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Built 2026-10-19 (19 October 2026)

Old Hickory WFO Threshold Days by Year (USC00406806)

16 fixed thresholds counted per year at Old Hickory WFO (USC00406806): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Old Hickory WFO Thresholds

  • Old Hickory WFO: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 2009 with 57.
  • Old Hickory WFO: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 2019 with 23.
  • Old Hickory WFO: days with a maximum temperature at or above 30 C (86 F) in 35 years, most in 2007 with 117.
  • Old Hickory WFO: days with a maximum temperature at or above 90 F (32.2 C) in 35 years, most in 2010 with 77.
  • 16 fixed thresholds have at least one qualifying day at Old Hickory WFO.
35 years with a qualifying day
Days at or above 30 C (86 F) per year at Old Hickory WFO Days per year at Old Hickory WFO with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 117 in 2007. 0501001501991: 811992: 371993: 881995: 821996: 671997: 631998: 1071999: 882000: 912001: 672002: 872003: 412004: 492005: 962006: 842007: 1172008: 742009: 532010: 1122011: 952012: 822013: 592014: 832015: 772016: 1022017: 692018: 1032019: 1102020: 802021: 682022: 982023: 712024: 842025: 952026: 104199119962000200420082012201620202024
Days per year at Old Hickory WFO with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 117 in 2007.
Days at or above 30 C (86 F) per year at Old Hickory WFO
YearDaysDecade average
19918176.6
19923776.6
19938876.6
19958276.6
19966776.6
19976376.6
199810776.6
19998876.6
20009175.9
20016775.9
20028775.9
20034175.9
20044975.9
20059675.9
20068475.9
200711775.9
20087475.9
20095375.9
201011289.2
20119589.2
20128289.2
20135989.2
20148389.2
20157789.2
201610289.2
20176989.2
201810389.2
201911089.2
20208085.7
20216885.7
20229885.7
20237185.7
20248485.7
20259585.7
202610485.7
First to last qualifying date each year at Old Hickory WFO For each year, a bar from the first to the last day at Old Hickory WFO meeting 30 C (86 F). 1991: 15 May 1991 to 18 September 19911992: 17 May 1992 to 9 September 19921993: 6 May 1993 to 25 September 19931995: 9 April 1995 to 14 September 19951996: 9 May 1996 to 9 September 19961997: 18 May 1997 to 8 October 19971998: 13 May 1998 to 5 October 19981999: 3 April 1999 to 28 September 19992000: 11 May 2000 to 5 October 20002001: 10 April 2001 to 23 September 20012002: 17 April 2002 to 2 October 20022003: 23 June 2003 to 1 September 20032004: 8 May 2004 to 25 September 20042005: 11 May 2005 to 19 October 20052006: 14 April 2006 to 4 October 20062007: 26 March 2007 to 9 October 20072008: 31 May 2008 to 7 October 20082009: 25 April 2009 to 8 September 20092010: 6 April 2010 to 12 October 20102011: 10 April 2011 to 15 September 20112012: 2 April 2012 to 8 September 20122013: 11 April 2013 to 6 October 20132014: 5 May 2014 to 3 October 20142015: 6 May 2015 to 25 September 20152016: 27 April 2016 to 2 November 20162017: 15 April 2017 to 28 September 20172018: 4 May 2018 to 9 October 20182019: 1 May 2019 to 6 October 20192020: 17 May 2020 to 13 September 20202021: 23 May 2021 to 2 October 20212022: 12 May 2022 to 25 September 20222023: 16 May 2023 to 5 October 20232024: 17 April 2024 to 7 October 20242025: 5 April 2025 to 2 October 20252026: 22 March 2026 to 15 October 20261991199720022007201220172022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Old Hickory WFO meeting 30 C (86 F).
First to last qualifying date each year at Old Hickory WFO
YearFirst dateLast date
19911991-05-151991-09-18
19921992-05-171992-09-09
19931993-05-061993-09-25
19951995-04-091995-09-14
19961996-05-091996-09-09
19971997-05-181997-10-08
19981998-05-131998-10-05
19991999-04-031999-09-28
20002000-05-112000-10-05
20012001-04-102001-09-23
20022002-04-172002-10-02
20032003-06-232003-09-01
20042004-05-082004-09-25
20052005-05-112005-10-19
20062006-04-142006-10-04
20072007-03-262007-10-09
20082008-05-312008-10-07
20092009-04-252009-09-08
20102010-04-062010-10-12
20112011-04-102011-09-15
20122012-04-022012-09-08
20132013-04-112013-10-06
20142014-05-052014-10-03
20152015-05-062015-09-25
20162016-04-272016-11-02
20172017-04-152017-09-28
20182018-05-042018-10-09
20192019-05-012019-10-06
20202020-05-172020-09-13
20212021-05-232021-10-02
20222022-05-122022-09-25
20232023-05-162023-10-05
20242024-04-172024-10-07
20252025-04-052025-10-02
20262026-03-222026-10-15

Every Fixed Threshold

Fixed thresholds at Old Hickory WFO
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days351172007104
35 C (95 F): Days2929200723
40 C (104 F): Days2620126
90 F (32.2 C): Days3577201061
100 F (37.8 C): Days9920072
0 C (32 F): Ice days (max3523201010
0 C (32 F): Frost days (min3594201343
-10 C (14 F): Days with min301420147
20 C (68 F): Tropical nights (min3593201886
25 C (77 F): Days with min10520071
10 mm (0.39 in): Days with 10 mm or more rain3657200931
25 mm (0.98 in): Days with 25 mm or more rain362320198
50 mm (1.97 in): Days with 50 mm or more rain34720033
100 mm (3.94 in): Days with 100 mm or more rain5320101
200 mm (7.87 in): Days with 200 mm or more rain1120101
10 cm (3.9 in): Days with 10 cm or more snowfall7220031

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1991.

Download the Data

  • Data for Old Hickory WFO 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 (2026-10-17).