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Built 2026-10-19 (19 October 2026)

Santiam Junction Threshold Days by Year (USC00357554)

14 fixed thresholds counted per year at Santiam Junction (USC00357554): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Santiam Junction Thresholds

  • Santiam Junction: days with a maximum temperature at or above 30 C (86 F) in 26 years, most in 1991 with 48.
  • Santiam Junction: days with a maximum temperature at or below 0 C (32 F) in 26 years, most in 2019 with 47.
  • Santiam Junction: days with a maximum temperature at or above 90 F (32.2 C) in 21 years, most in 2022 with 15.
  • Santiam Junction: nights with a minimum temperature at or below 0 C (32 F) in 18 years, most in 2017 with 219.
  • 14 fixed thresholds have at least one qualifying day at Santiam Junction.
26 years with a qualifying day
Days at or above 30 C (86 F) per year at Santiam Junction Days per year at Santiam Junction with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 48 in 1991. 02040601987: 271988: 181989: 51990: 251991: 481992: 261993: 101994: 131995: 31996: 252007: 82008: 142009: 182010: 92011: 32012: 102013: 62014: 132015: 202016: 62017: 242019: 62020: 142021: 252022: 222023: 8198719901993199620092012201520192022
Days per year at Santiam Junction with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 48 in 1991.
Days at or above 30 C (86 F) per year at Santiam Junction
YearDaysDecade average
19872716.7
19881816.7
1989516.7
19902521.4
19914821.4
19922621.4
19931021.4
19941321.4
1995321.4
19962521.4
2007813.3
20081413.3
20091813.3
2010910.8
2011310.8
20121010.8
2013610.8
20141310.8
20152010.8
2016610.8
20172410.8
2019610.8
20201417.3
20212517.3
20222217.3
2023817.3
First to last qualifying date each year at Santiam Junction For each year, a bar from the first to the last day at Santiam Junction meeting 30 C (86 F). 1987: 28 April 1987 to 22 September 19871988: 20 July 1988 to 6 September 19881989: 24 June 1989 to 8 August 19891990: 11 July 1990 to 11 September 19901991: 3 July 1991 to 15 October 19911992: 5 May 1992 to 20 August 19921993: 3 August 1993 to 29 September 19931994: 16 July 1994 to 27 September 19941995: 17 July 1995 to 14 September 19951996: 3 June 1996 to 30 August 19962007: 5 July 2007 to 30 August 20072008: 30 June 2008 to 18 September 20082009: 3 July 2009 to 24 September 20092010: 9 July 2010 to 26 August 20102011: 22 August 2011 to 10 September 20112012: 9 July 2012 to 19 September 20122013: 20 July 2013 to 13 September 20132014: 2 July 2014 to 12 August 20142015: 8 June 2015 to 13 September 20152016: 25 July 2016 to 19 August 20162017: 26 June 2017 to 12 September 20172019: 13 June 2019 to 29 August 20192020: 21 July 2020 to 30 September 20202021: 2 June 2021 to 8 September 20212022: 27 June 2022 to 7 September 20222023: 6 July 2023 to 18 August 20231987199119952009201320172022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Santiam Junction meeting 30 C (86 F).
First to last qualifying date each year at Santiam Junction
YearFirst dateLast date
19871987-04-281987-09-22
19881988-07-201988-09-06
19891989-06-241989-08-08
19901990-07-111990-09-11
19911991-07-031991-10-15
19921992-05-051992-08-20
19931993-08-031993-09-29
19941994-07-161994-09-27
19951995-07-171995-09-14
19961996-06-031996-08-30
20072007-07-052007-08-30
20082008-06-302008-09-18
20092009-07-032009-09-24
20102010-07-092010-08-26
20112011-08-222011-09-10
20122012-07-092012-09-19
20132013-07-202013-09-13
20142014-07-022014-08-12
20152015-06-082015-09-13
20162016-07-252016-08-19
20172017-06-262017-09-12
20192019-06-132019-08-29
20202020-07-212020-09-30
20212021-06-022021-09-08
20222022-06-272022-09-07
20232023-07-062023-08-18

Every Fixed Threshold

Fixed thresholds at Santiam Junction
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days264819918
35 C (95 F): Days10520215
90 F (32.2 C): Days211520223
100 F (37.8 C): Days2120211
0 C (32 F): Ice days (max2647201932
0 C (32 F): Frost days (min182192017177
-10 C (14 F): Days with min1830202330
-20 C (-4 F): Days with min6520132
10 mm (0.39 in): Days with 10 mm or more rain763199059
25 mm (0.98 in): Days with 25 mm or more rain718198811
50 mm (1.97 in): Days with 50 mm or more rain6519945
10 cm (3.9 in): Days with 10 cm or more snowfall734199434
25 cm (9.8 in): Days with 25 cm or more snowfall7819907
50 cm (19.7 in): Days with 50 cm or more snowfall3119901

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1987.

Download the Data

  • 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-12).