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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

Fern Ridge Threshold Days by Year

3 fixed thresholds counted per year at Fern Ridge (ASN00009902): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Fern Ridge Thresholds

  • Fern Ridge: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1976 with 31.
  • Fern Ridge: days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 1978 with 6.
  • Fern Ridge: days with 50 mm (1.97 in) or more of precipitation in 6 years, most in 1982 with 2.
  • 3 fixed thresholds have at least one qualifying day at Fern Ridge.
30 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Fern Ridge Days per year at Fern Ridge with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1976. 0102030401973: 281974: 201975: 231976: 311977: 271978: 281979: 161980: 201981: 241982: 171983: 151984: 251985: 191989: 271990: 221991: 221992: 251993: 281994: 221995: 241996: 291998: 241999: 242000: 232001: 212002: 202003: 252004: 172005: 242006: 161973197619791982198519911994199820012004
Days per year at Fern Ridge with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1976.
Days with 10 mm (0.39 in) or more of precipitation per year at Fern Ridge
YearDaysDecade average
19732824.7
19742024.7
19752324.7
19763124.7
19772724.7
19782824.7
19791624.7
19802021
19812421
19821721
19831521
19842521
19851921
19892721
19902224.4
19912224.4
19922524.4
19932824.4
19942224.4
19952424.4
19962924.4
19982424.4
19992424.4
20002320.9
20012120.9
20022020.9
20032520.9
20041720.9
20052420.9
20061620.9
First to last qualifying date each year at Fern Ridge For each year, a bar from the first to the last day at Fern Ridge meeting 10 mm (0.39 in). 1973: 11 April 1973 to 14 November 19731974: 10 February 1974 to 17 November 19741975: 2 April 1975 to 17 November 19751976: 7 January 1976 to 28 November 19761977: 27 April 1977 to 29 December 19771978: 16 April 1978 to 14 December 19781979: 12 January 1979 to 9 November 19791980: 11 February 1980 to 26 November 19801981: 11 April 1981 to 26 November 19811982: 21 January 1982 to 27 November 19821983: 5 February 1983 to 31 December 19831984: 18 February 1984 to 9 December 19841985: 17 January 1985 to 21 October 19851989: 6 January 1989 to 15 December 19891990: 29 January 1990 to 1 November 19901991: 2 January 1991 to 25 December 19911992: 7 February 1992 to 13 December 19921993: 18 March 1993 to 27 October 19931994: 11 May 1994 to 18 November 19941995: 24 March 1995 to 23 December 19951996: 15 March 1996 to 12 December 19961998: 10 March 1998 to 10 December 19981999: 29 January 1999 to 15 October 19992000: 16 January 2000 to 29 December 20002001: 6 May 2001 to 19 December 20012002: 16 April 2002 to 1 November 20022003: 17 February 2003 to 18 November 20032004: 17 February 2004 to 6 September 20042005: 15 February 2005 to 11 December 20052006: 7 February 2006 to 4 October 200619731977198119851992199620012005JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Fern Ridge meeting 10 mm (0.39 in).
First to last qualifying date each year at Fern Ridge
YearFirst dateLast date
19731973-04-111973-11-14
19741974-02-101974-11-17
19751975-04-021975-11-17
19761976-01-071976-11-28
19771977-04-271977-12-29
19781978-04-161978-12-14
19791979-01-121979-11-09
19801980-02-111980-11-26
19811981-04-111981-11-26
19821982-01-211982-11-27
19831983-02-051983-12-31
19841984-02-181984-12-09
19851985-01-171985-10-21
19891989-01-061989-12-15
19901990-01-291990-11-01
19911991-01-021991-12-25
19921992-02-071992-12-13
19931993-03-181993-10-27
19941994-05-111994-11-18
19951995-03-241995-12-23
19961996-03-151996-12-12
19981998-03-101998-12-10
19991999-01-291999-10-15
20002000-01-162000-12-29
20012001-05-062001-12-19
20022002-04-162002-11-01
20032003-02-172003-11-18
20042004-02-172004-09-06
20052005-02-152005-12-11
20062006-02-072006-10-04

Every Fixed Threshold

Fixed thresholds at Fern Ridge
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3031197616
25 mm (0.98 in): Days with 25 mm or more rain29619781
50 mm (1.97 in): Days with 50 mm or more rain6219822

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1973.

Download the Data

  • Data for Fern Ridge 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). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).