Daily records
Page built 2026-10-19
Data as of 2025-12-31
Search
Built 2026-10-19 (19 October 2026)

Oak Ridge Threshold Days by Year (USC00166868)

16 fixed thresholds counted per year at Oak Ridge (USC00166868): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Oak Ridge Thresholds

  • Oak Ridge: days with 10 mm (0.39 in) or more of precipitation in 43 years, most in 2004 with 52.
  • Oak Ridge: days with 25 mm (0.98 in) or more of precipitation in 43 years, most in 1968 with 30.
  • Oak Ridge: days with 50 mm (1.97 in) or more of precipitation in 42 years, most in 2006 with 10.
  • Oak Ridge: days with 100 mm (3.94 in) or more of precipitation in 22 years, most in 2006 with 3.
  • 16 fixed thresholds have at least one qualifying day at Oak Ridge.
43 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Oak Ridge Days per year at Oak Ridge with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 52 in 2004. 02040601896: 301898: 561899: 391947: 431948: 381949: 301950: 421951: 171952: 271954: 301956: 331958: 401959: 361961: 511962: 301963: 371964: 371965: 301966: 351967: 351968: 511969: 291992: 481993: 401996: 361997: 471998: 401999: 372000: 422001: 502002: 482003: 312004: 522005: 222006: 452007: 332008: 372009: 392010: 322011: 332012: 342013: 282025: 8189619491956196319681997200220072012
Days per year at Oak Ridge with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 52 in 2004.
Days with 10 mm (0.39 in) or more of precipitation per year at Oak Ridge
YearDaysDecade average
18963041.7
18985641.7
18993941.7
19474337
19483837
19493037
19504232.1
19511732.1
19522732.1
19543032.1
19563332.1
19584032.1
19593632.1
19615137.2
19623037.2
19633737.2
19643737.2
19653037.2
19663537.2
19673537.2
19685137.2
19692937.2
19924841.3
19934041.3
19963641.3
19974741.3
19984041.3
19993741.3
20004239.9
20015039.9
20024839.9
20033139.9
20045239.9
20052239.9
20064539.9
20073339.9
20083739.9
20093939.9
20103231.8
20113331.8
20123431.8
20132831.8
202588
First to last qualifying date each year at Oak Ridge For each year, a bar from the first to the last day at Oak Ridge meeting 10 mm (0.39 in). 1896: 7 January 1896 to 28 November 18961898: 5 January 1898 to 19 December 18981899: 5 January 1899 to 23 December 18991947: 1 January 1947 to 15 December 19471948: 1 January 1948 to 29 December 19481949: 3 January 1949 to 28 December 19491950: 2 January 1950 to 16 December 19501951: 14 February 1951 to 15 December 19511952: 10 January 1952 to 31 December 19521954: 10 January 1954 to 28 December 19541956: 4 February 1956 to 22 December 19561958: 24 January 1958 to 18 November 19581959: 16 January 1959 to 17 December 19591961: 25 January 1961 to 31 December 19611962: 5 January 1962 to 29 December 19621963: 5 January 1963 to 21 December 19631964: 6 January 1964 to 20 December 19641965: 10 January 1965 to 19 December 19651966: 2 January 1966 to 31 December 19661967: 14 January 1967 to 31 December 19671968: 4 January 1968 to 28 December 19681969: 17 January 1969 to 30 December 19691992: 3 January 1992 to 24 December 19921993: 5 January 1993 to 14 December 19931996: 1 January 1996 to 29 December 19961997: 5 January 1997 to 24 December 19971998: 5 January 1998 to 28 December 19981999: 2 January 1999 to 21 December 19992000: 4 January 2000 to 29 December 20002001: 11 January 2001 to 23 December 20012002: 6 January 2002 to 31 December 20022003: 4 February 2003 to 29 December 20032004: 9 January 2004 to 23 December 20042005: 8 January 2005 to 15 December 20052006: 11 January 2006 to 31 December 20062007: 5 January 2007 to 27 December 20072008: 26 January 2008 to 28 December 20082009: 6 January 2009 to 30 December 20092010: 17 January 2010 to 30 November 20102011: 1 January 2011 to 25 December 20112012: 10 January 2012 to 16 December 20122013: 1 January 2013 to 22 December 20132025: 22 April 2025 to 8 July 202518961950195919661996200220082025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Oak Ridge meeting 10 mm (0.39 in).
First to last qualifying date each year at Oak Ridge
YearFirst dateLast date
18961896-01-071896-11-28
18981898-01-051898-12-19
18991899-01-051899-12-23
19471947-01-011947-12-15
19481948-01-011948-12-29
19491949-01-031949-12-28
19501950-01-021950-12-16
19511951-02-141951-12-15
19521952-01-101952-12-31
19541954-01-101954-12-28
19561956-02-041956-12-22
19581958-01-241958-11-18
19591959-01-161959-12-17
19611961-01-251961-12-31
19621962-01-051962-12-29
19631963-01-051963-12-21
19641964-01-061964-12-20
19651965-01-101965-12-19
19661966-01-021966-12-31
19671967-01-141967-12-31
19681968-01-041968-12-28
19691969-01-171969-12-30
19921992-01-031992-12-24
19931993-01-051993-12-14
19961996-01-011996-12-29
19971997-01-051997-12-24
19981998-01-051998-12-28
19991999-01-021999-12-21
20002000-01-042000-12-29
20012001-01-112001-12-23
20022002-01-062002-12-31
20032003-02-042003-12-29
20042004-01-092004-12-23
20052005-01-082005-12-15
20062006-01-112006-12-31
20072007-01-052007-12-27
20082008-01-262008-12-28
20092009-01-062009-12-30
20102010-01-172010-11-30
20112011-01-012011-12-25
20122012-01-102012-12-16
20132013-01-012013-12-22
20252025-04-222025-07-08

Every Fixed Threshold

Fixed thresholds at Oak Ridge
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days21571899157
35 C (95 F): Days279189665
40 C (104 F): Days22818962
90 F (32.2 C): Days21221899122
100 F (37.8 C): Days250189625
0 C (32 F): Frost days (min257189656
-10 C (14 F): Days with min1318993
-20 C (-4 F): Days with min1118991
20 C (68 F): Tropical nights (min289189989
25 C (77 F): Days with min2718997
10 mm (0.39 in): Days with 10 mm or more rain435220048
25 mm (0.98 in): Days with 25 mm or more rain433019686
50 mm (1.97 in): Days with 50 mm or more rain421020065
100 mm (3.94 in): Days with 100 mm or more rain22320061
200 mm (7.87 in): Days with 200 mm or more rain1120061
10 cm (3.9 in): Days with 10 cm or more snowfall1119491

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

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