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Built 2026-10-19 (19 October 2026)

Oregon Wtr Wks Threshold Days by Year (USC00116492)

16 fixed thresholds counted per year at Oregon Wtr Wks (USC00116492): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Oregon Wtr Wks Thresholds

  • Oregon Wtr Wks: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1911 with 43.
  • Oregon Wtr Wks: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1935 with 13.
  • Oregon Wtr Wks: days with 50 mm (1.97 in) or more of precipitation in 34 years, most in 1951 with 4.
  • Oregon Wtr Wks: days with 10 cm (3.9 in) or more of snowfall in 27 years, most in 1951 with 7.
  • 16 fixed thresholds have at least one qualifying day at Oregon Wtr Wks.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Oregon Wtr Wks Days per year at Oregon Wtr Wks with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 57 in 1910. 02040601896: 481910: 571911: 551912: 431896191019111912
Days per year at Oregon Wtr Wks with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 57 in 1910.
Days at or above 30 C (86 F) per year at Oregon Wtr Wks
YearDaysDecade average
18964848
19105751.7
19115551.7
19124351.7
First to last qualifying date each year at Oregon Wtr Wks For each year, a bar from the first to the last day at Oregon Wtr Wks meeting 30 C (86 F). 1896: 6 May 1896 to 10 September 18961910: 29 April 1910 to 16 October 19101911: 9 May 1911 to 14 September 19111912: 7 May 1912 to 6 October 19121896191019111912JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Oregon Wtr Wks meeting 30 C (86 F).
First to last qualifying date each year at Oregon Wtr Wks
YearFirst dateLast date
18961896-05-061896-09-10
19101910-04-291910-10-16
19111911-05-091911-09-14
19121912-05-071912-10-06

Every Fixed Threshold

Fixed thresholds at Oregon Wtr Wks
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days457191043
35 C (95 F): Days41219115
90 F (32.2 C): Days433191124
100 F (37.8 C): Days1319113
0 C (32 F): Ice days (max472191272
0 C (32 F): Frost days (min41561896152
-10 C (14 F): Days with min467191267
-20 C (-4 F): Days with min426191226
-30 C (-22 F): Days with min2219122
20 C (68 F): Tropical nights (min420191114
10 mm (0.39 in): Days with 10 mm or more rain4443191126
25 mm (0.98 in): Days with 25 mm or more rain441319358
50 mm (1.97 in): Days with 50 mm or more rain34419513
100 mm (3.94 in): Days with 100 mm or more rain2119461
10 cm (3.9 in): Days with 10 cm or more snowfall27719512
25 cm (9.8 in): Days with 25 cm or more snowfall1119181

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.

Download the Data

  • Data for Oregon Wtr Wks 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 (2025-12-31).