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Kelsay Butte Oregon Weather Records (USR0000OKEL)

Record envelope, standing records and threshold days for Kelsay Butte Oregon (USR0000OKEL), Oregon, United States, with 39 years of record.

Key Facts for Kelsay Butte Oregon

  • Kelsay Butte Oregon (USR0000OKEL) is a weather station in Oregon, United States at 43.90 latitude and -117.99 longitude, 1,581 m (5,187 ft) above sea level.
  • The station reports from 1985 to 2023, 39 years of record.
  • 1,464 records set at Kelsay Butte Oregon still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • Kelsay Butte Oregon set a monthly record high minimum temperature of 18.3 C (64.9 F) on 8 October 2026 (provisional).

Provisional Records

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

About the Station

  • Location: Oregon, United States, 43.90 latitude, -117.99 longitude.
  • Elevation: 1,581 m (5,187 ft).
  • Period of record: 1985 to 2023, 39 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

20 days at or beyond a record
Daily record high and record low at Kelsay Butte Oregon, with 2026 drawn through them The band shows the record high and record low for each calendar day at Kelsay Butte Oregon. The lines show the 2026 daily maximum and minimum. 20 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 Kelsay Butte Oregon. The lines show the 2026 daily maximum and minimum. 20 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Kelsay Butte Oregon, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan14.4 C (57.9 F)-22.8 C (-9.0 F)11.1 C (52.0 F)-11.1 C (12.0 F)
Feb16.7 C (62.1 F)-22.9 C (-9.2 F)12.2 C (54.0 F)-8.9 C (16.0 F)
Mar24.4 C (75.9 F)-16.3 C (2.7 F)24.4 C (75.9 F)-6.1 C (21.0 F)
Apr27.2 C (81.0 F)-9.4 C (15.1 F)20.0 C (68.0 F)-6.1 C (21.0 F)
May31.7 C (89.1 F)-6.7 C (19.9 F)25.6 C (78.1 F)-1.7 C (28.9 F)
Jun34.4 C (93.9 F)-2.9 C (26.8 F)29.4 C (84.9 F)0.6 C (33.1 F)
Jul38.3 C (100.9 F)-1.0 C (30.2 F)34.4 C (93.9 F)9.4 C (48.9 F)
Aug37.8 C (100.0 F)0.6 C (33.1 F)35.0 C (95.0 F)3.9 C (39.0 F)
Sep35.0 C (95.0 F)-3.3 C (26.1 F)27.8 C (82.0 F)2.8 C (37.0 F)
Oct29.4 C (84.9 F)-13.3 C (8.1 F)27.2 C (81.0 F)-1.7 C (28.9 F)
Nov19.4 C (66.9 F)-19.4 C (-2.9 F)n/an/a
Dec14.4 C (57.9 F)-28.3 C (-18.9 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Kelsay Butte Oregon by the year they were set 1,464 records at Kelsay Butte Oregon still stand. 1985 holds the most, with 74. 0204060801985: 741986: 491987: 481988: 371989: 431990: 561991: 351992: 541993: 431994: 421995: 411996: 611997: 191998: 171999: 432000: 212001: 202002: 392003: 522004: 232005: 292006: 212007: 232008: 382009: 302010: 302011: 222012: 222013: 282014: 252015: 492016: 262017: 362018: 202019: 152020: 322021: 372022: 412023: 382024: 292025: 312026: 25198519901995200020052010201520202025
1,464 records at Kelsay Butte Oregon still stand. 1985 holds the most, with 74.
Standing records at Kelsay Butte Oregon by the year they were set
Year setStanding records
198574
198649
198748
198837
198943
199056
199135
199254
199343
199442
199541
199661
199719
199817
199943
200021
200120
200239
200352
200423
200529
200621
200723
200838
200930
201030
201122
201222
201328
201425
201549
201626
201736
201820
201915
202032
202137
202241
202338
202429
202531
202625

All-Time Record Progression

1 new records
When Kelsay Butte Oregon set new all-time records 1 all-time records were set at Kelsay Butte Oregon between 31 July 2022 and 31 July 2022. Each dot is a new record. Record high minimum temperature31 July 2022: Record high minimum temperature 25.6 C (78.1 F)
1 all-time records were set at Kelsay Butte Oregon between 31 July 2022 and 31 July 2022. Each dot is a new record.
When Kelsay Butte Oregon set new all-time records
DateKindDetail
2022-07-31Record high minimum temperatureRecord high minimum temperature 25.6 C (78.1 F)

Period of Record Coverage

1985 to 2026
Days with data per year at Kelsay Butte Oregon 42 years of record at Kelsay Butte Oregon, 1985 to 2026. 2 years have data for under 90 percent of days and are left out of rankings: 1985, 2026. 1985: 314 of 365 days1986: 358 of 365 days1987: 357 of 365 days1988: 361 of 366 days1989: 363 of 365 days1990: 364 of 365 days1991: 362 of 365 days1992: 362 of 366 days1993: 356 of 365 days1994: 363 of 365 days1995: 362 of 365 days1996: 365 of 366 days1997: 363 of 365 days1998: 365 of 365 days1999: 363 of 365 days2000: 366 of 366 days2001: 364 of 365 days2002: 365 of 365 days2003: 361 of 365 days2004: 365 of 366 days2005: 365 of 365 days2006: 365 of 365 days2007: 364 of 365 days2008: 366 of 366 days2009: 365 of 365 days2010: 364 of 365 days2011: 364 of 365 days2012: 366 of 366 days2013: 365 of 365 days2014: 363 of 365 days2015: 352 of 365 days2016: 366 of 366 days2017: 363 of 365 days2018: 365 of 365 days2019: 364 of 365 days2020: 365 of 366 days2021: 364 of 365 days2022: 364 of 365 days2023: 360 of 365 days2024: 365 of 366 days2025: 365 of 365 days2026: 284 of 365 days1990200020102020
42 years of record at Kelsay Butte Oregon, 1985 to 2026. 2 years have data for under 90 percent of days and are left out of rankings: 1985, 2026.
Days with data per year at Kelsay Butte Oregon
YearDays with dataShare of yearComplete
198531486%No
198635898%Yes
198735798%Yes
198836199%Yes
198936399%Yes
1990364100%Yes
199136299%Yes
199236299%Yes
199335698%Yes
199436399%Yes
199536299%Yes
1996365100%Yes
199736399%Yes
1998365100%Yes
199936399%Yes
2000366100%Yes
2001364100%Yes
2002365100%Yes
200336199%Yes
2004365100%Yes
2005365100%Yes
2006365100%Yes
2007364100%Yes
2008366100%Yes
2009365100%Yes
2010364100%Yes
2011364100%Yes
2012366100%Yes
2013365100%Yes
201436399%Yes
201535296%Yes
2016366100%Yes
201736399%Yes
2018365100%Yes
2019364100%Yes
2020365100%Yes
2021364100%Yes
2022364100%Yes
202336099%Yes
2024365100%Yes
2025365100%Yes
202628478%No

Latest Records

20
Latest records at Kelsay Butte Oregon
DateStationRecordValueBeat old record byOld record stoodSignificance
8 October 2026Kelsay Butte Oregon, USmonthly high min (Provisional)18.3 C (64.9 F)0.5 C (0.9 F)6 years16 of 100 (Routine)
8 October 2026Kelsay Butte Oregon, USdaily high max (Tie, Provisional)26.7 C (80.1 F)tie29 years3 of 100 (Routine)
7 October 2026Kelsay Butte Oregon, USdaily high max (Provisional)27.2 C (81.0 F)0.5 C (0.9 F)29 years12 of 100 (Routine)
7 October 2026Kelsay Butte Oregon, USdaily high min (Provisional)16.1 C (61.0 F)0.5 C (0.9 F)12 years8 of 100 (Routine)
6 October 2026Kelsay Butte Oregon, USdaily high max (Provisional)26.7 C (80.1 F)1.1 C (2.0 F)23 years11 of 100 (Routine)
6 October 2026Kelsay Butte Oregon, USdaily high min (Tie, Provisional)15.0 C (59.0 F)tie4 years1 of 100 (Routine)
5 October 2026Kelsay Butte Oregon, USdaily high max (Provisional)26.7 C (80.1 F)1.1 C (2.0 F)23 years11 of 100 (Routine)
5 October 2026Kelsay Butte Oregon, USdaily high min (Provisional)15.6 C (60.1 F)1.7 C (3.1 F)4 years8 of 100 (Routine)
4 October 2026Kelsay Butte Oregon, USdaily high max (Provisional)26.7 C (80.1 F)1.0 C (1.8 F)37 years16 of 100 (Routine)
4 October 2026Kelsay Butte Oregon, USdaily high min (Provisional)15.6 C (60.1 F)1.7 C (3.1 F)5 years8 of 100 (Routine)
4 September 2026Kelsay Butte Oregon, USdaily low max (Provisional)11.1 C (52.0 F)3.3 C (5.9 F)25 years16 of 100 (Routine)
4 September 2026Kelsay Butte Oregon, USdaily low min (Provisional)2.8 C (37.0 F)0.5 C (0.9 F)11 years7 of 100 (Routine)
3 September 2026Kelsay Butte Oregon, USdaily low max (Provisional)10.0 C (50.0 F)3.9 C (7.0 F)25 years17 of 100 (Routine)
26 August 2026Kelsay Butte Oregon, USdaily high min (Tie, Provisional)18.9 C (66.0 F)tie24 years2 of 100 (Routine)
21 August 2026Kelsay Butte Oregon, USdaily high max (Provisional)34.4 C (93.9 F)1.1 C (2.0 F)35 years16 of 100 (Routine)
21 August 2026Kelsay Butte Oregon, USdaily high min (Provisional)22.8 C (73.0 F)2.2 C (4.0 F)20 years15 of 100 (Routine)
20 August 2026Kelsay Butte Oregon, USdaily high min (Provisional)21.1 C (70.0 F)2.2 C (4.0 F)35 years19 of 100 (Routine)
19 August 2026Kelsay Butte Oregon, USdaily high min (Tie, Provisional)18.3 C (64.9 F)tie35 years3 of 100 (Routine)
7 August 2026Kelsay Butte Oregon, USdaily high min22.8 C (73.0 F)0.6 C (1.1 F)36 years15 of 100 (Routine)
28 June 2026Kelsay Butte Oregon, USdaily low min2.8 C (37.0 F)0.5 C (0.9 F)37 years16 of 100 (Routine)

Climate Trend

40 complete years, 1986 to 2025
Annual mean temperature at Kelsay Butte Oregon as warming stripes, 1986 to 2025 One stripe for each of 40 complete years at Kelsay Butte Oregon, 1986 to 2025. Blue stripes are years cooler than the station's own mean of 8.1 C (46.5 F); red stripes are warmer. The coolest year was 1993, at 6.1 C (43.0 F), and the warmest was 2015, at 9.8 C (49.6 F). The strongest colour marks a difference of 2.0 C (3.6 F). 1986: 7.0 C, -1.0 C from the station mean1987: 7.6 C, -0.5 C from the station mean1988: 7.2 C, -0.9 C from the station mean1989: 6.2 C, -1.9 C from the station mean1990: 7.7 C, -0.4 C from the station mean1991: 7.9 C, -0.2 C from the station mean1992: 8.9 C, +0.9 C from the station mean1993: 6.1 C, -2.0 C from the station mean1994: 8.6 C, +0.5 C from the station mean1995: 7.7 C, -0.3 C from the station mean1996: 7.9 C, -0.2 C from the station mean1997: 8.4 C, +0.3 C from the station mean1998: 8.0 C, 0.0 C from the station mean1999: 7.8 C, -0.3 C from the station mean2000: 7.7 C, -0.4 C from the station mean2001: 8.0 C, 0.0 C from the station mean2002: 8.0 C, -0.1 C from the station mean2003: 8.9 C, +0.9 C from the station mean2004: 8.3 C, +0.2 C from the station mean2005: 8.2 C, +0.1 C from the station mean2006: 8.5 C, +0.4 C from the station mean2007: 8.7 C, +0.7 C from the station mean2008: 7.5 C, -0.6 C from the station mean2009: 7.5 C, -0.6 C from the station mean2010: 7.3 C, -0.8 C from the station mean2011: 7.4 C, -0.7 C from the station mean2012: 8.9 C, +0.8 C from the station mean2013: 8.2 C, +0.1 C from the station mean2014: 9.1 C, +1.1 C from the station mean2015: 9.8 C, +1.7 C from the station mean2016: 8.6 C, +0.5 C from the station mean2017: 8.1 C, 0.0 C from the station mean2018: 8.4 C, +0.3 C from the station mean2019: 7.5 C, -0.6 C from the station mean2020: 8.7 C, +0.6 C from the station mean2021: 9.0 C, +0.9 C from the station mean2022: 8.0 C, -0.1 C from the station mean2023: 7.6 C, -0.5 C from the station mean2024: 8.9 C, +0.8 C from the station mean2025: 9.3 C, +1.2 C from the station mean198619901995200020052010201520202025
One stripe for each of 40 complete years at Kelsay Butte Oregon, 1986 to 2025. Blue stripes are years cooler than the station's own mean of 8.1 C (46.5 F); red stripes are warmer. The coolest year was 1993, at 6.1 C (43.0 F), and the warmest was 2015, at 9.8 C (49.6 F). The strongest colour marks a difference of 2.0 C (3.6 F).
Annual mean temperature at Kelsay Butte Oregon as warming stripes, 1986 to 2025
YearAnnual mean temperatureDifference from the station mean
19867.0 C-1.05 C
19877.6 C-0.51 C
19887.2 C-0.87 C
19896.2 C-1.86 C
19907.7 C-0.40 C
19917.9 C-0.19 C
19928.9 C+0.85 C
19936.1 C-1.96 C
19948.6 C+0.51 C
19957.7 C-0.35 C
19967.9 C-0.18 C
19978.4 C+0.30 C
19988.0 C-0.03 C
19997.8 C-0.29 C
20007.7 C-0.38 C
20018.0 C-0.04 C
20028.0 C-0.12 C
20038.9 C+0.87 C
20048.3 C+0.18 C
20058.2 C+0.11 C
20068.5 C+0.39 C
20078.7 C+0.67 C
20087.5 C-0.58 C
20097.5 C-0.61 C
20107.3 C-0.77 C
20117.4 C-0.72 C
20128.9 C+0.84 C
20138.2 C+0.14 C
20149.1 C+1.07 C
20159.8 C+1.72 C
20168.6 C+0.50 C
20178.1 C+0.02 C
20188.4 C+0.34 C
20197.5 C-0.60 C
20208.7 C+0.58 C
20219.0 C+0.94 C
20228.0 C-0.12 C
20237.6 C-0.46 C
20248.9 C+0.84 C
20259.3 C+1.19 C

The annual mean temperature here has risen by 0.3 C (0.1 to 0.5) per decade over 1986 to 2025. In Fahrenheit: 0.6 F (0.2 to 0.9) per decade. The slope is a straight line fitted to 40 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Kelsay Butte Oregon
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.3 C (0.1 to 0.5) per decade0.6 F (0.2 to 0.9) per decade1986 to 202540Rise
Mean daily maximum0.23 C (0.00 to 0.45) per decade0.41 F (0.00 to 0.81) per decade1986 to 202540Rise
Mean daily minimum0.4 C (0.2 to 0.6) per decade0.8 F (0.4 to 1.1) per decade1986 to 202540Rise

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

1985 to 2026
Yearly extremes at Kelsay Butte Oregon: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)38.3 C (100.9 F)200335.0 C (95.0 F)42
Coldest night (TNn)-28.3 C (-18.9 F)1990-16.5 C (2.3 F)42

Hottest day (TXx)

Hottest day (TXx) at Kelsay Butte Oregon by year The hottest day of the year at Kelsay Butte Oregon, 1985 to 2026. The record is 38.3 C (100.9 F) in 2003, marked on the chart; the median year is 35.0 C (95.0 F). 3032343638401990200020102020Record: 38.3 C (100.9 F) in 2003
The hottest day of the year at Kelsay Butte Oregon, 1985 to 2026. The record is 38.3 C (100.9 F) in 2003, marked on the chart; the median year is 35.0 C (95.0 F).
Hottest day (TXx) at Kelsay Butte Oregon by year
YearHottest day (TXx)
198532.3 C (90.1 F)
198633.6 C (92.5 F)
198732.7 C (90.9 F)
198835.5 C (95.9 F)
198933.6 C (92.5 F)
199037.8 C (100.0 F)
199134.4 C (93.9 F)
199234.4 C (93.9 F)
199331.7 C (89.1 F)
199435.6 C (96.1 F)
199532.2 C (90.0 F)
199635.6 C (96.1 F)
199733.9 C (93.0 F)
199836.1 C (97.0 F)
199935.0 C (95.0 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)
200433.9 C (93.0 F)
200536.1 C (97.0 F)
200636.7 C (98.1 F)
200736.1 C (97.0 F)
200832.8 C (91.0 F)
200935.0 C (95.0 F)
201033.9 C (93.0 F)
201133.9 C (93.0 F)
201235.0 C (95.0 F)
201336.7 C (98.1 F)
201434.4 C (93.9 F)
201535.6 C (96.1 F)
201634.4 C (93.9 F)
201735.0 C (95.0 F)
201836.7 C (98.1 F)
201933.3 C (91.9 F)
202037.2 C (99.0 F)
202135.6 C (96.1 F)
202236.1 C (97.0 F)
202335.6 C (96.1 F)
202436.7 C (98.1 F)
202534.4 C (93.9 F)
202635.0 C (95.0 F)

Coldest night (TNn)

Coldest night (TNn) at Kelsay Butte Oregon by year The coldest night of the year at Kelsay Butte Oregon, 1985 to 2026. The record is -28.3 C (-18.9 F) in 1990, marked on the chart; the median year is -16.5 C (2.3 F). -30-25-20-15-101990200020102020Record: -28.3 C (-18.9 F) in 1990
The coldest night of the year at Kelsay Butte Oregon, 1985 to 2026. The record is -28.3 C (-18.9 F) in 1990, marked on the chart; the median year is -16.5 C (2.3 F).
Coldest night (TNn) at Kelsay Butte Oregon by year
YearColdest night (TNn)
1985-21.0 C (-5.8 F)
1986-13.9 C (7.0 F)
1987-16.3 C (2.7 F)
1988-19.4 C (-2.9 F)
1989-22.9 C (-9.2 F)
1990-28.3 C (-18.9 F)
1991-13.3 C (8.1 F)
1992-16.1 C (3.0 F)
1993-17.8 C (0.0 F)
1994-12.8 C (9.0 F)
1995-15.6 C (3.9 F)
1996-21.1 C (-6.0 F)
1997-16.7 C (1.9 F)
1998-23.3 C (-9.9 F)
1999-12.8 C (9.0 F)
2000-11.7 C (10.9 F)
2001-12.8 C (9.0 F)
2002-13.3 C (8.1 F)
2003-12.2 C (10.0 F)
2004-16.7 C (1.9 F)
2005-16.7 C (1.9 F)
2006-15.0 C (5.0 F)
2007-15.6 C (3.9 F)
2008-17.2 C (1.0 F)
2009-20.0 C (-4.0 F)
2010-19.4 C (-2.9 F)
2011-16.7 C (1.9 F)
2012-12.8 C (9.0 F)
2013-22.2 C (-8.0 F)
2014-15.0 C (5.0 F)
2015-15.6 C (3.9 F)
2016-17.2 C (1.0 F)
2017-22.8 C (-9.0 F)
2018-17.2 C (1.0 F)
2019-13.9 C (7.0 F)
2020-12.0 C (10.4 F)
2021-15.9 C (3.4 F)
2022-17.2 C (1.0 F)
2023-15.6 C (3.9 F)
2024-17.2 C (1.0 F)
2025-16.7 C (1.9 F)
2026-11.1 C (12.0 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

40 years with a frost

Across 40 years with a frost, the median last spring frost at Kelsay Butte Oregon falls on 4 June and the median first autumn frost on 4 October, which leaves a median of 122 days between them.

Fitted over all years, the growing season changes by +11.0 days per decade at this station.

Frost dates and growing season at Kelsay Butte Oregon
MeasureMedian, all yearsEarliest periodRecent period (1996 to 2025)Recent against earliestFitted trend
Last spring frost4 Junen/a30 Mayn/a-3.0 days per decade
First autumn frost4 Octobern/a7 Octobern/a+8.0 days per decade
Growing days122 daysn/a127 daysn/a+11.0 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 Kelsay Butte Oregon standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Kelsay Butte Oregon 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-15).