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Built 2026-10-19 (19 October 2026)

Cheviot Threshold Days by Year (USC00331515)

16 fixed thresholds counted per year at Cheviot (USC00331515): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cheviot Thresholds

  • Cheviot: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1996 with 52.
  • Cheviot: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1996 with 19.
  • Cheviot: days with 50 mm (1.97 in) or more of precipitation in 36 years, most in 1985 with 4.
  • Cheviot: days with a maximum temperature at or above 30 C (86 F) in 27 years, most in 2007 with 85.
  • 16 fixed thresholds have at least one qualifying day at Cheviot.
27 years with a qualifying day
Days at or above 30 C (86 F) per year at Cheviot Days per year at Cheviot with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 85 in 2007. 02550751001989: 601990: 631992: 381993: 811994: 661995: 691996: 541997: 531998: 761999: 812000: 652001: 452002: 752003: 292004: 372005: 562006: 462007: 852008: 492009: 272010: 742011: 632012: 692013: 402014: 372015: 442016: 73198919931996199920022005200820112014
Days per year at Cheviot with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 85 in 2007.
Days at or above 30 C (86 F) per year at Cheviot
YearDaysDecade average
19896060
19906364.6
19923864.6
19938164.6
19946664.6
19956964.6
19965464.6
19975364.6
19987664.6
19998164.6
20006551.4
20014551.4
20027551.4
20032951.4
20043751.4
20055651.4
20064651.4
20078551.4
20084951.4
20092751.4
20107457.1
20116357.1
20126957.1
20134057.1
20143757.1
20154457.1
20167357.1
First to last qualifying date each year at Cheviot For each year, a bar from the first to the last day at Cheviot meeting 30 C (86 F). 1989: 25 April 1989 to 9 September 19891990: 24 April 1990 to 10 September 19901992: 1 May 1992 to 16 September 19921993: 8 May 1993 to 15 September 19931994: 25 April 1994 to 1 October 19941995: 24 May 1995 to 7 September 19951996: 9 May 1996 to 8 September 19961997: 19 June 1997 to 8 October 19971998: 13 May 1998 to 29 September 19981999: 12 May 1999 to 28 September 19992000: 5 May 2000 to 4 September 20002001: 8 April 2001 to 9 September 20012002: 17 April 2002 to 20 September 20022003: 24 June 2003 to 30 August 20032004: 10 May 2004 to 24 September 20042005: 12 May 2005 to 23 September 20052006: 29 May 2006 to 28 August 20062007: 1 May 2007 to 9 October 20072008: 3 June 2008 to 14 September 20082009: 26 April 2009 to 29 August 20092010: 24 May 2010 to 11 October 20102011: 12 May 2011 to 14 September 20112012: 3 May 2012 to 8 September 20122013: 16 May 2013 to 12 September 20132014: 13 May 2014 to 3 October 20142015: 7 May 2015 to 9 September 20152016: 28 May 2016 to 26 September 20161989199419982002200620102014JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cheviot meeting 30 C (86 F).
First to last qualifying date each year at Cheviot
YearFirst dateLast date
19891989-04-251989-09-09
19901990-04-241990-09-10
19921992-05-011992-09-16
19931993-05-081993-09-15
19941994-04-251994-10-01
19951995-05-241995-09-07
19961996-05-091996-09-08
19971997-06-191997-10-08
19981998-05-131998-09-29
19991999-05-121999-09-28
20002000-05-052000-09-04
20012001-04-082001-09-09
20022002-04-172002-09-20
20032003-06-242003-08-30
20042004-05-102004-09-24
20052005-05-122005-09-23
20062006-05-292006-08-28
20072007-05-012007-10-09
20082008-06-032008-09-14
20092009-04-262009-08-29
20102010-05-242010-10-11
20112011-05-122011-09-14
20122012-05-032012-09-08
20132013-05-162013-09-12
20142014-05-132014-10-03
20152015-05-072015-09-09
20162016-05-282016-09-26

Every Fixed Threshold

Fixed thresholds at Cheviot
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2785200773
35 C (95 F): Days1415201215
90 F (32.2 C): Days2752199323
100 F (37.8 C): Days3320123
0 C (32 F): Ice days (max2753201030
0 C (32 F): Frost days (min271272013101
-10 C (14 F): Days with min2740201419
-20 C (-4 F): Days with min13719893
-30 C (-22 F): Days with min2119891
20 C (68 F): Tropical nights (min2753201048
25 C (77 F): Days with min9419953
10 mm (0.39 in): Days with 10 mm or more rain4752199637
25 mm (0.98 in): Days with 25 mm or more rain471919969
50 mm (1.97 in): Days with 50 mm or more rain36419852
100 mm (3.94 in): Days with 100 mm or more rain2119791
10 cm (3.9 in): Days with 10 cm or more snowfall27319662

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1989.

Download the Data

  • Data for Cheviot 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).