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Data as of 2026-10-12
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Built 2026-10-19 (19 October 2026)

Clarksville Threshold Days by Year (USC00441746)

17 fixed thresholds counted per year at Clarksville (USC00441746): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Clarksville Thresholds

  • Clarksville: days with 10 mm (0.39 in) or more of precipitation in 101 years, most in 2003 with 54.
  • Clarksville: days with 25 mm (0.98 in) or more of precipitation in 101 years, most in 2003 with 22.
  • Clarksville: days with 50 mm (1.97 in) or more of precipitation in 88 years, most in 2018 with 8.
  • Clarksville: days with 10 cm (3.9 in) or more of snowfall in 32 years, most in 1980 with 4.
  • 17 fixed thresholds have at least one qualifying day at Clarksville.
23 years with a qualifying day
Days at or above 30 C (86 F) per year at Clarksville Days per year at Clarksville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 118 in 2007. 0501001501950: 931953: 1012005: 1032006: 862007: 1182008: 932009: 762010: 1182011: 922012: 832013: 702014: 632016: 782017: 872018: 1052019: 1132020: 842021: 852022: 882023: 772024: 632025: 612026: 9319502006200920122016201920222025
Days per year at Clarksville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 118 in 2007.
Days at or above 30 C (86 F) per year at Clarksville
YearDaysDecade average
19509397
195310197
200510395.2
20068695.2
200711895.2
20089395.2
20097695.2
201011889.9
20119289.9
20128389.9
20137089.9
20146389.9
20167889.9
20178789.9
201810589.9
201911389.9
20208478.7
20218578.7
20228878.7
20237778.7
20246378.7
20256178.7
20269378.7
First to last qualifying date each year at Clarksville For each year, a bar from the first to the last day at Clarksville meeting 30 C (86 F). 1950: 28 March 1950 to 2 November 19501953: 11 April 1953 to 20 September 19532005: 20 April 2005 to 21 October 20052006: 16 April 2006 to 5 October 20062007: 28 March 2007 to 11 October 20072008: 19 April 2008 to 17 October 20082009: 25 April 2009 to 25 September 20092010: 3 April 2010 to 13 October 20102011: 25 April 2011 to 28 September 20112012: 15 March 2012 to 3 October 20122013: 11 April 2013 to 6 October 20132014: 3 April 2014 to 12 September 20142016: 17 March 2016 to 21 October 20162017: 18 May 2017 to 12 October 20172018: 3 May 2018 to 8 October 20182019: 2 May 2019 to 5 October 20192020: 21 March 2020 to 12 September 20202021: 8 April 2021 to 29 September 20212022: 26 April 2022 to 8 November 20222023: 25 March 2023 to 29 October 20232024: 16 April 2024 to 8 November 20242025: 5 April 2025 to 21 September 20252026: 12 March 2026 to 3 October 202619502006200920122016201920222025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Clarksville meeting 30 C (86 F).
First to last qualifying date each year at Clarksville
YearFirst dateLast date
19501950-03-281950-11-02
19531953-04-111953-09-20
20052005-04-202005-10-21
20062006-04-162006-10-05
20072007-03-282007-10-11
20082008-04-192008-10-17
20092009-04-252009-09-25
20102010-04-032010-10-13
20112011-04-252011-09-28
20122012-03-152012-10-03
20132013-04-112013-10-06
20142014-04-032014-09-12
20162016-03-172016-10-21
20172017-05-182017-10-12
20182018-05-032018-10-08
20192019-05-022019-10-05
20202020-03-212020-09-12
20212021-04-082021-09-29
20222022-04-262022-11-08
20232023-03-252023-10-29
20242024-04-162024-11-08
20252025-04-052025-09-21
20262026-03-122026-10-03

Every Fixed Threshold

Fixed thresholds at Clarksville
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days23118200793
35 C (95 F): Days2331195322
40 C (104 F): Days3720127
90 F (32.2 C): Days2388201055
100 F (37.8 C): Days9920122
0 C (32 F): Ice days (max13920183
0 C (32 F): Frost days (min23103195051
-10 C (14 F): Days with min141020147
20 C (68 F): Tropical nights (min23102201868
25 C (77 F): Days with min6220123
10 mm (0.39 in): Days with 10 mm or more rain10154200318
25 mm (0.98 in): Days with 25 mm or more rain1012220034
50 mm (1.97 in): Days with 50 mm or more rain88820181
100 mm (3.94 in): Days with 100 mm or more rain15219992
10 cm (3.9 in): Days with 10 cm or more snowfall32419802
25 cm (9.8 in): Days with 25 cm or more snowfall3119171
50 cm (19.7 in): Days with 50 cm or more snowfall1119301

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1950.

Download the Data

  • Data for Clarksville 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 (2026-10-12).