Built 2026-10-19 (19 October 2026)

Center 4SE Threshold Days by Year (USC00321456)

19 fixed thresholds counted per year at Center 4SE (USC00321456): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Center 4SE Thresholds

  • Center 4SE: days with a maximum temperature at or above 30 C (86 F) in 73 years, most in 1961 with 63.
  • Center 4SE: days with a maximum temperature at or above 90 F (32.2 C) in 73 years, most in 1961 with 46.
  • Center 4SE: days with a maximum temperature at or below 0 C (32 F) in 73 years, most in 1951 with 108.
  • Center 4SE: days with a maximum temperature at or above 35 C (95 F) in 69 years, most in 1961 with 25.
  • 19 fixed thresholds have at least one qualifying day at Center 4SE.
73 years with a qualifying day
Days at or above 30 C (86 F) per year at Center 4SE Days per year at Center 4SE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 63 in 1961. 0204060801939: 491940: 481942: 161943: 311944: 281945: 241946: 271947: 301948: 421949: 451950: 301951: 211952: 371953: 271954: 261955: 421956: 241957: 371958: 401959: 491960: 451961: 631962: 191963: 361964: 371965: 181966: 421967: 381968: 281969: 411970: 521971: 251972: 311973: 311974: 361975: 241976: 481977: 241978: 361979: 271980: 391981: 331983: 491984: 331985: 241986: 191987: 201988: 521990: 341991: 371992: 261993: 101994: 251995: 341996: 281997: 431998: 381999: 222000: 272001: 422002: 402003: 452004: 222005: 392006: 522007: 442009: 212010: 252012: 322019: 142020: 332021: 562022: 351939194819561964197219801990199820062022
Days per year at Center 4SE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 63 in 1961.
Days at or above 30 C (86 F) per year at Center 4SE
YearDaysDecade average
19394949
19404832.3
19421632.3
19433132.3
19442832.3
19452432.3
19462732.3
19473032.3
19484232.3
19494532.3
19503033.3
19512133.3
19523733.3
19532733.3
19542633.3
19554233.3
19562433.3
19573733.3
19584033.3
19594933.3
19604536.7
19616336.7
19621936.7
19633636.7
19643736.7
19651836.7
19664236.7
19673836.7
19682836.7
19694136.7
19705233.4
19712533.4
19723133.4
19733133.4
19743633.4
19752433.4
19764833.4
19772433.4
19783633.4
19792733.4
19803933.6
19813333.6
19834933.6
19843333.6
19852433.6
19861933.6
19872033.6
19885233.6
19903429.7
19913729.7
19922629.7
19931029.7
19942529.7
19953429.7
19962829.7
19974329.7
19983829.7
19992229.7
20002736.9
20014236.9
20024036.9
20034536.9
20042236.9
20053936.9
20065236.9
20074436.9
20092136.9
20102523.7
20123223.7
20191423.7
20203341.3
20215641.3
20223541.3
First to last qualifying date each year at Center 4SE For each year, a bar from the first to the last day at Center 4SE meeting 30 C (86 F). 1939: 30 April 1939 to 11 September 19391940: 11 May 1940 to 18 September 19401942: 22 April 1942 to 10 October 19421943: 18 June 1943 to 11 October 19431944: 29 May 1944 to 8 September 19441945: 21 June 1945 to 16 October 19451946: 10 June 1946 to 4 September 19461947: 8 July 1947 to 5 October 19471948: 18 May 1948 to 18 September 19481949: 29 April 1949 to 24 September 19491950: 5 June 1950 to 7 September 19501951: 14 May 1951 to 22 August 19511952: 26 April 1952 to 27 September 19521953: 11 June 1953 to 15 October 19531954: 20 May 1954 to 31 August 19541955: 2 May 1955 to 9 October 19551956: 21 May 1956 to 26 September 19561957: 5 June 1957 to 2 October 19571958: 9 May 1958 to 13 October 19581959: 3 June 1959 to 13 September 19591960: 13 May 1960 to 4 October 19601961: 28 May 1961 to 18 September 19611962: 24 April 1962 to 7 September 19621963: 30 May 1963 to 5 October 19631964: 20 May 1964 to 17 September 19641965: 13 May 1965 to 22 August 19651966: 4 May 1966 to 7 October 19661967: 22 May 1967 to 22 September 19671968: 30 April 1968 to 14 September 19681969: 14 May 1969 to 29 September 19691970: 17 May 1970 to 5 October 19701971: 2 July 1971 to 2 September 19711972: 16 May 1972 to 19 September 19721973: 1 June 1973 to 31 August 19731974: 3 June 1974 to 24 August 19741975: 16 May 1975 to 28 August 19751976: 2 June 1976 to 30 September 19761977: 9 April 1977 to 24 August 19771978: 9 June 1978 to 10 September 19781979: 16 May 1979 to 26 September 19791980: 18 April 1980 to 6 October 19801981: 27 June 1981 to 12 September 19811983: 27 May 1983 to 28 September 19831984: 17 May 1984 to 19 September 19841985: 4 May 1985 to 9 August 19851986: 5 May 1986 to 25 August 19861987: 19 April 1987 to 21 August 19871988: 29 May 1988 to 31 August 19881990: 22 April 1990 to 26 September 19901991: 11 June 1991 to 7 September 19911992: 30 April 1992 to 1 October 19921993: 13 May 1993 to 11 September 19931994: 17 May 1994 to 9 September 19941995: 13 June 1995 to 4 September 19951996: 7 June 1996 to 5 October 19961997: 17 May 1997 to 2 October 19971998: 17 May 1998 to 17 September 19981999: 28 May 1999 to 31 August 19992000: 7 June 2000 to 17 September 20002001: 28 April 2001 to 5 September 20012002: 28 May 2002 to 17 September 20022003: 30 May 2003 to 8 September 20032004: 6 June 2004 to 19 September 20042005: 18 June 2005 to 1 October 20052006: 18 May 2006 to 14 September 20062007: 18 May 2007 to 29 September 20072009: 20 June 2009 to 18 September 20092010: 30 June 2010 to 28 September 20102012: 24 April 2012 to 15 September 20122019: 3 June 2019 to 19 August 20192020: 2 June 2020 to 22 September 20202021: 3 June 2021 to 5 October 20212022: 17 June 2022 to 19 September 202219391950196019701980199220022020JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Center 4SE meeting 30 C (86 F).
First to last qualifying date each year at Center 4SE
YearFirst dateLast date
19391939-04-301939-09-11
19401940-05-111940-09-18
19421942-04-221942-10-10
19431943-06-181943-10-11
19441944-05-291944-09-08
19451945-06-211945-10-16
19461946-06-101946-09-04
19471947-07-081947-10-05
19481948-05-181948-09-18
19491949-04-291949-09-24
19501950-06-051950-09-07
19511951-05-141951-08-22
19521952-04-261952-09-27
19531953-06-111953-10-15
19541954-05-201954-08-31
19551955-05-021955-10-09
19561956-05-211956-09-26
19571957-06-051957-10-02
19581958-05-091958-10-13
19591959-06-031959-09-13
19601960-05-131960-10-04
19611961-05-281961-09-18
19621962-04-241962-09-07
19631963-05-301963-10-05
19641964-05-201964-09-17
19651965-05-131965-08-22
19661966-05-041966-10-07
19671967-05-221967-09-22
19681968-04-301968-09-14
19691969-05-141969-09-29
19701970-05-171970-10-05
19711971-07-021971-09-02
19721972-05-161972-09-19
19731973-06-011973-08-31
19741974-06-031974-08-24
19751975-05-161975-08-28
19761976-06-021976-09-30
19771977-04-091977-08-24
19781978-06-091978-09-10
19791979-05-161979-09-26
19801980-04-181980-10-06
19811981-06-271981-09-12
19831983-05-271983-09-28
19841984-05-171984-09-19
19851985-05-041985-08-09
19861986-05-051986-08-25
19871987-04-191987-08-21
19881988-05-291988-08-31
19901990-04-221990-09-26
19911991-06-111991-09-07
19921992-04-301992-10-01
19931993-05-131993-09-11
19941994-05-171994-09-09
19951995-06-131995-09-04
19961996-06-071996-10-05
19971997-05-171997-10-02
19981998-05-171998-09-17
19991999-05-281999-08-31
20002000-06-072000-09-17
20012001-04-282001-09-05
20022002-05-282002-09-17
20032003-05-302003-09-08
20042004-06-062004-09-19
20052005-06-182005-10-01
20062006-05-182006-09-14
20072007-05-182007-09-29
20092009-06-202009-09-18
20102010-06-302010-09-28
20122012-04-242012-09-15
20192019-06-032019-08-19
20202020-06-022020-09-22
20212021-06-032021-10-05
20222022-06-172022-09-19

Every Fixed Threshold

Fixed thresholds at Center 4SE
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days7363196135
35 C (95 F): Days692519618
40 C (104 F): Days16219581
90 F (32.2 C): Days7346196120
100 F (37.8 C): Days43919882
0 C (32 F): Ice days (max731081951100
0 C (32 F): Frost days (min692151945187
-10 C (14 F): Days with min691271950104
-20 C (-4 F): Days with min6965194937
-30 C (-22 F): Days with min622219963
-40 C (-40 F): Days with min3119391
20 C (68 F): Tropical nights (min39919917
25 C (77 F): Days with min1119911
10 mm (0.39 in): Days with 10 mm or more rain602219937
25 mm (0.98 in): Days with 25 mm or more rain57820071
50 mm (1.97 in): Days with 50 mm or more rain15319601
100 mm (3.94 in): Days with 100 mm or more rain1119691
10 cm (3.9 in): Days with 10 cm or more snowfall43819504
25 cm (9.8 in): Days with 25 cm or more snowfall7220222

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.

Download the Data

  • Data for Center 4SE 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).