5 C, +0.7 C from the station mean2004: 10.5 C, -0.3 C from the station mean2005: 11.1 C, +0.3 C from the station mean2006: 10.9 C, 0.0 C from the station mean2007: 11.4 C, +0.6 C from the station mean2008: 10.3 C, -0.5 C from the station mean2009: 10.8 C, 0.0 C from the station mean2010: 10.6 C, -0.3 C from the station mean2011: 10.0 C, -0.8 C from the station mean2012: 11.7 C, +0.9 C from the station mean2013: 9.7 C, -1.1 C from the station mean2014: 11.1 C, +0.2 C from the station mean2015: 11.2 C, +0.4 C from the station mean2016: 11.2 C, +0.4 C from the station mean2017: 12.0 C, +1.1 C from the station mean2018: 11.6 C, +0.7 C from the station mean2019: 10.2 C, -0.7 C from the station mean2020: 11.5 C, +0.6 C from the station mean2021: 11.4 C, +0.6 C from the station mean2022: 10.7 C, -0.1 C from the station mean2023: 10.6 C, -0.3 C from the station mean2024: 11.7 C, +0.8 C from the station mean2025: 12.3 C, +1.4 C from the station mean19881995200020052010201520202025
One stripe for each of 37 complete years at Big Indian Valley - Lasal 6S U, 1988 to 2025. Blue stripes are years cooler than the station's own mean of 10.8 C (51.5 F); red stripes are warmer. The coolest year was 1991, at 9.4 C (49.0 F), and the warmest was 2025, at 12.3 C (54.1 F). The strongest colour marks a difference of 1.5 C (2.7 F).
Annual mean temperature at Big Indian Valley - Lasal 6S U as warming stripes, 1988 to 2025
YearAnnual mean temperatureDifference from the station mean
198810.0 C-0.85 C
198911.1 C+0.26 C
199010.2 C-0.69 C
19919.4 C-1.42 C
199210.2 C-0.61 C
199410.9 C+0.06 C
199510.7 C-0.17 C
199611.0 C+0.11 C
199710.0 C-0.87 C
199810.3 C-0.59 C
199910.6 C-0.29 C
200011.1 C+0.23 C
200111.3 C+0.41 C
200210.8 C-0.06 C
200311.5 C+0.69 C
200410.5 C-0.33 C
200511.1 C+0.25 C
200610.9 C+0.03 C
200711.4 C+0.59 C
200810.3 C-0.51 C
200910.8 C-0.05 C
201010.6 C-0.29 C
201110.0 C-0.82 C
201211.7 C+0.85 C
20139.7 C-1.12 C
201411.1 C+0.21 C
201511.2 C+0.35 C
201611.2 C+0.36 C
201712.0 C+1.10 C
201811.6 C+0.70 C
201910.2 C-0.68 C
202011.5 C+0.63 C
202111.4 C+0.58 C
202210.7 C-0.13 C
202310.6 C-0.26 C
202411.7 C+0.81 C
202512.3 C+1.42 C

The annual mean temperature here has risen by 0.3 C (0.1 to 0.5) per decade over 1988 to 2025. In Fahrenheit: 0.5 F (0.2 to 0.8) per decade. The slope is a straight line fitted to 37 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Big Indian Valley - Lasal 6S U
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.3 C (0.1 to 0.5) per decade0.5 F (0.2 to 0.8) per decade1988 to 202537Rise
Mean daily maximum0.25 C (0.05 to 0.45) per decade0.4 F (0.1 to 0.8) per decade1988 to 202537Rise
Mean daily minimum0.3 C (0.1 to 0.5) per decade0.6 F (0.3 to 0.9) per decade1988 to 202537Rise

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

1987 to 2026
Yearly extremes at Big Indian Valley - Lasal 6S U: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)38.9 C (102.0 F)200536.1 C (97.0 F)40
Coldest night (TNn)-25.6 C (-14.1 F)1989-15.6 C (3.9 F)40

Hottest day (TXx)

Hottest day (TXx) at Big Indian Valley - Lasal 6S U by year The hottest day of the year at Big Indian Valley - Lasal 6S U, 1987 to 2026. The record is 38.9 C (102.0 F) in 2005, marked on the chart; the median year is 36.1 C (97.0 F). 253035401990200020102020Record: 38.9 C (102.0 F) in 2005
The hottest day of the year at Big Indian Valley - Lasal 6S U, 1987 to 2026. The record is 38.9 C (102.0 F) in 2005, marked on the chart; the median year is 36.1 C (97.0 F).
Hottest day (TXx) at Big Indian Valley - Lasal 6S U by year
YearHottest day (TXx)
198726.1 C (79.0 F)
198834.4 C (93.9 F)
198938.3 C (100.9 F)
199037.2 C (99.0 F)
199134.4 C (93.9 F)
199233.9 C (93.0 F)
199333.9 C (93.0 F)
199435.6 C (96.1 F)
199535.6 C (96.1 F)
199635.6 C (96.1 F)
199735.0 C (95.0 F)
199838.3 C (100.9 F)
199933.9 C (93.0 F)
200036.1 C (97.0 F)
200136.7 C (98.1 F)
200237.8 C (100.0 F)
200338.3 C (100.9 F)
200437.8 C (100.0 F)
200538.9 C (102.0 F)
200638.3 C (100.9 F)
200737.2 C (99.0 F)
200835.0 C (95.0 F)
200937.2 C (99.0 F)
201037.2 C (99.0 F)
201136.1 C (97.0 F)
201234.4 C (93.9 F)
201336.7 C (98.1 F)
201436.1 C (97.0 F)
201535.6 C (96.1 F)
201636.7 C (98.1 F)
201736.1 C (97.0 F)
201835.0 C (95.0 F)
201933.9 C (93.0 F)
202036.1 C (97.0 F)
202137.3 C (99.1 F)
202236.1 C (97.0 F)
202336.1 C (97.0 F)
202436.7 C (98.1 F)
202535.6 C (96.1 F)
202636.1 C (97.0 F)

Coldest night (TNn)

Coldest night (TNn) at Big Indian Valley - Lasal 6S U by year The coldest night of the year at Big Indian Valley - Lasal 6S U, 1987 to 2026. The record is -25.6 C (-14.1 F) in 1989, marked on the chart; the median year is -15.6 C (3.9 F). -30-25-20-15-101990200020102020Record: -25.6 C (-14.1 F) in 1989
The coldest night of the year at Big Indian Valley - Lasal 6S U, 1987 to 2026. The record is -25.6 C (-14.1 F) in 1989, marked on the chart; the median year is -15.6 C (3.9 F).
Coldest night (TNn) at Big Indian Valley - Lasal 6S U by year
YearColdest night (TNn)
1987-16.1 C (3.0 F)
1988-15.6 C (3.9 F)
1989-25.6 C (-14.1 F)
1990-23.3 C (-9.9 F)
1991-13.3 C (8.1 F)
1992-14.4 C (6.1 F)
1993-13.3 C (8.1 F)
1994-15.6 C (3.9 F)
1995-10.0 C (14.0 F)
1996-17.8 C (0.0 F)
1997-14.4 C (6.1 F)
1998-16.1 C (3.0 F)
1999-12.8 C (9.0 F)
2000-12.2 C (10.0 F)
2001-13.3 C (8.1 F)
2002-16.1 C (3.0 F)
2003-15.6 C (3.9 F)
2004-15.6 C (3.9 F)
2005-17.2 C (1.0 F)
2006-16.1 C (3.0 F)
2007-17.8 C (0.0 F)
2008-16.1 C (3.0 F)
2009-15.0 C (5.0 F)
2010-16.7 C (1.9 F)
2011-21.7 C (-7.1 F)
2012-14.4 C (6.1 F)
2013-19.4 C (-2.9 F)
2014-16.7 C (1.9 F)
2015-15.6 C (3.9 F)
2016-15.0 C (5.0 F)
2017-18.3 C (-0.9 F)
2018-13.9 C (7.0 F)
2019-16.1 C (3.0 F)
2020-14.8 C (5.4 F)
2021-11.7 C (10.9 F)
2022-14.4 C (6.1 F)
2023-15.6 C (3.9 F)
2024-12.8 C (9.0 F)
2025-15.0 C (5.0 F)
2026-10.6 C (12.9 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

37 years with a frost

Across 37 years with a frost, the median last spring frost at Big Indian Valley - Lasal 6S U falls on 2 May and the median first autumn frost on 12 October, which leaves a median of 166 days between them.

Fitted over all years, the growing season changes by +2.9 days per decade at this station.

Frost dates and growing season at Big Indian Valley - Lasal 6S U
MeasureMedian, all yearsEarliest periodRecent period (1996 to 2025)Recent against earliestFitted trend
Last spring frost2 Mayn/a2 Mayn/a-1.8 days per decade
First autumn frost12 Octobern/a11 Octobern/a+1.1 days per decade
Growing days166 daysn/a161 daysn/a+2.9 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 Big Indian Valley - Lasal 6S U standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Big Indian Valley - Lasal 6S U 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).