Aurora State AP Weather Records (USW00094281)

Record envelope, standing records and threshold days for Aurora State AP (USW00094281), Oregon, United States, with 30 years of record.

Key Facts for Aurora State AP

Aurora State AP (USW00094281) is a weather station in Oregon, United States at 45.25 latitude and -122.77 longitude, 60 m (196 ft) above sea level.
The station reports from 1997 to 2026, 30 years of record.
1,464 records set at Aurora State AP still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Oregon, United States, 45.25 latitude, -122.77 longitude.
Elevation: 60 m (196 ft).
Period of record: 1997 to 2026, 30 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

30 days at or beyond a record

The band shows the record high and record low for each calendar day at Aurora State AP. The lines show the 2026 daily maximum and minimum. 30 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Aurora State AP, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	18.3 C (64.9 F)	-8.8 C (16.2 F)	12.8 C (55.0 F)	-4.9 C (23.2 F)
Feb	20.6 C (69.1 F)	-7.1 C (19.2 F)	20.6 C (69.1 F)	-6.0 C (21.2 F)
Mar	27.8 C (82.0 F)	-3.8 C (25.2 F)	27.8 C (82.0 F)	0.6 C (33.1 F)
Apr	32.8 C (91.0 F)	-1.6 C (29.1 F)	25.0 C (77.0 F)	2.8 C (37.0 F)
May	37.2 C (99.0 F)	0.6 C (33.1 F)	29.4 C (84.9 F)	2.8 C (37.0 F)
Jun	45.6 C (114.1 F)	5.0 C (41.0 F)	35.6 C (96.1 F)	6.1 C (43.0 F)
Jul	42.2 C (108.0 F)	7.2 C (45.0 F)	36.1 C (97.0 F)	10.6 C (51.1 F)
Aug	41.7 C (107.1 F)	6.7 C (44.1 F)	38.3 C (100.9 F)	10.6 C (51.1 F)
Sep	37.8 C (100.0 F)	2.2 C (36.0 F)	33.9 C (93.0 F)	7.2 C (45.0 F)
Oct	32.2 C (90.0 F)	-3.2 C (26.2 F)	25.6 C (78.1 F)	1.7 C (35.1 F)
Nov	23.9 C (75.0 F)	-8.2 C (17.2 F)	17.8 C (64.0 F)	0.6 C (33.1 F)
Dec	19.4 C (66.9 F)	-12.1 C (10.2 F)	16.1 C (61.0 F)	-2.8 C (27.0 F)

Which Years Hold Standing Records

1,464 standing records

1,464 records at Aurora State AP still stand. 2008 holds the most, with 82.

Standing records at Aurora State AP by the year they were set
Year set	Standing records
1997	14
1998	59
1999	68
2000	45
2001	47
2002	67
2003	53
2004	39
2005	47
2006	55
2007	51
2008	82
2009	52
2010	53
2011	50
2012	55
2013	57
2014	60
2015	38
2016	49
2017	48
2018	45
2019	45
2020	41
2021	44
2022	48
2023	58
2024	48
2025	46

Wettest Day of Each Month

Jan: 82.3 mm (3.2 in)

The wettest day on record for each calendar month at Aurora State AP. The most was 82.3 mm (3.2 in) on 1 January 2009.

Record daily precipitation for each month at Aurora State AP
Month	Record daily precipitation (mm)	Date
Jan	82.3 mm (3.2 in)	1 January 2009
Feb	53.8 mm (2.1 in)	5 February 2017
Mar	43.9 mm (1.7 in)	14 March 2015
Apr	37.8 mm (1.5 in)	7 April 2018
May	22.1 mm (0.9 in)	24 May 2012
Jun	49.3 mm (1.9 in)	10 June 2022
Jul	16.3 mm (0.6 in)	17 July 2011
Aug	26.7 mm (1.1 in)	25 August 2004
Sep	54.4 mm (2.1 in)	18 September 2021
Oct	49.3 mm (1.9 in)	31 October 2015
Nov	55.1 mm (2.2 in)	25 November 1998
Dec	61.2 mm (2.4 in)	17 December 2015

Period of Record Coverage

1997 to 2025

29 years of record at Aurora State AP, 1997 to 2025. 1 years have data for under 90 percent of days and are left out of rankings: 1997.

Days with data per year at Aurora State AP
Year	Days with data	Share of year	Complete
1997	209	57%	No
1998	357	98%	Yes
1999	364	100%	Yes
2000	362	99%	Yes
2001	364	100%	Yes
2002	355	97%	Yes
2003	355	97%	Yes
2004	365	100%	Yes
2005	365	100%	Yes
2006	362	99%	Yes
2007	365	100%	Yes
2008	364	99%	Yes
2009	364	100%	Yes
2010	364	100%	Yes
2011	365	100%	Yes
2012	365	100%	Yes
2013	365	100%	Yes
2014	365	100%	Yes
2015	365	100%	Yes
2016	366	100%	Yes
2017	364	100%	Yes
2018	364	100%	Yes
2019	363	99%	Yes
2020	365	100%	Yes
2021	356	98%	Yes
2022	365	100%	Yes
2023	365	100%	Yes
2024	366	100%	Yes
2025	364	100%	Yes

Latest Records

No records were set at this station in the latest data.

Climate Trend

28 complete years, 1998 to 2025

One stripe for each of 28 complete years at Aurora State AP, 1998 to 2025. Blue stripes are years cooler than the station's own mean of 12.4 C (54.3 F); red stripes are warmer. The coolest year was 2011, at 11.1 C (51.9 F), and the warmest was 2015, at 13.2 C (55.8 F). The strongest colour marks a difference of 1.4 C (2.5 F).

Annual mean temperature at Aurora State AP as warming stripes, 1998 to 2025
Year	Annual mean temperature	Difference from the station mean
1998	12.7 C	+0.29 C
1999	12.0 C	-0.38 C
2000	11.8 C	-0.61 C
2001	12.0 C	-0.34 C
2002	12.4 C	+0.01 C
2003	12.8 C	+0.47 C
2004	12.5 C	+0.13 C
2005	12.1 C	-0.30 C
2006	12.3 C	-0.08 C
2007	11.8 C	-0.61 C
2008	11.4 C	-1.01 C
2009	11.9 C	-0.47 C
2010	12.3 C	-0.05 C
2011	11.1 C	-1.31 C
2012	11.8 C	-0.56 C
2013	11.6 C	-0.73 C
2014	12.9 C	+0.51 C
2015	13.2 C	+0.88 C
2016	12.8 C	+0.47 C
2017	12.6 C	+0.27 C
2018	13.2 C	+0.80 C
2019	12.3 C	-0.09 C
2020	12.8 C	+0.46 C
2021	13.1 C	+0.69 C
2022	12.5 C	+0.10 C
2023	12.8 C	+0.39 C
2024	12.8 C	+0.43 C
2025	13.1 C	+0.75 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

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

1997 to 2026

Yearly extremes at Aurora State AP: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	45.6 C (114.1 F)	2021	38.3 C (100.9 F)	30
Coldest night (TNn)	-12.1 C (10.2 F)	2009	-6.0 C (21.2 F)	30
Wettest day (Rx1day)	82.3 mm (3.2 in)	2009	42.7 mm (1.7 in)	29
Wettest five days (Rx5day)	138.8 mm (5.5 in)	2015	88.7 mm (3.5 in)	29
Longest dry spell (CDD)	93 days	2021	42 days	29

Hottest day (TXx)

The hottest day of the year at Aurora State AP, 1997 to 2026. The record is 45.6 C (114.1 F) in 2021, marked on the chart; the median year is 38.3 C (100.9 F).

Hottest day (TXx) at Aurora State AP by year
Year	Hottest day (TXx)
1997	35.0 C (95.0 F)
1998	38.9 C (102.0 F)
1999	35.0 C (95.0 F)
2000	34.4 C (93.9 F)
2001	36.1 C (97.0 F)
2002	40.0 C (104.0 F)
2003	38.9 C (102.0 F)
2004	39.4 C (102.9 F)
2005	36.1 C (97.0 F)
2006	40.6 C (105.1 F)
2007	39.4 C (102.9 F)
2008	40.0 C (104.0 F)
2009	42.2 C (108.0 F)
2010	37.8 C (100.0 F)
2011	35.6 C (96.1 F)
2012	38.3 C (100.9 F)
2013	33.9 C (93.0 F)
2014	36.1 C (97.0 F)
2015	40.0 C (104.0 F)
2016	38.3 C (100.9 F)
2017	41.1 C (106.0 F)
2018	36.7 C (98.1 F)
2019	37.8 C (100.0 F)
2020	38.3 C (100.9 F)
2021	45.6 C (114.1 F)
2022	38.9 C (102.0 F)
2023	41.7 C (107.1 F)
2024	39.4 C (102.9 F)
2025	38.3 C (100.9 F)
2026	37.8 C (100.0 F)

Coldest night (TNn)

The coldest night of the year at Aurora State AP, 1997 to 2026. The record is -12.1 C (10.2 F) in 2009, marked on the chart; the median year is -6.0 C (21.2 F).

Coldest night (TNn) at Aurora State AP by year
Year	Coldest night (TNn)
1997	-2.2 C (28.0 F)
1998	-10.0 C (14.0 F)
1999	-4.4 C (24.1 F)
2000	-4.4 C (24.1 F)
2001	-4.4 C (24.1 F)
2002	-5.0 C (23.0 F)
2003	-5.0 C (23.0 F)
2004	-6.7 C (19.9 F)
2005	-7.2 C (19.0 F)
2006	-6.0 C (21.2 F)
2007	-6.6 C (20.1 F)
2008	-8.8 C (16.2 F)
2009	-12.1 C (10.2 F)
2010	-8.2 C (17.2 F)
2011	-7.1 C (19.2 F)
2012	-3.8 C (25.2 F)
2013	-12.1 C (10.2 F)
2014	-7.1 C (19.2 F)
2015	-6.6 C (20.1 F)
2016	-5.5 C (22.1 F)
2017	-8.8 C (16.2 F)
2018	-4.9 C (23.2 F)
2019	-6.0 C (21.2 F)
2020	-3.2 C (26.2 F)
2021	-4.3 C (24.3 F)
2022	-5.5 C (22.1 F)
2023	-6.0 C (21.2 F)
2024	-8.8 C (16.2 F)
2025	-6.0 C (21.2 F)
2026	-5.6 C (21.9 F)

Wettest day (Rx1day)

The wettest day of the year at Aurora State AP, 1997 to 2026. The record is 82.3 mm (3.2 in) in 2009, marked on the chart; the median year is 42.7 mm (1.7 in).

Wettest day (Rx1day) at Aurora State AP by year
Year	Wettest day (Rx1day)
1997	n/a
1998	56.4 mm (2.2 in)
1999	42.2 mm (1.7 in)
2000	28.2 mm (1.1 in)
2001	37.6 mm (1.5 in)
2002	38.4 mm (1.5 in)
2003	44.5 mm (1.8 in)
2004	26.7 mm (1.1 in)
2005	50.8 mm (2.0 in)
2006	48.5 mm (1.9 in)
2007	29.2 mm (1.1 in)
2008	26.4 mm (1.0 in)
2009	82.3 mm (3.2 in)
2010	42.7 mm (1.7 in)
2011	44.5 mm (1.8 in)
2012	53.1 mm (2.1 in)
2013	38.6 mm (1.5 in)
2014	35.6 mm (1.4 in)
2015	61.2 mm (2.4 in)
2016	42.9 mm (1.7 in)
2017	53.8 mm (2.1 in)
2018	37.8 mm (1.5 in)
2019	27.7 mm (1.1 in)
2020	49.3 mm (1.9 in)
2021	54.4 mm (2.1 in)
2022	49.3 mm (1.9 in)
2023	35.8 mm (1.4 in)
2024	30.7 mm (1.2 in)
2025	52.3 mm (2.1 in)
2026	42.4 mm (1.7 in)

Wettest five days (Rx5day)

The wettest five days of the year at Aurora State AP, 1997 to 2026. The record is 138.8 mm (5.5 in) in 2015, marked on the chart; the median year is 88.7 mm (3.5 in).

Wettest five days (Rx5day) at Aurora State AP by year
Year	Wettest five days (Rx5day)
1997	n/a
1998	122.2 mm (4.8 in)
1999	86.4 mm (3.4 in)
2000	57.0 mm (2.2 in)
2001	96.3 mm (3.8 in)
2002	82.8 mm (3.3 in)
2003	88.7 mm (3.5 in)
2004	55.0 mm (2.2 in)
2005	111.2 mm (4.4 in)
2006	128.3 mm (5.1 in)
2007	94.8 mm (3.7 in)
2008	61.9 mm (2.4 in)
2009	129.2 mm (5.1 in)
2010	88.4 mm (3.5 in)
2011	75.5 mm (3.0 in)
2012	117.3 mm (4.6 in)
2013	90.3 mm (3.6 in)
2014	73.9 mm (2.9 in)
2015	138.8 mm (5.5 in)
2016	107.7 mm (4.2 in)
2017	103.0 mm (4.1 in)
2018	69.3 mm (2.7 in)
2019	69.6 mm (2.7 in)
2020	78.8 mm (3.1 in)
2021	91.8 mm (3.6 in)
2022	83.9 mm (3.3 in)
2023	106.0 mm (4.2 in)
2024	74.4 mm (2.9 in)
2025	102.6 mm (4.0 in)
2026	87.4 mm (3.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Aurora State AP, 1997 to 2026. The record is 93 days in 2021, marked on the chart; the median year is 42 days.

Longest dry spell (CDD) at Aurora State AP by year
Year	Longest dry spell (CDD)
1997	n/a
1998	31 days
1999	46 days
2000	37 days
2001	30 days
2002	34 days
2003	42 days
2004	19 days
2005	37 days
2006	48 days
2007	29 days
2008	28 days
2009	29 days
2010	66 days
2011	58 days
2012	55 days
2013	56 days
2014	28 days
2015	52 days
2016	39 days
2017	58 days
2018	91 days
2019	41 days
2020	46 days
2021	93 days
2022	83 days
2023	40 days
2024	29 days
2025	45 days
2026	66 days

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

28 years with a frost

Across 28 years with a frost, the median last spring frost at Aurora State AP falls on 22 March and the median first autumn frost on 7 November, which leaves a median of 227 days between them.

Fitted over all years, the growing season changes by +3.5 days per decade at this station.

Frost dates and growing season at Aurora State AP
Measure	Median, all years	Earliest period	Recent period (1998 to 2025)	Recent against earliest	Fitted trend
Last spring frost	22 March	n/a	22 March	n/a	-5.6 days per decade
First autumn frost	7 November	n/a	7 November	n/a	-2.1 days per decade
Growing days	227 days	n/a	227 days	n/a	+3.5 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 Aurora State AP standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Aurora State AP 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).