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Built 2026-10-19 (19 October 2026)

American River (Redbanks) Threshold Days by Year (ASN00022831)

3 fixed thresholds counted per year at American River (Redbanks) (ASN00022831): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for American River (Redbanks) Thresholds

  • American River (Redbanks): days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1978 with 21.
  • American River (Redbanks): days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 2000 with 4.
  • American River (Redbanks): days with 50 mm (1.97 in) or more of precipitation in 1 years, most in 1979 with 1.
  • 3 fixed thresholds have at least one qualifying day at American River (Redbanks).
39 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at American River (Redbanks) Days per year at American River (Redbanks) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1978. 01020301975: 131976: 101977: 101978: 211979: 131980: 101981: 111982: 71983: 201984: 111985: 101986: 131987: 161988: 151989: 151990: 91991: 61992: 161993: 131994: 91995: 121996: 101997: 151998: 111999: 102000: 212001: 92002: 72003: 202004: 82005: 122006: 72007: 102008: 72012: 162013: 162014: 132018: 72021: 121975197919831987199119951999200320072014
Days per year at American River (Redbanks) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1978.
Days with 10 mm (0.39 in) or more of precipitation per year at American River (Redbanks)
YearDaysDecade average
19751313.4
19761013.4
19771013.4
19782113.4
19791313.4
19801012.8
19811112.8
1982712.8
19832012.8
19841112.8
19851012.8
19861312.8
19871612.8
19881512.8
19891512.8
1990911.1
1991611.1
19921611.1
19931311.1
1994911.1
19951211.1
19961011.1
19971511.1
19981111.1
19991011.1
20002111.2
2001911.2
2002711.2
20032011.2
2004811.2
20051211.2
2006711.2
20071011.2
2008711.2
20121613
20131613
20141313
2018713
20211212
First to last qualifying date each year at American River (Redbanks) For each year, a bar from the first to the last day at American River (Redbanks) meeting 10 mm (0.39 in). 1975: 25 January 1975 to 3 November 19751976: 9 January 1976 to 23 December 19761977: 13 February 1977 to 14 September 19771978: 9 April 1978 to 19 November 19781979: 24 February 1979 to 15 November 19791980: 12 May 1980 to 16 December 19801981: 27 January 1981 to 9 November 19811982: 22 March 1982 to 29 September 19821983: 1 March 1983 to 6 December 19831984: 27 March 1984 to 1 November 19841985: 16 March 1985 to 23 October 19851986: 24 April 1986 to 16 December 19861987: 2 May 1987 to 1 December 19871988: 7 January 1988 to 14 November 19881989: 26 April 1989 to 16 August 19891990: 8 February 1990 to 6 December 19901991: 8 June 1991 to 26 September 19911992: 1 March 1992 to 25 December 19921993: 8 May 1993 to 2 November 19931994: 9 May 1994 to 7 October 19941995: 14 January 1995 to 24 September 19951996: 8 February 1996 to 29 September 19961997: 15 January 1997 to 9 December 19971998: 12 April 1998 to 11 November 19981999: 7 March 1999 to 3 December 19992000: 25 January 2000 to 19 October 20002001: 13 February 2001 to 23 November 20012002: 13 April 2002 to 26 November 20022003: 30 January 2003 to 20 December 20032004: 29 March 2004 to 8 September 20042005: 11 June 2005 to 7 November 20052006: 29 January 2006 to 15 July 20062007: 20 January 2007 to 21 November 20072008: 20 February 2008 to 13 December 20082012: 15 March 2012 to 11 October 20122013: 21 April 2013 to 5 December 20132014: 2 January 2014 to 11 December 20142018: 3 May 2018 to 22 November 20182021: 26 January 2021 to 29 October 202119751980198519901995200020052013JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at American River (Redbanks) meeting 10 mm (0.39 in).
First to last qualifying date each year at American River (Redbanks)
YearFirst dateLast date
19751975-01-251975-11-03
19761976-01-091976-12-23
19771977-02-131977-09-14
19781978-04-091978-11-19
19791979-02-241979-11-15
19801980-05-121980-12-16
19811981-01-271981-11-09
19821982-03-221982-09-29
19831983-03-011983-12-06
19841984-03-271984-11-01
19851985-03-161985-10-23
19861986-04-241986-12-16
19871987-05-021987-12-01
19881988-01-071988-11-14
19891989-04-261989-08-16
19901990-02-081990-12-06
19911991-06-081991-09-26
19921992-03-011992-12-25
19931993-05-081993-11-02
19941994-05-091994-10-07
19951995-01-141995-09-24
19961996-02-081996-09-29
19971997-01-151997-12-09
19981998-04-121998-11-11
19991999-03-071999-12-03
20002000-01-252000-10-19
20012001-02-132001-11-23
20022002-04-132002-11-26
20032003-01-302003-12-20
20042004-03-292004-09-08
20052005-06-112005-11-07
20062006-01-292006-07-15
20072007-01-202007-11-21
20082008-02-202008-12-13
20122012-03-152012-10-11
20132013-04-212013-12-05
20142014-01-022014-12-11
20182018-05-032018-11-22
20212021-01-262021-10-29

Every Fixed Threshold

Fixed thresholds at American River (Redbanks)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3921197812
25 mm (0.98 in): Days with 25 mm or more rain28420002
50 mm (1.97 in): Days with 50 mm or more rain1119791

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.

Download the Data

  • Data for American River (Redbanks) 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).