Built 2026-10-19 (19 October 2026)

Wilmington Porter Rsch Threshold Days by Year (USC00079605)

18 fixed thresholds counted per year at Wilmington Porter Rsch (USC00079605): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wilmington Porter Rsch Thresholds

  • Wilmington Porter Rsch: days with a maximum temperature at or above 30 C (86 F) in 95 years, most in 2010 with 76.
  • Wilmington Porter Rsch: days with a maximum temperature at or above 90 F (32.2 C) in 95 years, most in 1988 with 41.
  • Wilmington Porter Rsch: days with a maximum temperature at or below 0 C (32 F) in 95 years, most in 1978 with 37.
  • Wilmington Porter Rsch: nights with a minimum temperature at or below 0 C (32 F) in 93 years, most in 1976 with 122.
  • 18 fixed thresholds have at least one qualifying day at Wilmington Porter Rsch.
95 years with a qualifying day
Days at or above 30 C (86 F) per year at Wilmington Porter Rsch Days per year at Wilmington Porter Rsch with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 76 in 2010. 0204060801932: 491933: 491934: 411935: 341936: 531937: 501938: 481939: 581940: 331941: 711942: 421943: 681944: 621945: 411946: 281947: 341948: 291949: 411950: 211951: 341952: 441953: 481954: 351955: 471956: 341957: 521958: 251959: 531960: 201961: 371962: 211963: 271964: 431965: 371966: 491967: 181968: 431969: 361970: 391971: 371972: 291973: 401974: 241975: 271976: 311977: 371978: 271979: 231980: 561981: 241982: 311983: 621984: 411985: 331986: 421987: 531988: 561989: 271990: 401991: 591992: 191993: 491994: 411995: 501996: 261997: 381998: 561999: 492000: 312001: 352002: 552003: 272004: 182005: 462006: 442007: 472008: 422009: 212010: 762011: 412012: 512013: 442014: 342015: 592016: 542017: 292018: 372019: 472020: 452021: 482022: 492023: 292024: 362025: 352026: 221932194219521962197219821992200220122022
Days per year at Wilmington Porter Rsch with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 76 in 2010.
Days at or above 30 C (86 F) per year at Wilmington Porter Rsch
YearDaysDecade average
19324947.8
19334947.8
19344147.8
19353447.8
19365347.8
19375047.8
19384847.8
19395847.8
19403344.9
19417144.9
19424244.9
19436844.9
19446244.9
19454144.9
19462844.9
19473444.9
19482944.9
19494144.9
19502139.3
19513439.3
19524439.3
19534839.3
19543539.3
19554739.3
19563439.3
19575239.3
19582539.3
19595339.3
19602033.1
19613733.1
19622133.1
19632733.1
19644333.1
19653733.1
19664933.1
19671833.1
19684333.1
19693633.1
19703931.4
19713731.4
19722931.4
19734031.4
19742431.4
19752731.4
19763131.4
19773731.4
19782731.4
19792331.4
19805642.5
19812442.5
19823142.5
19836242.5
19844142.5
19853342.5
19864242.5
19875342.5
19885642.5
19892742.5
19904042.7
19915942.7
19921942.7
19934942.7
19944142.7
19955042.7
19962642.7
19973842.7
19985642.7
19994942.7
20003136.6
20013536.6
20025536.6
20032736.6
20041836.6
20054636.6
20064436.6
20074736.6
20084236.6
20092136.6
20107647.2
20114147.2
20125147.2
20134447.2
20143447.2
20155947.2
20165447.2
20172947.2
20183747.2
20194747.2
20204537.7
20214837.7
20224937.7
20232937.7
20243637.7
20253537.7
20262237.7
First to last qualifying date each year at Wilmington Porter Rsch For each year, a bar from the first to the last day at Wilmington Porter Rsch meeting 30 C (86 F). 1932: 5 June 1932 to 23 September 19321933: 20 May 1933 to 27 September 19331934: 6 May 1934 to 24 August 19341935: 14 June 1935 to 17 August 19351936: 8 May 1936 to 13 September 19361937: 22 May 1937 to 5 September 19371938: 7 June 1938 to 15 September 19381939: 7 May 1939 to 10 October 19391940: 14 May 1940 to 22 September 19401941: 14 April 1941 to 8 October 19411942: 30 April 1942 to 18 September 19421943: 7 May 1943 to 16 September 19431944: 22 May 1944 to 5 September 19441945: 11 June 1945 to 30 September 19451946: 8 June 1946 to 7 October 19461947: 29 May 1947 to 23 October 19471948: 3 June 1948 to 13 September 19481949: 6 May 1949 to 5 September 19491950: 7 June 1950 to 1 September 19501951: 16 May 1951 to 5 October 19511952: 6 June 1952 to 13 September 19521953: 11 May 1953 to 30 September 19531954: 11 June 1954 to 12 October 19541955: 24 May 1955 to 22 August 19551956: 13 May 1956 to 14 September 19561957: 27 April 1957 to 22 September 19571958: 9 June 1958 to 26 September 19581959: 7 May 1959 to 6 October 19591960: 23 April 1960 to 1 September 19601961: 2 June 1961 to 24 September 19611962: 18 May 1962 to 1 September 19621963: 9 May 1963 to 12 September 19631964: 8 May 1964 to 11 September 19641965: 4 May 1965 to 23 September 19651966: 6 May 1966 to 3 September 19661967: 10 June 1967 to 18 August 19671968: 6 June 1968 to 25 September 19681969: 17 May 1969 to 17 September 19691970: 10 May 1970 to 26 September 19701971: 19 May 1971 to 9 September 19711972: 4 June 1972 to 17 September 19721973: 4 June 1973 to 5 September 19731974: 29 April 1974 to 13 September 19741975: 21 May 1975 to 26 August 19751976: 17 April 1976 to 14 September 19761977: 6 May 1977 to 19 September 19771978: 20 May 1978 to 29 August 19781979: 9 May 1979 to 5 September 19791980: 23 May 1980 to 22 September 19801981: 15 June 1981 to 14 September 19811982: 27 May 1982 to 16 August 19821983: 11 June 1983 to 20 September 19831984: 22 May 1984 to 25 September 19841985: 21 April 1985 to 10 September 19851986: 6 May 1986 to 30 September 19861987: 10 May 1987 to 18 August 19871988: 29 May 1988 to 28 August 19881989: 1 June 1989 to 21 September 19891990: 26 April 1990 to 11 September 19901991: 12 May 1991 to 17 September 19911992: 22 May 1992 to 27 August 19921993: 9 June 1993 to 15 September 19931994: 23 May 1994 to 14 September 19941995: 7 June 1995 to 14 September 19951996: 19 May 1996 to 9 September 19961997: 19 May 1997 to 6 October 19971998: 30 March 1998 to 28 September 19981999: 29 May 1999 to 29 August 19992000: 6 May 2000 to 1 September 20002001: 23 April 2001 to 28 August 20012002: 16 April 2002 to 10 September 20022003: 14 June 2003 to 30 August 20032004: 23 May 2004 to 28 August 20042005: 6 June 2005 to 23 September 20052006: 29 May 2006 to 25 August 20062007: 25 May 2007 to 8 October 20072008: 7 June 2008 to 14 September 20082009: 25 April 2009 to 21 August 20092010: 7 April 2010 to 25 September 20102011: 26 May 2011 to 17 August 20112012: 27 May 2012 to 7 September 20122013: 10 April 2013 to 12 September 20132014: 27 May 2014 to 6 September 20142015: 12 May 2015 to 9 September 20152016: 25 May 2016 to 18 September 20162017: 17 May 2017 to 27 September 20172018: 3 May 2018 to 6 September 20182019: 20 May 2019 to 2 October 20192020: 4 June 2020 to 28 August 20202021: 22 May 2021 to 15 September 20212022: 21 May 2022 to 6 September 20222023: 2 June 2023 to 8 September 20232024: 29 April 2024 to 28 August 20242025: 12 June 2025 to 6 September 20252026: 15 April 2026 to 22 July 202619321944195619681980199220042016JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Wilmington Porter Rsch meeting 30 C (86 F).
First to last qualifying date each year at Wilmington Porter Rsch
YearFirst dateLast date
19321932-06-051932-09-23
19331933-05-201933-09-27
19341934-05-061934-08-24
19351935-06-141935-08-17
19361936-05-081936-09-13
19371937-05-221937-09-05
19381938-06-071938-09-15
19391939-05-071939-10-10
19401940-05-141940-09-22
19411941-04-141941-10-08
19421942-04-301942-09-18
19431943-05-071943-09-16
19441944-05-221944-09-05
19451945-06-111945-09-30
19461946-06-081946-10-07
19471947-05-291947-10-23
19481948-06-031948-09-13
19491949-05-061949-09-05
19501950-06-071950-09-01
19511951-05-161951-10-05
19521952-06-061952-09-13
19531953-05-111953-09-30
19541954-06-111954-10-12
19551955-05-241955-08-22
19561956-05-131956-09-14
19571957-04-271957-09-22
19581958-06-091958-09-26
19591959-05-071959-10-06
19601960-04-231960-09-01
19611961-06-021961-09-24
19621962-05-181962-09-01
19631963-05-091963-09-12
19641964-05-081964-09-11
19651965-05-041965-09-23
19661966-05-061966-09-03
19671967-06-101967-08-18
19681968-06-061968-09-25
19691969-05-171969-09-17
19701970-05-101970-09-26
19711971-05-191971-09-09
19721972-06-041972-09-17
19731973-06-041973-09-05
19741974-04-291974-09-13
19751975-05-211975-08-26
19761976-04-171976-09-14
19771977-05-061977-09-19
19781978-05-201978-08-29
19791979-05-091979-09-05
19801980-05-231980-09-22
19811981-06-151981-09-14
19821982-05-271982-08-16
19831983-06-111983-09-20
19841984-05-221984-09-25
19851985-04-211985-09-10
19861986-05-061986-09-30
19871987-05-101987-08-18
19881988-05-291988-08-28
19891989-06-011989-09-21
19901990-04-261990-09-11
19911991-05-121991-09-17
19921992-05-221992-08-27
19931993-06-091993-09-15
19941994-05-231994-09-14
19951995-06-071995-09-14
19961996-05-191996-09-09
19971997-05-191997-10-06
19981998-03-301998-09-28
19991999-05-291999-08-29
20002000-05-062000-09-01
20012001-04-232001-08-28
20022002-04-162002-09-10
20032003-06-142003-08-30
20042004-05-232004-08-28
20052005-06-062005-09-23
20062006-05-292006-08-25
20072007-05-252007-10-08
20082008-06-072008-09-14
20092009-04-252009-08-21
20102010-04-072010-09-25
20112011-05-262011-08-17
20122012-05-272012-09-07
20132013-04-102013-09-12
20142014-05-272014-09-06
20152015-05-122015-09-09
20162016-05-252016-09-18
20172017-05-172017-09-27
20182018-05-032018-09-06
20192019-05-202019-10-02
20202020-06-042020-08-28
20212021-05-222021-09-15
20222022-05-212022-09-06
20232023-06-022023-09-08
20242024-04-292024-08-28
20252025-06-122025-09-06
20262026-04-152026-07-22

Every Fixed Threshold

Fixed thresholds at Wilmington Porter Rsch
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days9576201022
35 C (95 F): Days641319883
90 F (32.2 C): Days9541198811
100 F (37.8 C): Days10319363
0 C (32 F): Ice days (max9537197810
0 C (32 F): Frost days (min93122197638
-10 C (14 F): Days with min9031197711
-20 C (-4 F): Days with min7219341
20 C (68 F): Tropical nights (min9366200517
25 C (77 F): Days with min36519881
10 mm (0.39 in): Days with 10 mm or more rain8554199616
25 mm (0.98 in): Days with 25 mm or more rain852619964
50 mm (1.97 in): Days with 50 mm or more rain78920202
100 mm (3.94 in): Days with 100 mm or more rain15319711
200 mm (7.87 in): Days with 200 mm or more rain1119991
10 cm (3.9 in): Days with 10 cm or more snowfall48620033
25 cm (9.8 in): Days with 25 cm or more snowfall8119581
50 cm (19.7 in): Days with 50 cm or more snowfall1119961

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1932.

Download the Data

  • Data for Wilmington Porter Rsch 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).