Record envelope, standing records and threshold days for Santiam Junction (USC00357554), Oregon, United States, with 76 years of record.
Key Facts for Santiam Junction
Santiam Junction (USC00357554) is a weather station in Oregon, United States at 44.44 latitude and -121.94 longitude, 1,143 m (3,750 ft) above sea level.
The station reports from 1949 to 2024, 76 years of record.
1,464 records set at Santiam Junction still stand.
Records are tracked for tmax, tmin, prcp, snow: an element needs 30 years of data to be eligible.
Santiam Junction tied a daily record high minimum temperature of 2.8 C (37.0 F) on 20 April 2024.
About the Station
Location: Oregon, United States, 44.44 latitude, -121.94 longitude.
Elevation: 1,143 m (3,750 ft).
Period of record: 1949 to 2024, 76 years.
Eligible elements: tmax, tmin, prcp, snow.
Daily Record Envelope and 2026
0 days at or beyond a record
Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Santiam Junction. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Santiam Junction, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
22.2 C (72.0 F)
-23.9 C (-11.0 F)
n/a
n/a
Feb
20.0 C (68.0 F)
-27.8 C (-18.0 F)
n/a
n/a
Mar
21.7 C (71.1 F)
-19.4 C (-2.9 F)
n/a
n/a
Apr
31.1 C (88.0 F)
-15.6 C (3.9 F)
n/a
n/a
May
35.6 C (96.1 F)
-7.8 C (18.0 F)
n/a
n/a
Jun
38.3 C (100.9 F)
-5.6 C (21.9 F)
n/a
n/a
Jul
37.8 C (100.0 F)
-2.8 C (27.0 F)
n/a
n/a
Aug
37.2 C (99.0 F)
-2.2 C (28.0 F)
n/a
n/a
Sep
35.6 C (96.1 F)
-6.1 C (21.0 F)
n/a
n/a
Oct
30.0 C (86.0 F)
-10.0 C (14.0 F)
n/a
n/a
Nov
24.4 C (75.9 F)
-20.0 C (-4.0 F)
n/a
n/a
Dec
17.2 C (63.0 F)
-28.3 C (-18.9 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Santiam Junction still stand. 1996 holds the most, with 65.
Standing records at Santiam Junction by the year they were set
Year set
Standing records
1949
15
1986
33
1987
61
1988
50
1989
43
1990
46
1991
43
1992
46
1993
50
1994
39
1995
45
1996
65
1997
16
1998
24
1999
23
2000
12
2001
14
2002
35
2003
20
2004
25
2005
18
2006
24
2007
36
2008
65
2009
50
2010
39
2011
48
2012
41
2013
46
2014
38
2015
57
2016
29
2017
49
2018
21
2019
38
2020
29
2021
37
2022
54
2023
32
2024
8
All-Time Record Progression
1 new records
1 all-time records were set at Santiam Junction between 29 June 2021 and 29 June 2021. Each dot is a new record.
When Santiam Junction set new all-time records
Date
Kind
Detail
2021-06-29
Record high maximum temperature
Record high maximum temperature 38.3 C (100.9 F)
Wettest Day of Each Month
Jan: 121.7 mm (4.8 in)
The wettest day on record for each calendar month at Santiam Junction. The most was 121.7 mm (4.8 in) on 22 January 2012.
Record daily precipitation for each month at Santiam Junction
Month
Record daily precipitation (mm)
Date
Jan
121.7 mm (4.8 in)
22 January 2012
Feb
86.6 mm (3.4 in)
6 February 1996
Mar
55.9 mm (2.2 in)
21 March 2012
Apr
49.5 mm (1.9 in)
23 April 1996
May
49.8 mm (2.0 in)
15 May 2001
Jun
34.5 mm (1.4 in)
26 June 2012
Jul
50.8 mm (2.0 in)
19 July 1987
Aug
42.4 mm (1.7 in)
9 August 1989
Sep
38.6 mm (1.5 in)
26 September 1986
Oct
63.0 mm (2.5 in)
27 October 1994
Nov
119.4 mm (4.7 in)
18 November 1996
Dec
110.0 mm (4.3 in)
27 December 1998
Period of Record Coverage
1949 to 2024
Complete yearUnder 90 percent of days
40 years of record at Santiam Junction, 1949 to 2024. 14 years have data for under 90 percent of days and are left out of rankings: 1949, 1986, 1997, 1998, 1999, 2000, 2001, 2002 and others.
Cooler than the station meanWarmer than the station mean
One stripe for each of 22 complete years at Santiam Junction, 1987 to 2022. Blue stripes are years cooler than the station's own mean of 6.3 C (43.4 F); red stripes are warmer. The coolest year was 2011, at 5.0 C (41.0 F), and the warmest was 1987, at 7.9 C (46.3 F). The strongest colour marks a difference of 1.7 C (3.1 F).
Annual mean temperature at Santiam Junction as warming stripes, 1987 to 2022
Year
Annual mean temperature
Difference from the station mean
1987
7.9 C
+1.62 C
1990
6.1 C
-0.21 C
1991
7.3 C
+1.00 C
1992
7.9 C
+1.57 C
1993
5.8 C
-0.50 C
1994
6.3 C
+0.03 C
1995
6.9 C
+0.55 C
1996
6.4 C
+0.05 C
2007
5.9 C
-0.41 C
2008
5.6 C
-0.68 C
2009
5.6 C
-0.74 C
2010
5.8 C
-0.51 C
2011
5.0 C
-1.31 C
2012
5.8 C
-0.47 C
2013
5.8 C
-0.52 C
2014
7.0 C
+0.66 C
2015
7.6 C
+1.25 C
2016
6.2 C
-0.13 C
2017
6.0 C
-0.33 C
2019
5.5 C
-0.78 C
2021
6.3 C
-0.02 C
2022
6.2 C
-0.08 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
1949 to 2024
Yearly extremes at Santiam Junction: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
38.3 C (100.9 F)
2021
34.2 C (93.5 F)
40
Coldest night (TNn)
-28.3 C (-18.9 F)
1990
-18.9 C (-2.0 F)
40
Wettest day (Rx1day)
121.7 mm (4.8 in)
2012
53.8 mm (2.1 in)
40
Wettest five days (Rx5day)
226.8 mm (8.9 in)
1996
113.8 mm (4.5 in)
39
Longest dry spell (CDD)
86 days
2018
33 days
40
Hottest day (TXx)
The hottest day of the year at Santiam Junction, 1949 to 2024. The record is 38.3 C (100.9 F) in 2021, marked on the chart; the median year is 34.2 C (93.5 F).
Hottest day (TXx) at Santiam Junction by year
Year
Hottest day (TXx)
1949
22.8 C (73.0 F)
1986
36.7 C (98.1 F)
1987
35.6 C (96.1 F)
1988
35.0 C (95.0 F)
1989
31.7 C (89.1 F)
1990
35.0 C (95.0 F)
1991
33.9 C (93.0 F)
1992
33.9 C (93.0 F)
1993
31.1 C (88.0 F)
1994
35.0 C (95.0 F)
1995
32.2 C (90.0 F)
1996
35.0 C (95.0 F)
1997
32.8 C (91.0 F)
1998
37.2 C (99.0 F)
1999
31.7 C (89.1 F)
2000
31.7 C (89.1 F)
2001
33.3 C (91.9 F)
2002
36.7 C (98.1 F)
2003
36.1 C (97.0 F)
2004
34.4 C (93.9 F)
2005
35.0 C (95.0 F)
2006
36.1 C (97.0 F)
2007
31.7 C (89.1 F)
2008
36.1 C (97.0 F)
2009
34.4 C (93.9 F)
2010
32.8 C (91.0 F)
2011
31.1 C (88.0 F)
2012
33.9 C (93.0 F)
2013
31.7 C (89.1 F)
2014
32.2 C (90.0 F)
2015
35.6 C (96.1 F)
2016
33.3 C (91.9 F)
2017
35.0 C (95.0 F)
2018
33.9 C (93.0 F)
2019
32.2 C (90.0 F)
2020
34.4 C (93.9 F)
2021
38.3 C (100.9 F)
2022
37.8 C (100.0 F)
2023
34.4 C (93.9 F)
2024
19.4 C (66.9 F)
Coldest night (TNn)
The coldest night of the year at Santiam Junction, 1949 to 2024. The record is -28.3 C (-18.9 F) in 1990, marked on the chart; the median year is -18.9 C (-2.0 F).
Coldest night (TNn) at Santiam Junction by year
Year
Coldest night (TNn)
1949
-16.7 C (1.9 F)
1986
-9.4 C (15.1 F)
1987
-21.7 C (-7.1 F)
1988
-21.1 C (-6.0 F)
1989
-27.8 C (-18.0 F)
1990
-28.3 C (-18.9 F)
1991
-17.2 C (1.0 F)
1992
-13.9 C (7.0 F)
1993
-21.1 C (-6.0 F)
1994
-20.0 C (-4.0 F)
1995
-17.2 C (1.0 F)
1996
-20.6 C (-5.1 F)
1997
-16.7 C (1.9 F)
1998
-21.7 C (-7.1 F)
1999
-13.9 C (7.0 F)
2000
-15.0 C (5.0 F)
2001
-16.1 C (3.0 F)
2002
-21.1 C (-6.0 F)
2003
-15.6 C (3.9 F)
2004
-15.6 C (3.9 F)
2005
-17.2 C (1.0 F)
2006
-18.9 C (-2.0 F)
2007
-21.7 C (-7.1 F)
2008
-18.9 C (-2.0 F)
2009
-22.2 C (-8.0 F)
2010
-16.7 C (1.9 F)
2011
-23.3 C (-9.9 F)
2012
-16.7 C (1.9 F)
2013
-26.1 C (-15.0 F)
2014
-16.7 C (1.9 F)
2015
-18.3 C (-0.9 F)
2016
-17.2 C (1.0 F)
2017
-23.9 C (-11.0 F)
2018
-22.2 C (-8.0 F)
2019
-19.4 C (-2.9 F)
2020
-14.4 C (6.1 F)
2021
-12.8 C (9.0 F)
2022
-19.4 C (-2.9 F)
2023
-18.9 C (-2.0 F)
2024
-20.0 C (-4.0 F)
Wettest day (Rx1day)
The wettest day of the year at Santiam Junction, 1949 to 2024. The record is 121.7 mm (4.8 in) in 2012, marked on the chart; the median year is 53.8 mm (2.1 in).
Wettest day (Rx1day) at Santiam Junction by year
Year
Wettest day (Rx1day)
1949
0.0 mm (0.00 in)
1986
50.3 mm (2.0 in)
1987
68.6 mm (2.7 in)
1988
61.5 mm (2.4 in)
1989
73.2 mm (2.9 in)
1990
58.4 mm (2.3 in)
1991
53.8 mm (2.1 in)
1992
45.7 mm (1.8 in)
1993
42.7 mm (1.7 in)
1994
63.0 mm (2.5 in)
1995
54.9 mm (2.2 in)
1996
119.4 mm (4.7 in)
1997
52.8 mm (2.1 in)
1998
110.0 mm (4.3 in)
1999
114.8 mm (4.5 in)
2000
46.2 mm (1.8 in)
2001
54.4 mm (2.1 in)
2002
45.0 mm (1.8 in)
2003
57.2 mm (2.3 in)
2004
27.7 mm (1.1 in)
2005
65.5 mm (2.6 in)
2006
50.8 mm (2.0 in)
2007
37.8 mm (1.5 in)
2008
54.9 mm (2.2 in)
2009
36.8 mm (1.4 in)
2010
55.9 mm (2.2 in)
2011
54.1 mm (2.1 in)
2012
121.7 mm (4.8 in)
2013
36.1 mm (1.4 in)
2014
92.7 mm (3.6 in)
2015
76.2 mm (3.0 in)
2016
58.4 mm (2.3 in)
2017
44.7 mm (1.8 in)
2018
32.8 mm (1.3 in)
2019
53.8 mm (2.1 in)
2020
50.8 mm (2.0 in)
2021
43.2 mm (1.7 in)
2022
30.5 mm (1.2 in)
2023
33.0 mm (1.3 in)
2024
24.6 mm (1.0 in)
Wettest five days (Rx5day)
The wettest five days of the year at Santiam Junction, 1949 to 2024. The record is 226.8 mm (8.9 in) in 1996, marked on the chart; the median year is 113.8 mm (4.5 in).
Wettest five days (Rx5day) at Santiam Junction by year
Year
Wettest five days (Rx5day)
1949
n/a
1986
124.0 mm (4.9 in)
1987
145.5 mm (5.7 in)
1988
172.0 mm (6.8 in)
1989
148.9 mm (5.9 in)
1990
153.4 mm (6.0 in)
1991
108.4 mm (4.3 in)
1992
140.4 mm (5.5 in)
1993
139.7 mm (5.5 in)
1994
138.5 mm (5.5 in)
1995
144.3 mm (5.7 in)
1996
226.8 mm (8.9 in)
1997
175.3 mm (6.9 in)
1998
184.4 mm (7.3 in)
1999
99.9 mm (3.9 in)
2000
30.0 mm (1.2 in)
2001
106.2 mm (4.2 in)
2002
84.4 mm (3.3 in)
2003
66.2 mm (2.6 in)
2004
48.6 mm (1.9 in)
2005
32.4 mm (1.3 in)
2006
203.2 mm (8.0 in)
2007
54.6 mm (2.1 in)
2008
144.0 mm (5.7 in)
2009
76.7 mm (3.0 in)
2010
126.5 mm (5.0 in)
2011
121.4 mm (4.8 in)
2012
217.7 mm (8.6 in)
2013
52.2 mm (2.1 in)
2014
159.2 mm (6.3 in)
2015
151.2 mm (6.0 in)
2016
113.8 mm (4.5 in)
2017
101.1 mm (4.0 in)
2018
77.5 mm (3.1 in)
2019
59.1 mm (2.3 in)
2020
84.9 mm (3.3 in)
2021
82.1 mm (3.2 in)
2022
8.9 mm (0.35 in)
2023
43.5 mm (1.7 in)
2024
42.0 mm (1.7 in)
Longest dry spell (CDD)
The longest dry spell of the year at Santiam Junction, 1949 to 2024. The record is 86 days in 2018, marked on the chart; the median year is 33 days.
Longest dry spell (CDD) at Santiam Junction by year
Year
Longest dry spell (CDD)
1949
1 day
1986
28 days
1987
53 days
1988
64 days
1989
33 days
1990
32 days
1991
48 days
1992
43 days
1993
44 days
1994
59 days
1995
15 days
1996
13 days
1997
41 days
1998
28 days
1999
22 days
2000
52 days
2001
21 days
2002
34 days
2003
44 days
2004
31 days
2005
44 days
2006
37 days
2007
28 days
2008
29 days
2009
25 days
2010
56 days
2011
36 days
2012
65 days
2013
14 days
2014
23 days
2015
34 days
2016
24 days
2017
33 days
2018
86 days
2019
22 days
2020
31 days
2021
44 days
2022
31 days
2023
29 days
2024
4 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
22 years with a frost
Across 22 years with a frost, the median last spring frost at Santiam Junction falls on 22 June and the median first autumn frost on 31 July, which leaves a median of 45 days between them.
Frost dates and growing season at Santiam Junction
Measure
Median, all years
Earliest period
Recent period (1987 to 2022)
Recent against earliest
Fitted trend
Last spring frost
22 June
n/a
22 June
n/a
n/a
First autumn frost
31 July
n/a
31 July
n/a
n/a
Growing days
45 days
n/a
45 days
n/a
n/a
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 Santiam Junction standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Santiam Junction 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 2026-10-16 (16 October 2026). Records are computed by this site and are not official.