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Built 2026-10-19 (19 October 2026)

Clarksville 3 NNE Threshold Days by Year (USC00181862)

17 fixed thresholds counted per year at Clarksville 3 NNE (USC00181862): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Clarksville 3 NNE Thresholds

  • Clarksville 3 NNE: nights with a minimum temperature at or below 0 C (32 F) in 31 years, most in 1969 with 142.
  • Clarksville 3 NNE: nights with a minimum temperature at or below -10 C (14 F) in 31 years, most in 1977 with 38.
  • Clarksville 3 NNE: nights with a minimum temperature at or above 20 C (68 F) in 31 years, most in 1989 with 30.
  • Clarksville 3 NNE: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1996 with 54.
  • 17 fixed thresholds have at least one qualifying day at Clarksville 3 NNE.
29 years with a qualifying day
Days at or above 30 C (86 F) per year at Clarksville 3 NNE Days per year at Clarksville 3 NNE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 90 in 1991. 02550751001968: 491969: 531970: 631971: 391972: 381973: 571974: 541975: 491976: 501977: 661978: 471979: 401980: 801981: 481982: 461983: 761984: 611985: 651986: 651987: 751988: 721989: 481990: 581991: 901992: 401996: 531997: 591998: 862002: 481968197119741977198019831986198919921998
Days per year at Clarksville 3 NNE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 90 in 1991.
Days at or above 30 C (86 F) per year at Clarksville 3 NNE
YearDaysDecade average
19684951
19695351
19706350.3
19713950.3
19723850.3
19735750.3
19745450.3
19754950.3
19765050.3
19776650.3
19784750.3
19794050.3
19808063.6
19814863.6
19824663.6
19837663.6
19846163.6
19856563.6
19866563.6
19877563.6
19887263.6
19894863.6
19905864.3
19919064.3
19924064.3
19965364.3
19975964.3
19988664.3
20024848
First to last qualifying date each year at Clarksville 3 NNE For each year, a bar from the first to the last day at Clarksville 3 NNE meeting 30 C (86 F). 1968: 6 June 1968 to 25 September 19681969: 27 April 1969 to 18 September 19691970: 9 May 1970 to 27 September 19701971: 19 May 1971 to 10 September 19711972: 3 June 1972 to 26 September 19721973: 4 June 1973 to 7 September 19731974: 29 April 1974 to 14 September 19741975: 20 May 1975 to 30 August 19751976: 16 April 1976 to 15 September 19761977: 12 April 1977 to 20 September 19771978: 20 May 1978 to 19 September 19781979: 9 May 1979 to 21 October 19791980: 5 May 1980 to 23 September 19801981: 25 May 1981 to 26 September 19811982: 12 May 1982 to 13 September 19821983: 28 April 1983 to 4 October 19831984: 19 May 1984 to 28 October 19841985: 19 April 1985 to 20 September 19851986: 6 May 1986 to 2 October 19861987: 10 May 1987 to 28 August 19871988: 23 May 1988 to 23 September 19881989: 26 May 1989 to 15 October 19891990: 12 March 1990 to 12 September 19901991: 7 April 1991 to 18 September 19911992: 2 May 1992 to 22 September 19921996: 18 May 1996 to 10 September 19961997: 19 May 1997 to 7 October 19971998: 30 March 1998 to 28 September 19982002: 16 April 2002 to 21 September 200219681972197619801984198819922002JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Clarksville 3 NNE meeting 30 C (86 F).
First to last qualifying date each year at Clarksville 3 NNE
YearFirst dateLast date
19681968-06-061968-09-25
19691969-04-271969-09-18
19701970-05-091970-09-27
19711971-05-191971-09-10
19721972-06-031972-09-26
19731973-06-041973-09-07
19741974-04-291974-09-14
19751975-05-201975-08-30
19761976-04-161976-09-15
19771977-04-121977-09-20
19781978-05-201978-09-19
19791979-05-091979-10-21
19801980-05-051980-09-23
19811981-05-251981-09-26
19821982-05-121982-09-13
19831983-04-281983-10-04
19841984-05-191984-10-28
19851985-04-191985-09-20
19861986-05-061986-10-02
19871987-05-101987-08-28
19881988-05-231988-09-23
19891989-05-261989-10-15
19901990-03-121990-09-12
19911991-04-071991-09-18
19921992-05-021992-09-22
19961996-05-181996-09-10
19971997-05-191997-10-07
19981998-03-301998-09-28
20022002-04-162002-09-21

Every Fixed Threshold

Fixed thresholds at Clarksville 3 NNE
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2990199148
35 C (95 F): Days242619839
90 F (32.2 C): Days2957198831
100 F (37.8 C): Days6719881
0 C (32 F): Ice days (max293419782
0 C (32 F): Frost days (min31142196995
-10 C (14 F): Days with min313819779
-20 C (-4 F): Days with min15619792
20 C (68 F): Tropical nights (min3130198930
25 C (77 F): Days with min3119871
10 mm (0.39 in): Days with 10 mm or more rain3054199629
25 mm (0.98 in): Days with 25 mm or more rain302319836
50 mm (1.97 in): Days with 50 mm or more rain29819712
100 mm (3.94 in): Days with 100 mm or more rain4119711
200 mm (7.87 in): Days with 200 mm or more rain1119721
10 cm (3.9 in): Days with 10 cm or more snowfall26419781
25 cm (9.8 in): Days with 25 cm or more snowfall3219872

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1968.

Download the Data

  • Data for Clarksville 3 NNE 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).