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Built 2026-10-19 (19 October 2026)

Hartwood Threshold Days by Year (ASN00010603)

4 fixed thresholds counted per year at Hartwood (ASN00010603): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hartwood Thresholds

  • Hartwood: days with 10 mm (0.39 in) or more of precipitation in 106 years, most in 2022 with 17.
  • Hartwood: days with 25 mm (0.98 in) or more of precipitation in 80 years, most in 1934 with 4.
  • Hartwood: days with 50 mm (1.97 in) or more of precipitation in 16 years, most in 1918 with 1.
  • Hartwood: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1990 with 1.
  • 4 fixed thresholds have at least one qualifying day at Hartwood.
106 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Hartwood Days per year at Hartwood with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 2022. 051015201914: 61915: 111916: 121918: 121919: 91920: 101921: 101922: 61923: 111924: 51925: 51926: 111927: 91928: 51929: 111930: 131931: 91932: 151933: 91934: 101935: 121936: 41937: 81938: 51939: 121940: 61941: 51942: 161943: 61944: 61945: 111946: 141947: 121948: 81949: 71950: 61952: 131953: 111954: 81955: 111956: 51957: 51958: 151959: 81960: 91961: 81962: 41963: 131964: 141965: 111966: 91967: 51968: 131969: 51970: 81971: 81972: 41973: 121974: 121975: 91976: 91977: 51978: 141981: 81983: 131984: 61985: 91986: 91987: 81988: 91989: 101990: 81991: 81992: 101993: 91994: 81995: 81996: 91997: 81998: 72000: 32001: 52002: 32003: 62004: 52005: 102006: 92007: 52008: 42009: 42010: 22011: 112012: 92013: 102014: 82015: 102016: 112017: 122018: 72019: 52020: 82021: 142022: 172023: 92024: 102025: 111914192619371948196019711985199620082019
Days per year at Hartwood with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 2022.
Days with 10 mm (0.39 in) or more of precipitation per year at Hartwood
YearDaysDecade average
1914610
19151110
19161210
19181210
1919910
1920108.3
1921108.3
192268.3
1923118.3
192458.3
192558.3
1926118.3
192798.3
192858.3
1929118.3
1930139.7
193199.7
1932159.7
193399.7
1934109.7
1935129.7
193649.7
193789.7
193859.7
1939129.7
194069.1
194159.1
1942169.1
194369.1
194469.1
1945119.1
1946149.1
1947129.1
194889.1
194979.1
195069.1
1952139.1
1953119.1
195489.1
1955119.1
195659.1
195759.1
1958159.1
195989.1
196099.1
196189.1
196249.1
1963139.1
1964149.1
1965119.1
196699.1
196759.1
1968139.1
196959.1
197089
197189
197249
1973129
1974129
197599
197699
197759
1978149
198189
1983139
198469
198599
198699
198789
198899
1989109
199088.3
199188.3
1992108.3
199398.3
199488.3
199588.3
199698.3
199788.3
199878.3
200035.4
200155.4
200235.4
200365.4
200455.4
2005105.4
200695.4
200755.4
200845.4
200945.4
201028.5
2011118.5
201298.5
2013108.5
201488.5
2015108.5
2016118.5
2017128.5
201878.5
201958.5
2020811.5
20211411.5
20221711.5
2023911.5
20241011.5
20251111.5
First to last qualifying date each year at Hartwood For each year, a bar from the first to the last day at Hartwood meeting 10 mm (0.39 in). 1914: 26 August 1914 to 30 December 19141915: 4 January 1915 to 10 October 19151916: 21 January 1916 to 5 October 19161918: 5 February 1918 to 30 November 19181919: 17 April 1919 to 5 November 19191920: 13 March 1920 to 25 October 19201921: 22 March 1921 to 20 December 19211922: 24 February 1922 to 16 December 19221923: 20 January 1923 to 16 December 19231924: 12 February 1924 to 27 October 19241925: 24 January 1925 to 19 June 19251926: 10 March 1926 to 27 August 19261927: 13 March 1927 to 8 October 19271928: 29 June 1928 to 21 October 19281929: 17 March 1929 to 15 November 19291930: 11 March 1930 to 13 December 19301931: 4 May 1931 to 28 December 19311932: 6 April 1932 to 22 October 19321933: 7 March 1933 to 2 December 19331934: 7 March 1934 to 4 November 19341935: 6 January 1935 to 21 October 19351936: 15 April 1936 to 24 August 19361937: 5 March 1937 to 2 November 19371938: 15 March 1938 to 22 July 19381939: 14 February 1939 to 1 November 19391940: 23 January 1940 to 3 December 19401941: 4 May 1941 to 12 September 19411942: 14 March 1942 to 19 December 19421943: 13 January 1943 to 12 July 19431944: 4 April 1944 to 28 August 19441945: 19 March 1945 to 23 August 19451946: 29 April 1946 to 18 November 19461947: 6 March 1947 to 19 November 19471948: 22 March 1948 to 28 September 19481949: 4 June 1949 to 1 September 19491950: 6 May 1950 to 10 October 19501952: 13 February 1952 to 18 December 19521953: 25 March 1953 to 30 August 19531954: 23 May 1954 to 19 August 19541955: 6 February 1955 to 25 September 19551956: 9 June 1956 to 29 November 19561957: 21 January 1957 to 19 June 19571958: 23 May 1958 to 29 December 19581959: 6 February 1959 to 22 November 19591960: 1 January 1960 to 24 July 19601961: 3 February 1961 to 30 September 19611962: 13 May 1962 to 22 June 19621963: 20 February 1963 to 19 September 19631964: 2 January 1964 to 15 November 19641965: 16 March 1965 to 29 November 19651966: 2 January 1966 to 9 October 19661967: 9 May 1967 to 27 July 19671968: 27 January 1968 to 17 August 19681969: 20 March 1969 to 27 September 19691970: 17 February 1970 to 25 September 19701971: 6 February 1971 to 11 November 19711972: 2 March 1972 to 27 July 19721973: 7 January 1973 to 15 November 19731974: 4 March 1974 to 18 November 19741975: 2 April 1975 to 10 December 19751976: 7 January 1976 to 4 September 19761977: 16 May 1977 to 30 October 19771978: 5 January 1978 to 20 December 19781981: 16 February 1981 to 1 October 19811983: 4 February 1983 to 31 December 19831984: 4 March 1984 to 4 July 19841985: 26 May 1985 to 21 November 19851986: 22 February 1986 to 9 November 19861987: 26 April 1987 to 24 December 19871988: 24 March 1988 to 30 September 19881989: 23 April 1989 to 30 August 19891990: 28 January 1990 to 21 July 19901991: 10 April 1991 to 25 December 19911992: 11 January 1992 to 7 October 19921993: 20 March 1993 to 16 August 19931994: 23 May 1994 to 11 September 19941995: 10 May 1995 to 29 December 19951996: 20 April 1996 to 15 November 19961997: 24 February 1997 to 6 September 19971998: 11 March 1998 to 29 August 19982000: 11 January 2000 to 11 July 20002001: 21 January 2001 to 1 December 20012002: 16 April 2002 to 22 June 20022003: 17 February 2003 to 11 August 20032004: 18 February 2004 to 28 December 20042005: 28 March 2005 to 18 August 20052006: 13 January 2006 to 18 December 20062007: 3 January 2007 to 17 December 20072008: 8 February 2008 to 26 September 20082009: 28 January 2009 to 13 November 20092010: 22 March 2010 to 13 August 20102011: 6 January 2011 to 7 December 20112012: 3 February 2012 to 12 December 20122013: 14 January 2013 to 21 October 20132014: 27 April 2014 to 28 November 20142015: 2 March 2015 to 6 December 20152016: 19 January 2016 to 13 December 20162017: 30 January 2017 to 22 October 20172018: 16 January 2018 to 9 August 20182019: 23 June 2019 to 14 August 20192020: 7 February 2020 to 7 September 20202021: 4 March 2021 to 27 October 20212022: 27 March 2022 to 24 October 20222023: 26 March 2023 to 15 November 20232024: 12 January 2024 to 9 December 20242025: 14 March 2025 to 20 November 202519141929194319581972198920042018JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hartwood meeting 10 mm (0.39 in).
First to last qualifying date each year at Hartwood
YearFirst dateLast date
19141914-08-261914-12-30
19151915-01-041915-10-10
19161916-01-211916-10-05
19181918-02-051918-11-30
19191919-04-171919-11-05
19201920-03-131920-10-25
19211921-03-221921-12-20
19221922-02-241922-12-16
19231923-01-201923-12-16
19241924-02-121924-10-27
19251925-01-241925-06-19
19261926-03-101926-08-27
19271927-03-131927-10-08
19281928-06-291928-10-21
19291929-03-171929-11-15
19301930-03-111930-12-13
19311931-05-041931-12-28
19321932-04-061932-10-22
19331933-03-071933-12-02
19341934-03-071934-11-04
19351935-01-061935-10-21
19361936-04-151936-08-24
19371937-03-051937-11-02
19381938-03-151938-07-22
19391939-02-141939-11-01
19401940-01-231940-12-03
19411941-05-041941-09-12
19421942-03-141942-12-19
19431943-01-131943-07-12
19441944-04-041944-08-28
19451945-03-191945-08-23
19461946-04-291946-11-18
19471947-03-061947-11-19
19481948-03-221948-09-28
19491949-06-041949-09-01
19501950-05-061950-10-10
19521952-02-131952-12-18
19531953-03-251953-08-30
19541954-05-231954-08-19
19551955-02-061955-09-25
19561956-06-091956-11-29
19571957-01-211957-06-19
19581958-05-231958-12-29
19591959-02-061959-11-22
19601960-01-011960-07-24
19611961-02-031961-09-30
19621962-05-131962-06-22
19631963-02-201963-09-19
19641964-01-021964-11-15
19651965-03-161965-11-29
19661966-01-021966-10-09
19671967-05-091967-07-27
19681968-01-271968-08-17
19691969-03-201969-09-27
19701970-02-171970-09-25
19711971-02-061971-11-11
19721972-03-021972-07-27
19731973-01-071973-11-15
19741974-03-041974-11-18
19751975-04-021975-12-10
19761976-01-071976-09-04
19771977-05-161977-10-30
19781978-01-051978-12-20
19811981-02-161981-10-01
19831983-02-041983-12-31
19841984-03-041984-07-04
19851985-05-261985-11-21
19861986-02-221986-11-09
19871987-04-261987-12-24
19881988-03-241988-09-30
19891989-04-231989-08-30
19901990-01-281990-07-21
19911991-04-101991-12-25
19921992-01-111992-10-07
19931993-03-201993-08-16
19941994-05-231994-09-11
19951995-05-101995-12-29
19961996-04-201996-11-15
19971997-02-241997-09-06
19981998-03-111998-08-29
20002000-01-112000-07-11
20012001-01-212001-12-01
20022002-04-162002-06-22
20032003-02-172003-08-11
20042004-02-182004-12-28
20052005-03-282005-08-18
20062006-01-132006-12-18
20072007-01-032007-12-17
20082008-02-082008-09-26
20092009-01-282009-11-13
20102010-03-222010-08-13
20112011-01-062011-12-07
20122012-02-032012-12-12
20132013-01-142013-10-21
20142014-04-272014-11-28
20152015-03-022015-12-06
20162016-01-192016-12-13
20172017-01-302017-10-22
20182018-01-162018-08-09
20192019-06-232019-08-14
20202020-02-072020-09-07
20212021-03-042021-10-27
20222022-03-272022-10-24
20232023-03-262023-11-15
20242024-01-122024-12-09
20252025-03-142025-11-20

Every Fixed Threshold

Fixed thresholds at Hartwood
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain10617202211
25 mm (0.98 in): Days with 25 mm or more rain80419343
50 mm (1.97 in): Days with 50 mm or more rain16119181
100 mm (3.94 in): Days with 100 mm or more rain2119901

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1914.

Download the Data

  • Data for Hartwood 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).