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Wamic Mill Oregon Weather Records (USR0000OWAM)

Record envelope, standing records and threshold days for Wamic Mill Oregon (USR0000OWAM), Oregon, United States, with 39 years of record.

Key Facts for Wamic Mill Oregon

  • Wamic Mill Oregon (USR0000OWAM) is a weather station in Oregon, United States at 45.24 latitude and -121.45 longitude, 1,012 m (3,320 ft) above sea level.
  • The station reports from 1985 to 2023, 39 years of record.
  • 1,464 records set at Wamic Mill Oregon still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • Wamic Mill Oregon tied a daily record high minimum temperature of 14.4 C (57.9 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, 45.24 latitude, -121.45 longitude.
  • Elevation: 1,012 m (3,320 ft).
  • Period of record: 1985 to 2023, 39 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

15 days at or beyond a record
Daily record high and record low at Wamic Mill Oregon, with 2026 drawn through them The band shows the record high and record low for each calendar day at Wamic Mill Oregon. The lines show the 2026 daily maximum and minimum. 15 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 Wamic Mill Oregon. The lines show the 2026 daily maximum and minimum. 15 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Wamic Mill Oregon, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan20.0 C (68.0 F)-21.7 C (-7.1 F)17.8 C (64.0 F)-9.4 C (15.1 F)
Feb22.2 C (72.0 F)-23.9 C (-11.0 F)16.7 C (62.1 F)-5.6 C (21.9 F)
Mar23.9 C (75.0 F)-13.9 C (7.0 F)22.8 C (73.0 F)-4.4 C (24.1 F)
Apr27.2 C (81.0 F)-6.1 C (21.0 F)23.9 C (75.0 F)-3.9 C (25.0 F)
May34.4 C (93.9 F)-3.9 C (25.0 F)26.7 C (80.1 F)-0.6 C (30.9 F)
Jun40.0 C (104.0 F)-1.7 C (28.9 F)31.7 C (89.1 F)1.7 C (35.1 F)
Jul40.0 C (104.0 F)1.1 C (34.0 F)34.4 C (93.9 F)3.9 C (39.0 F)
Aug39.4 C (102.9 F)2.2 C (36.0 F)35.0 C (95.0 F)5.0 C (41.0 F)
Sep36.1 C (97.0 F)-0.6 C (30.9 F)28.9 C (84.0 F)2.2 C (36.0 F)
Oct31.1 C (88.0 F)-12.2 C (10.0 F)28.3 C (82.9 F)1.1 C (34.0 F)
Nov22.2 C (72.0 F)-16.7 C (1.9 F)n/an/a
Dec18.3 C (64.9 F)-25.6 C (-14.1 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Wamic Mill Oregon by the year they were set 1,464 records at Wamic Mill Oregon still stand. 1996 holds the most, with 60. 02040601985: 151986: 291987: 381988: 571989: 391990: 431991: 401992: 361993: 551994: 441995: 311996: 601997: 231998: 221999: 392000: 372001: 302002: 272003: 342004: 242005: 382006: 202007: 282008: 542009: 442010: 142011: 282012: 282013: 302014: 442015: 522016: 312017: 362018: 212019: 402020: 262021: 302022: 502023: 302024: 412025: 342026: 22198519901995200020052010201520202025
1,464 records at Wamic Mill Oregon still stand. 1996 holds the most, with 60.
Standing records at Wamic Mill Oregon by the year they were set
Year setStanding records
198515
198629
198738
198857
198939
199043
199140
199236
199355
199444
199531
199660
199723
199822
199939
200037
200130
200227
200334
200424
200538
200620
200728
200854
200944
201014
201128
201228
201330
201444
201552
201631
201736
201821
201940
202026
202130
202250
202330
202441
202534
202622

All-Time Record Progression

2 new records
When Wamic Mill Oregon set new all-time records 2 all-time records were set at Wamic Mill Oregon between 28 June 2021 and 28 July 2022. Each dot is a new record. Record high minimum temperature28 June 2021: Record high minimum temperature 25.0 C (77.0 F)28 July 2022: Record high minimum temperature 26.1 C (79.0 F)
2 all-time records were set at Wamic Mill Oregon between 28 June 2021 and 28 July 2022. Each dot is a new record.
When Wamic Mill Oregon set new all-time records
DateKindDetail
2021-06-28Record high minimum temperatureRecord high minimum temperature 25.0 C (77.0 F)
2022-07-28Record high minimum temperatureRecord high minimum temperature 26.1 C (79.0 F)

Period of Record Coverage

1985 to 2026
Days with data per year at Wamic Mill Oregon 42 years of record at Wamic Mill Oregon, 1985 to 2026. 6 years have data for under 90 percent of days and are left out of rankings: 1985, 1986, 2002, 2006, 2017, 2026. 1985: 57 of 365 days1986: 200 of 365 days1987: 358 of 365 days1988: 362 of 366 days1989: 365 of 365 days1990: 362 of 365 days1991: 363 of 365 days1992: 359 of 366 days1993: 347 of 365 days1994: 354 of 365 days1995: 362 of 365 days1996: 364 of 366 days1997: 364 of 365 days1998: 363 of 365 days1999: 365 of 365 days2000: 348 of 366 days2001: 346 of 365 days2002: 274 of 365 days2003: 362 of 365 days2004: 365 of 366 days2005: 329 of 365 days2006: 290 of 365 days2007: 365 of 365 days2008: 366 of 366 days2009: 365 of 365 days2010: 357 of 365 days2011: 365 of 365 days2012: 366 of 366 days2013: 335 of 365 days2014: 360 of 365 days2015: 363 of 365 days2016: 364 of 366 days2017: 244 of 365 days2018: 364 of 365 days2019: 365 of 365 days2020: 366 of 366 days2021: 364 of 365 days2022: 365 of 365 days2023: 363 of 365 days2024: 366 of 366 days2025: 365 of 365 days2026: 284 of 365 days1990200020102020
42 years of record at Wamic Mill Oregon, 1985 to 2026. 6 years have data for under 90 percent of days and are left out of rankings: 1985, 1986, 2002, 2006, 2017, 2026.
Days with data per year at Wamic Mill Oregon
YearDays with dataShare of yearComplete
19855716%No
198620055%No
198735898%Yes
198836299%Yes
1989365100%Yes
199036299%Yes
199136399%Yes
199235998%Yes
199334795%Yes
199435497%Yes
199536299%Yes
199636499%Yes
1997364100%Yes
199836399%Yes
1999365100%Yes
200034895%Yes
200134695%Yes
200227475%No
200336299%Yes
2004365100%Yes
200532990%Yes
200629079%No
2007365100%Yes
2008366100%Yes
2009365100%Yes
201035798%Yes
2011365100%Yes
2012366100%Yes
201333592%Yes
201436099%Yes
201536399%Yes
201636499%Yes
201724467%No
2018364100%Yes
2019365100%Yes
2020366100%Yes
2021364100%Yes
2022365100%Yes
202336399%Yes
2024366100%Yes
2025365100%Yes
202628478%No

Latest Records

20
Latest records at Wamic Mill Oregon
DateStationRecordValueBeat old record byOld record stoodSignificance
8 October 2026Wamic Mill Oregon, USdaily high min (Tie, Provisional)14.4 C (57.9 F)tie37 years3 of 100 (Routine)
25 September 2026Wamic Mill Oregon, USdaily low min (Provisional)2.8 C (37.0 F)0.5 C (0.9 F)40 years17 of 100 (Routine)
13 September 2026Wamic Mill Oregon, USdaily low max (Provisional)12.8 C (55.0 F)0.2 C (0.4 F)40 years16 of 100 (Routine)
6 September 2026Wamic Mill Oregon, USdaily low max (Provisional)13.3 C (55.9 F)0.7 C (1.3 F)40 years17 of 100 (Routine)
2 September 2026Wamic Mill Oregon, USdaily low max (Provisional)15.6 C (60.1 F)0.5 C (0.9 F)21 years10 of 100 (Routine)
29 August 2026Wamic Mill Oregon, USdaily low max (Provisional)17.2 C (63.0 F)1.1 C (2.0 F)11 years9 of 100 (Routine)
21 August 2026Wamic Mill Oregon, USdaily high min (Provisional)19.4 C (66.9 F)1.1 C (2.0 F)15 years10 of 100 (Routine)
20 August 2026Wamic Mill Oregon, USdaily high min (Tie, Provisional)18.3 C (64.9 F)tie9 years1 of 100 (Routine)
2 August 2026Wamic Mill Oregon, USdaily low min6.7 C (44.1 F)1.6 C (2.9 F)37 years18 of 100 (Routine)
1 July 2026Wamic Mill Oregon, USdaily low min3.9 C (39.0 F)1.1 C (2.0 F)15 years10 of 100 (Routine)
27 June 2026Wamic Mill Oregon, USdaily low max14.4 C (57.9 F)1.2 C (2.2 F)32 years15 of 100 (Routine)
19 June 2026Wamic Mill Oregon, USdaily high max30.6 C (87.1 F)0.6 C (1.1 F)8 years7 of 100 (Routine)
15 June 2026Wamic Mill Oregon, USdaily high min16.1 C (61.0 F)1.7 C (3.1 F)37 years18 of 100 (Routine)
15 June 2026Wamic Mill Oregon, USdaily high max31.7 C (89.1 F)0.6 C (1.1 F)24 years12 of 100 (Routine)
4 May 2026Wamic Mill Oregon, USdaily high min13.3 C (55.9 F)1.6 C (2.9 F)33 years17 of 100 (Routine)
4 May 2026Wamic Mill Oregon, USdaily high max (Tie)26.7 C (80.1 F)tie33 years3 of 100 (Routine)
3 May 2026Wamic Mill Oregon, USdaily high max26.7 C (80.1 F)1.7 C (3.1 F)33 years17 of 100 (Routine)
3 May 2026Wamic Mill Oregon, USdaily high min12.2 C (54.0 F)0.5 C (0.9 F)9 years7 of 100 (Routine)
16 April 2026Wamic Mill Oregon, USdaily low min-3.9 C (25.0 F)0.6 C (1.1 F)20 years11 of 100 (Routine)
6 April 2026Wamic Mill Oregon, USdaily high max23.9 C (75.0 F)0.6 C (1.1 F)9 years7 of 100 (Routine)

Climate Trend

32 complete years, 1987 to 2025
Annual mean temperature at Wamic Mill Oregon as warming stripes, 1987 to 2025 One stripe for each of 32 complete years at Wamic Mill Oregon, 1987 to 2025. Blue stripes are years cooler than the station's own mean of 9.3 C (48.8 F); red stripes are warmer. The coolest year was 1993, at 7.4 C (45.3 F), and the warmest was 2015, at 11.1 C (51.9 F). The strongest colour marks a difference of 2.0 C (3.6 F). 1987: 9.1 C, -0.2 C from the station mean1988: 8.7 C, -0.6 C from the station mean1989: 8.2 C, -1.2 C from the station mean1990: 8.6 C, -0.7 C from the station mean1991: 8.8 C, -0.5 C from the station mean1992: 9.7 C, +0.3 C from the station mean1993: 7.4 C, -2.0 C from the station mean1994: 9.3 C, 0.0 C from the station mean1995: 8.8 C, -0.5 C from the station mean1996: 8.6 C, -0.7 C from the station mean1997: 8.8 C, -0.6 C from the station mean1998: 9.5 C, +0.2 C from the station mean1999: 9.1 C, -0.3 C from the station mean2003: 10.0 C, +0.6 C from the station mean2004: 10.1 C, +0.7 C from the station mean2007: 9.5 C, +0.1 C from the station mean2008: 9.2 C, -0.2 C from the station mean2009: 9.0 C, -0.4 C from the station mean2010: 9.0 C, -0.3 C from the station mean2011: 8.9 C, -0.5 C from the station mean2012: 9.3 C, -0.1 C from the station mean2014: 9.8 C, +0.4 C from the station mean2015: 11.1 C, +1.7 C from the station mean2016: 9.9 C, +0.6 C from the station mean2018: 9.9 C, +0.5 C from the station mean2019: 8.8 C, -0.6 C from the station mean2020: 10.2 C, +0.8 C from the station mean2021: 10.3 C, +0.9 C from the station mean2022: 9.8 C, +0.4 C from the station mean2023: 9.8 C, +0.5 C from the station mean2024: 9.8 C, +0.4 C from the station mean2025: 10.7 C, +1.3 C from the station mean198719901995200020052010201520202025
One stripe for each of 32 complete years at Wamic Mill Oregon, 1987 to 2025. Blue stripes are years cooler than the station's own mean of 9.3 C (48.8 F); red stripes are warmer. The coolest year was 1993, at 7.4 C (45.3 F), and the warmest was 2015, at 11.1 C (51.9 F). The strongest colour marks a difference of 2.0 C (3.6 F).
Annual mean temperature at Wamic Mill Oregon as warming stripes, 1987 to 2025
YearAnnual mean temperatureDifference from the station mean
19879.1 C-0.25 C
19888.7 C-0.65 C
19898.2 C-1.20 C
19908.6 C-0.72 C
19918.8 C-0.55 C
19929.7 C+0.31 C
19937.4 C-1.98 C
19949.3 C-0.03 C
19958.8 C-0.54 C
19968.6 C-0.75 C
19978.8 C-0.57 C
19989.5 C+0.19 C
19999.1 C-0.30 C
200310.0 C+0.63 C
200410.1 C+0.73 C
20079.5 C+0.11 C
20089.2 C-0.17 C
20099.0 C-0.37 C
20109.0 C-0.33 C
20118.9 C-0.50 C
20129.3 C-0.08 C
20149.8 C+0.41 C
201511.1 C+1.73 C
20169.9 C+0.57 C
20189.9 C+0.50 C
20198.8 C-0.57 C
202010.2 C+0.82 C
202110.3 C+0.92 C
20229.8 C+0.42 C
20239.8 C+0.48 C
20249.8 C+0.41 C
202510.7 C+1.31 C

The annual mean temperature here has risen by 0.4 C (0.2 to 0.6) per decade over 1987 to 2025. In Fahrenheit: 0.7 F (0.4 to 1.0) per decade. The slope is a straight line fitted to 32 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Wamic Mill Oregon
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.4 C (0.2 to 0.6) per decade0.7 F (0.4 to 1.0) per decade1987 to 202532Rise
Mean daily maximum0.4 C (0.2 to 0.6) per decade0.7 F (0.3 to 1.1) per decade1987 to 202532Rise
Mean daily minimum0.4 C (0.2 to 0.6) per decade0.7 F (0.4 to 1.1) per decade1987 to 202532Rise

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 Wamic Mill Oregon: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)40.0 C (104.0 F)200636.7 C (98.1 F)42
Coldest night (TNn)-25.6 C (-14.1 F)1990-14.4 C (6.1 F)42

Hottest day (TXx)

Hottest day (TXx) at Wamic Mill Oregon by year The hottest day of the year at Wamic Mill Oregon, 1985 to 2026. The record is 40.0 C (104.0 F) in 2006, marked on the chart; the median year is 36.7 C (98.1 F). 3032.53537.5401990200020102020Record: 40.0 C (104.0 F) in 2006
The hottest day of the year at Wamic Mill Oregon, 1985 to 2026. The record is 40.0 C (104.0 F) in 2006, marked on the chart; the median year is 36.7 C (98.1 F).
Hottest day (TXx) at Wamic Mill Oregon by year
YearHottest day (TXx)
198531.0 C (87.8 F)
198633.9 C (93.0 F)
198733.9 C (93.0 F)
198833.9 C (93.0 F)
198932.2 C (90.0 F)
199034.4 C (93.9 F)
199133.9 C (93.0 F)
199237.2 C (99.0 F)
199332.2 C (90.0 F)
199437.8 C (100.0 F)
199532.2 C (90.0 F)
199637.2 C (99.0 F)
199734.4 C (93.9 F)
199837.8 C (100.0 F)
199934.4 C (93.9 F)
200035.6 C (96.1 F)
200136.1 C (97.0 F)
200237.8 C (100.0 F)
200338.3 C (100.9 F)
200437.2 C (99.0 F)
200537.2 C (99.0 F)
200640.0 C (104.0 F)
200737.2 C (99.0 F)
200838.3 C (100.9 F)
200938.3 C (100.9 F)
201035.6 C (96.1 F)
201133.9 C (93.0 F)
201236.7 C (98.1 F)
201335.6 C (96.1 F)
201435.6 C (96.1 F)
201538.3 C (100.9 F)
201636.7 C (98.1 F)
201735.6 C (96.1 F)
201837.2 C (99.0 F)
201934.4 C (93.9 F)
202036.7 C (98.1 F)
202140.0 C (104.0 F)
202240.0 C (104.0 F)
202339.4 C (102.9 F)
202437.2 C (99.0 F)
202536.7 C (98.1 F)
202635.0 C (95.0 F)

Coldest night (TNn)

Coldest night (TNn) at Wamic Mill Oregon by year The coldest night of the year at Wamic Mill Oregon, 1985 to 2026. The record is -25.6 C (-14.1 F) in 1990, marked on the chart; the median year is -14.4 C (6.1 F). -30-20-1001990200020102020Record: -25.6 C (-14.1 F) in 1990
The coldest night of the year at Wamic Mill Oregon, 1985 to 2026. The record is -25.6 C (-14.1 F) in 1990, marked on the chart; the median year is -14.4 C (6.1 F).
Coldest night (TNn) at Wamic Mill Oregon by year
YearColdest night (TNn)
1985-5.0 C (23.0 F)
1986-10.6 C (12.9 F)
1987-12.2 C (10.0 F)
1988-14.4 C (6.1 F)
1989-23.9 C (-11.0 F)
1990-25.6 C (-14.1 F)
1991-11.1 C (12.0 F)
1992-13.9 C (7.0 F)
1993-18.3 C (-0.9 F)
1994-15.6 C (3.9 F)
1995-14.4 C (6.1 F)
1996-21.7 C (-7.1 F)
1997-13.3 C (8.1 F)
1998-20.6 C (-5.1 F)
1999-8.9 C (16.0 F)
2000-10.6 C (12.9 F)
2001-10.0 C (14.0 F)
2002-12.2 C (10.0 F)
2003-12.8 C (9.0 F)
2004-18.3 C (-0.9 F)
2005-12.2 C (10.0 F)
2006-10.0 C (14.0 F)
2007-15.0 C (5.0 F)
2008-17.2 C (1.0 F)
2009-17.8 C (0.0 F)
2010-16.7 C (1.9 F)
2011-16.1 C (3.0 F)
2012-10.0 C (14.0 F)
2013-17.8 C (0.0 F)
2014-17.8 C (0.0 F)
2015-13.9 C (7.0 F)
2016-13.3 C (8.1 F)
2017-17.8 C (0.0 F)
2018-12.2 C (10.0 F)
2019-13.9 C (7.0 F)
2020-8.9 C (16.0 F)
2021-14.4 C (6.1 F)
2022-18.9 C (-2.0 F)
2023-14.4 C (6.1 F)
2024-21.7 C (-7.1 F)
2025-14.4 C (6.1 F)
2026-9.4 C (15.1 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

32 years with a frost

Across 32 years with a frost, the median last spring frost at Wamic Mill Oregon falls on 19 May and the median first autumn frost on 17 October, which leaves a median of 157 days between them.

Fitted over all years, the growing season changes by +6.6 days per decade at this station.

Frost dates and growing season at Wamic Mill Oregon
MeasureMedian, all yearsEarliest periodRecent period (1989 to 2025)Recent against earliestFitted trend
Last spring frost19 Mayn/a15 Mayn/a-5.9 days per decade
First autumn frost17 Octobern/a16 Octobern/a+0.7 days per decade
Growing days157 daysn/a157 daysn/a+6.6 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 Wamic Mill Oregon standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Wamic Mill 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

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