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Built 2026-10-18 (18 October 2026)

Three Rivers 9 NE Threshold Days by Year

6 fixed thresholds counted per year at Three Rivers 9 NE (USC00419007): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Three Rivers 9 NE Thresholds

  • Three Rivers 9 NE: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 2007 with 36.
  • Three Rivers 9 NE: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 2007 with 18.
  • Three Rivers 9 NE: days with 50 mm (1.97 in) or more of precipitation in 27 years, most in 2007 with 7.
  • Three Rivers 9 NE: days with 100 mm (3.94 in) or more of precipitation in 7 years, most in 2003 with 2.
  • 6 fixed thresholds have at least one qualifying day at Three Rivers 9 NE.
30 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Three Rivers 9 NE Days per year at Three Rivers 9 NE with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 2007. 0102030401988: 101989: 141990: 181991: 221992: 301993: 201994: 261996: 61998: 231999: 72000: 212001: 182002: 282003: 192004: 332005: 212006: 72007: 362008: 82009: 172010: 222011: 102012: 152013: 162014: 132015: 192022: 122023: 182024: 212025: 91988199119941999200220052008201120142023
Days per year at Three Rivers 9 NE with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 2007.
Days with 10 mm (0.39 in) or more of precipitation per year at Three Rivers 9 NE
YearDaysDecade average
19881012
19891412
19901819
19912219
19923019
19932019
19942619
1996619
19982319
1999719
20002120.8
20011820.8
20022820.8
20031920.8
20043320.8
20052120.8
2006720.8
20073620.8
2008820.8
20091720.8
20102215.8
20111015.8
20121515.8
20131615.8
20141315.8
20151915.8
20221215
20231815
20242115
2025915
First to last qualifying date each year at Three Rivers 9 NE For each year, a bar from the first to the last day at Three Rivers 9 NE meeting 10 mm (0.39 in). 1988: 16 April 1988 to 29 October 19881989: 19 January 1989 to 2 December 19891990: 6 January 1990 to 23 November 19901991: 8 January 1991 to 26 December 19911992: 5 January 1992 to 15 December 19921993: 7 January 1993 to 17 December 19931994: 13 January 1994 to 28 December 19941996: 1 June 1996 to 24 November 19961998: 31 January 1998 to 4 December 19981999: 19 March 1999 to 23 August 19992000: 27 January 2000 to 24 November 20002001: 10 January 2001 to 8 December 20012002: 16 April 2002 to 30 December 20022003: 12 January 2003 to 10 November 20032004: 16 January 2004 to 25 December 20042005: 28 January 2005 to 27 October 20052006: 25 April 2006 to 29 December 20062007: 4 January 2007 to 24 November 20072008: 16 January 2008 to 26 August 20082009: 26 March 2009 to 30 December 20092010: 15 January 2010 to 25 December 20102011: 9 January 2011 to 22 December 20112012: 25 January 2012 to 1 October 20122013: 9 January 2013 to 26 November 20132014: 4 March 2014 to 19 December 20142015: 11 January 2015 to 13 December 20152022: 22 March 2022 to 26 November 20222023: 25 January 2023 to 13 November 20232024: 5 January 2024 to 5 November 20242025: 10 January 2025 to 3 August 202519881992199820022006201020142024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Three Rivers 9 NE meeting 10 mm (0.39 in).
First to last qualifying date each year at Three Rivers 9 NE
YearFirst dateLast date
19881988-04-161988-10-29
19891989-01-191989-12-02
19901990-01-061990-11-23
19911991-01-081991-12-26
19921992-01-051992-12-15
19931993-01-071993-12-17
19941994-01-131994-12-28
19961996-06-011996-11-24
19981998-01-311998-12-04
19991999-03-191999-08-23
20002000-01-272000-11-24
20012001-01-102001-12-08
20022002-04-162002-12-30
20032003-01-122003-11-10
20042004-01-162004-12-25
20052005-01-282005-10-27
20062006-04-252006-12-29
20072007-01-042007-11-24
20082008-01-162008-08-26
20092009-03-262009-12-30
20102010-01-152010-12-25
20112011-01-092011-12-22
20122012-01-252012-10-01
20132013-01-092013-11-26
20142014-03-042014-12-19
20152015-01-112015-12-13
20222022-03-222022-11-26
20232023-01-252023-11-13
20242024-01-052024-11-05
20252025-01-102025-08-03

Every Fixed Threshold

Fixed thresholds at Three Rivers 9 NE
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain303620079
25 mm (0.98 in): Days with 25 mm or more rain301820076
50 mm (1.97 in): Days with 50 mm or more rain27720071
100 mm (3.94 in): Days with 100 mm or more rain7220031
200 mm (7.87 in): Days with 200 mm or more rain1120131
10 cm (3.9 in): Days with 10 cm or more snowfall1120041

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1988.

Download the Data

  • Data for Three Rivers 9 NE 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).