Built 2026-10-19 (19 October 2026)

Scottsboro Threshold Days by Year (USC00017304)

17 fixed thresholds counted per year at Scottsboro (USC00017304): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Scottsboro Thresholds

  • Scottsboro: days with a maximum temperature at or above 30 C (86 F) in 114 years, most in 2016 with 138.
  • Scottsboro: days with a maximum temperature at or above 90 F (32.2 C) in 114 years, most in 1954 with 111.
  • Scottsboro: nights with a minimum temperature at or below 0 C (32 F) in 110 years, most in 1968 with 116.
  • Scottsboro: nights with a minimum temperature at or above 20 C (68 F) in 110 years, most in 1991 with 76.
  • 17 fixed thresholds have at least one qualifying day at Scottsboro.
114 years with a qualifying day
Days at or above 30 C (86 F) per year at Scottsboro Days per year at Scottsboro with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 138 in 2016. 0501001501894: 891895: 991896: 1281897: 1191898: 1061899: 1091901: 741902: 1081904: 851905: 801906: 671907: 821908: 711909: 601910: 611911: 1041912: 691913: 901914: 891915: 881916: 791917: 601919: 791920: 411923: 581926: 1051927: 1031928: 891932: 1011933: 1221934: 1061937: 951938: 831939: 911940: 751941: 1221942: 921943: 1141944: 1321945: 1131946: 831947: 1061948: 1091949: 1101950: 861951: 1201952: 1161953: 1331954: 1341955: 1321956: 1111957: 1231958: 1081959: 1101960: 1081961: 821962: 1181964: 721965: 1071966: 861968: 921969: 951970: 1111971: 1031972: 881973: 1051974: 641975: 931976: 691977: 1121979: 491980: 1111981: 931983: 851987: 1091988: 1081989: 911990: 1041991: 951992: 611993: 1041994: 751995: 951996: 931997: 731998: 1221999: 882000: 1042001: 782002: 1052003: 862004: 962005: 1202006: 1232007: 1362008: 1022009: 812010: 1252011: 1032012: 992013: 822014: 992015: 1002016: 1382017: 972018: 1212019: 1262020: 872021: 702022: 1142023: 1002024: 1142025: 1072026: 1161894190819231942195419681981199720092021
Days per year at Scottsboro with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 138 in 2016.
Days at or above 30 C (86 F) per year at Scottsboro
YearDaysDecade average
189489108.3
189599108.3
1896128108.3
1897119108.3
1898106108.3
1899109108.3
19017478.4
190210878.4
19048578.4
19058078.4
19066778.4
19078278.4
19087178.4
19096078.4
19106179.9
191110479.9
19126979.9
19139079.9
19148979.9
19158879.9
19167979.9
19176079.9
19197979.9
19204179.2
19235879.2
192610579.2
192710379.2
19288979.2
193210199.7
193312299.7
193410699.7
19379599.7
19388399.7
19399199.7
194075105.6
1941122105.6
194292105.6
1943114105.6
1944132105.6
1945113105.6
194683105.6
1947106105.6
1948109105.6
1949110105.6
195086117.3
1951120117.3
1952116117.3
1953133117.3
1954134117.3
1955132117.3
1956111117.3
1957123117.3
1958108117.3
1959110117.3
196010895
19618295
196211895
19647295
196510795
19668695
19689295
19699595
197011188.2
197110388.2
19728888.2
197310588.2
19746488.2
19759388.2
19766988.2
197711288.2
19794988.2
198011199.5
19819399.5
19838599.5
198710999.5
198810899.5
19899199.5
199010491
19919591
19926191
199310491
19947591
19959591
19969391
19977391
199812291
19998891
2000104103.1
200178103.1
2002105103.1
200386103.1
200496103.1
2005120103.1
2006123103.1
2007136103.1
2008102103.1
200981103.1
2010125109
2011103109
201299109
201382109
201499109
2015100109
2016138109
201797109
2018121109
2019126109
202087101.1
202170101.1
2022114101.1
2023100101.1
2024114101.1
2025107101.1
2026116101.1
First to last qualifying date each year at Scottsboro For each year, a bar from the first to the last day at Scottsboro meeting 30 C (86 F). 1894: 17 April 1894 to 2 October 18941895: 28 March 1895 to 7 October 18951896: 13 April 1896 to 21 September 18961897: 26 April 1897 to 17 October 18971898: 1 May 1898 to 7 October 18981899: 27 April 1899 to 22 October 18991901: 30 April 1901 to 14 September 19011902: 30 April 1902 to 25 November 19021904: 22 May 1904 to 20 October 19041905: 28 April 1905 to 28 September 19051906: 12 April 1906 to 25 September 19061907: 18 March 1907 to 25 September 19071908: 18 March 1908 to 14 September 19081909: 18 April 1909 to 5 October 19091910: 24 March 1910 to 12 October 19101911: 11 May 1911 to 15 October 19111912: 22 May 1912 to 10 October 19121913: 4 May 1913 to 10 October 19131914: 17 April 1914 to 22 September 19141915: 19 April 1915 to 28 September 19151916: 6 May 1916 to 16 October 19161917: 18 April 1917 to 9 September 19171919: 6 April 1919 to 1 October 19191920: 17 April 1920 to 16 September 19201923: 10 June 1923 to 30 October 19231926: 1 May 1926 to 19 October 19261927: 5 April 1927 to 25 October 19271928: 4 May 1928 to 15 October 19281932: 6 May 1932 to 18 September 19321933: 5 May 1933 to 1 October 19331934: 3 April 1934 to 29 September 19341937: 18 April 1937 to 8 September 19371938: 2 May 1938 to 6 October 19381939: 11 May 1939 to 24 October 19391940: 6 May 1940 to 23 September 19401941: 16 May 1941 to 22 October 19411942: 25 April 1942 to 2 October 19421943: 27 April 1943 to 3 October 19431944: 11 May 1944 to 31 October 19441945: 3 April 1945 to 30 September 19451946: 20 April 1946 to 10 October 19461947: 4 May 1947 to 21 October 19471948: 12 April 1948 to 23 September 19481949: 3 May 1949 to 12 October 19491950: 5 May 1950 to 16 October 19501951: 27 April 1951 to 6 October 19511952: 22 April 1952 to 1 October 19521953: 1 May 1953 to 23 October 19531954: 26 April 1954 to 14 October 19541955: 16 April 1955 to 6 October 19551956: 27 April 1956 to 6 October 19561957: 19 April 1957 to 22 September 19571958: 13 May 1958 to 26 September 19581959: 2 May 1959 to 6 October 19591960: 24 April 1960 to 3 October 19601961: 1 June 1961 to 29 September 19611962: 1 May 1962 to 14 October 19621964: 12 May 1964 to 24 September 19641965: 24 April 1965 to 24 September 19651966: 21 April 1966 to 14 September 19661968: 25 May 1968 to 2 October 19681969: 6 April 1969 to 19 September 19691970: 30 April 1970 to 4 October 19701971: 21 April 1971 to 5 October 19711972: 16 April 1972 to 24 September 19721973: 26 May 1973 to 11 October 19731974: 28 April 1974 to 13 September 19741975: 27 April 1975 to 16 October 19751976: 21 April 1976 to 26 September 19761977: 13 April 1977 to 24 September 19771979: 11 May 1979 to 13 September 19791980: 23 April 1980 to 11 October 19801981: 15 April 1981 to 2 October 19811983: 13 June 1983 to 4 October 19831987: 21 April 1987 to 30 August 19871988: 14 May 1988 to 27 September 19881989: 28 March 1989 to 15 September 19891990: 2 May 1990 to 8 October 19901991: 16 May 1991 to 19 September 19911992: 19 May 1992 to 22 September 19921993: 7 May 1993 to 26 September 19931994: 21 April 1994 to 2 October 19941995: 11 April 1995 to 16 September 19951996: 5 May 1996 to 13 September 19961997: 14 June 1997 to 11 October 19971998: 14 May 1998 to 6 October 19981999: 4 April 1999 to 27 September 19992000: 12 May 2000 to 26 October 20002001: 11 April 2001 to 24 September 20012002: 18 April 2002 to 7 October 20022003: 11 May 2003 to 4 November 20032004: 7 May 2004 to 28 October 20042005: 11 May 2005 to 10 November 20052006: 15 April 2006 to 6 October 20062007: 26 March 2007 to 15 October 20072008: 24 April 2008 to 1 October 20082009: 25 April 2009 to 26 September 20092010: 6 April 2010 to 12 October 20102011: 10 April 2011 to 22 September 20112012: 1 May 2012 to 29 September 20122013: 18 April 2013 to 5 October 20132014: 5 May 2014 to 10 October 20142015: 8 May 2015 to 8 October 20152016: 16 March 2016 to 2 November 20162017: 30 April 2017 to 14 October 20172018: 8 May 2018 to 9 October 20182019: 9 May 2019 to 6 October 20192020: 25 May 2020 to 15 September 20202021: 23 May 2021 to 30 September 20212022: 3 May 2022 to 23 September 20222023: 5 April 2023 to 29 October 20232024: 17 April 2024 to 27 October 20242025: 3 April 2025 to 16 October 20252026: 18 April 2026 to 15 October 202618941911193419511968198820032018JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Scottsboro meeting 30 C (86 F).
First to last qualifying date each year at Scottsboro
YearFirst dateLast date
18941894-04-171894-10-02
18951895-03-281895-10-07
18961896-04-131896-09-21
18971897-04-261897-10-17
18981898-05-011898-10-07
18991899-04-271899-10-22
19011901-04-301901-09-14
19021902-04-301902-11-25
19041904-05-221904-10-20
19051905-04-281905-09-28
19061906-04-121906-09-25
19071907-03-181907-09-25
19081908-03-181908-09-14
19091909-04-181909-10-05
19101910-03-241910-10-12
19111911-05-111911-10-15
19121912-05-221912-10-10
19131913-05-041913-10-10
19141914-04-171914-09-22
19151915-04-191915-09-28
19161916-05-061916-10-16
19171917-04-181917-09-09
19191919-04-061919-10-01
19201920-04-171920-09-16
19231923-06-101923-10-30
19261926-05-011926-10-19
19271927-04-051927-10-25
19281928-05-041928-10-15
19321932-05-061932-09-18
19331933-05-051933-10-01
19341934-04-031934-09-29
19371937-04-181937-09-08
19381938-05-021938-10-06
19391939-05-111939-10-24
19401940-05-061940-09-23
19411941-05-161941-10-22
19421942-04-251942-10-02
19431943-04-271943-10-03
19441944-05-111944-10-31
19451945-04-031945-09-30
19461946-04-201946-10-10
19471947-05-041947-10-21
19481948-04-121948-09-23
19491949-05-031949-10-12
19501950-05-051950-10-16
19511951-04-271951-10-06
19521952-04-221952-10-01
19531953-05-011953-10-23
19541954-04-261954-10-14
19551955-04-161955-10-06
19561956-04-271956-10-06
19571957-04-191957-09-22
19581958-05-131958-09-26
19591959-05-021959-10-06
19601960-04-241960-10-03
19611961-06-011961-09-29
19621962-05-011962-10-14
19641964-05-121964-09-24
19651965-04-241965-09-24
19661966-04-211966-09-14
19681968-05-251968-10-02
19691969-04-061969-09-19
19701970-04-301970-10-04
19711971-04-211971-10-05
19721972-04-161972-09-24
19731973-05-261973-10-11
19741974-04-281974-09-13
19751975-04-271975-10-16
19761976-04-211976-09-26
19771977-04-131977-09-24
19791979-05-111979-09-13
19801980-04-231980-10-11
19811981-04-151981-10-02
19831983-06-131983-10-04
19871987-04-211987-08-30
19881988-05-141988-09-27
19891989-03-281989-09-15
19901990-05-021990-10-08
19911991-05-161991-09-19
19921992-05-191992-09-22
19931993-05-071993-09-26
19941994-04-211994-10-02
19951995-04-111995-09-16
19961996-05-051996-09-13
19971997-06-141997-10-11
19981998-05-141998-10-06
19991999-04-041999-09-27
20002000-05-122000-10-26
20012001-04-112001-09-24
20022002-04-182002-10-07
20032003-05-112003-11-04
20042004-05-072004-10-28
20052005-05-112005-11-10
20062006-04-152006-10-06
20072007-03-262007-10-15
20082008-04-242008-10-01
20092009-04-252009-09-26
20102010-04-062010-10-12
20112011-04-102011-09-22
20122012-05-012012-09-29
20132013-04-182013-10-05
20142014-05-052014-10-10
20152015-05-082015-10-08
20162016-03-162016-11-02
20172017-04-302017-10-14
20182018-05-082018-10-09
20192019-05-092019-10-06
20202020-05-252020-09-15
20212021-05-232021-09-30
20222022-05-032022-09-23
20232023-04-052023-10-29
20242024-04-172024-10-27
20252025-04-032025-10-16
20262026-04-182026-10-15

Every Fixed Threshold

Fixed thresholds at Scottsboro
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1141382016116
35 C (95 F): Days10772195424
40 C (104 F): Days8519522
90 F (32.2 C): Days114111195477
100 F (37.8 C): Days452819542
0 C (32 F): Ice days (max891118982
0 C (32 F): Frost days (min110116196844
-10 C (14 F): Days with min892319772
-20 C (-4 F): Days with min4319401
20 C (68 F): Tropical nights (min11076199177
25 C (77 F): Days with min9118941
10 mm (0.39 in): Days with 10 mm or more rain10665194641
25 mm (0.98 in): Days with 25 mm or more rain10631198918
50 mm (1.97 in): Days with 50 mm or more rain1031120205
100 mm (3.94 in): Days with 100 mm or more rain31320201
10 cm (3.9 in): Days with 10 cm or more snowfall8119401
25 cm (9.8 in): Days with 25 cm or more snowfall2119581

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

Download the Data

  • Data for Scottsboro 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).