Built 2026-10-19 (19 October 2026)

Ashley Threshold Days by Year (USC00320382)

21 fixed thresholds counted per year at Ashley (USC00320382): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ashley Thresholds

  • Ashley: days with a maximum temperature at or above 30 C (86 F) in 117 years, most in 1936 with 81.
  • Ashley: days with a maximum temperature at or below 0 C (32 F) in 117 years, most in 2019 with 122.
  • Ashley: days with a maximum temperature at or above 90 F (32.2 C) in 116 years, most in 1926 with 62.
  • Ashley: days with 10 mm (0.39 in) or more of precipitation in 114 years, most in 2019 with 26.
  • 21 fixed thresholds have at least one qualifying day at Ashley.
117 years with a qualifying day
Days at or above 30 C (86 F) per year at Ashley Days per year at Ashley with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 81 in 1936. 02550751001893: 571894: 531895: 431897: 431898: 401899: 211900: 501903: 171905: 161912: 191914: 381915: 61916: 271917: 291918: 221919: 351920: 221921: 371923: 151924: 21925: 401926: 721927: 71928: 211929: 521930: 411931: 481932: 401933: 601934: 711935: 421936: 811937: 571938: 391939: 561940: 431941: 391942: 81943: 241944: 201945: 231946: 171949: 351950: 231951: 101952: 461953: 251954: 261955: 391956: 191957: 281958: 341959: 491960: 331961: 441962: 171963: 221964: 291965: 131966: 311967: 341968: 211969: 221970: 491971: 231972: 281974: 331975: 251976: 631977: 361978: 381979: 311980: 571981: 311984: 381985: 291986: 171987: 381988: 631989: 491990: 461991: 301992: 201993: 71994: 121995: 221996: 181997: 311998: 241999: 252000: 262001: 382002: 542003: 402004: 212005: 362006: 512007: 362008: 232009: 122010: 242011: 282012: 472013: 232014: 52015: 322016: 212017: 282018: 292019: 132020: 302021: 652022: 302023: 282024: 232025: 252026: 101893191619291941195519671980199420062018
Days per year at Ashley with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 81 in 1936.
Days at or above 30 C (86 F) per year at Ashley
YearDaysDecade average
18935742.8
18945342.8
18954342.8
18974342.8
18984042.8
18992142.8
19005027.7
19031727.7
19051627.7
19121925.1
19143825.1
1915625.1
19162725.1
19172925.1
19182225.1
19193525.1
19202229.8
19213729.8
19231529.8
1924229.8
19254029.8
19267229.8
1927729.8
19282129.8
19295229.8
19304153.5
19314853.5
19324053.5
19336053.5
19347153.5
19354253.5
19368153.5
19375753.5
19383953.5
19395653.5
19404326.1
19413926.1
1942826.1
19432426.1
19442026.1
19452326.1
19461726.1
19493526.1
19502329.9
19511029.9
19524629.9
19532529.9
19542629.9
19553929.9
19561929.9
19572829.9
19583429.9
19594929.9
19603326.6
19614426.6
19621726.6
19632226.6
19642926.6
19651326.6
19663126.6
19673426.6
19682126.6
19692226.6
19704936.2
19712336.2
19722836.2
19743336.2
19752536.2
19766336.2
19773636.2
19783836.2
19793136.2
19805740.3
19813140.3
19843840.3
19852940.3
19861740.3
19873840.3
19886340.3
19894940.3
19904623.5
19913023.5
19922023.5
1993723.5
19941223.5
19952223.5
19961823.5
19973123.5
19982423.5
19992523.5
20002633.7
20013833.7
20025433.7
20034033.7
20042133.7
20053633.7
20065133.7
20073633.7
20082333.7
20091233.7
20102425
20112825
20124725
20132325
2014525
20153225
20162125
20172825
20182925
20191325
20203030.1
20216530.1
20223030.1
20232830.1
20242330.1
20252530.1
20261030.1
First to last qualifying date each year at Ashley For each year, a bar from the first to the last day at Ashley meeting 30 C (86 F). 1893: 18 May 1893 to 12 September 18931894: 13 May 1894 to 18 September 18941895: 8 May 1895 to 18 September 18951897: 5 May 1897 to 2 October 18971898: 17 June 1898 to 27 September 18981899: 17 June 1899 to 1 September 18991900: 10 May 1900 to 1 September 19001903: 17 June 1903 to 20 August 19031905: 3 June 1905 to 29 September 19051912: 23 June 1912 to 7 September 19121914: 4 July 1914 to 2 October 19141915: 12 July 1915 to 5 September 19151916: 6 May 1916 to 3 September 19161917: 16 May 1917 to 24 September 19171918: 4 May 1918 to 27 August 19181919: 28 May 1919 to 12 September 19191920: 12 June 1920 to 7 October 19201921: 11 June 1921 to 1 September 19211923: 2 June 1923 to 5 September 19231924: 28 July 1924 to 28 August 19241925: 19 May 1925 to 17 September 19251926: 12 April 1926 to 16 September 19261927: 27 June 1927 to 14 September 19271928: 7 May 1928 to 18 August 19281929: 25 May 1929 to 23 September 19291930: 21 May 1930 to 30 August 19301931: 15 May 1931 to 12 September 19311932: 13 May 1932 to 8 September 19321933: 31 May 1933 to 29 September 19331934: 28 April 1934 to 11 October 19341935: 13 June 1935 to 23 September 19351936: 5 May 1936 to 8 October 19361937: 21 June 1937 to 3 October 19371938: 5 June 1938 to 3 October 19381939: 5 May 1939 to 22 September 19391940: 11 May 1940 to 19 September 19401941: 13 May 1941 to 20 September 19411942: 14 April 1942 to 10 September 19421943: 28 May 1943 to 27 September 19431944: 23 May 1944 to 8 September 19441945: 22 June 1945 to 6 September 19451946: 6 June 1946 to 15 September 19461949: 13 May 1949 to 5 October 19491950: 23 May 1950 to 30 October 19501951: 14 July 1951 to 7 August 19511952: 26 April 1952 to 27 September 19521953: 11 June 1953 to 1 October 19531954: 23 June 1954 to 31 August 19541955: 2 May 1955 to 10 October 19551956: 9 June 1956 to 28 September 19561957: 1 July 1957 to 31 August 19571958: 10 May 1958 to 19 October 19581959: 1 May 1959 to 11 September 19591960: 26 June 1960 to 20 September 19601961: 4 June 1961 to 18 September 19611962: 24 April 1962 to 7 September 19621963: 7 May 1963 to 5 October 19631964: 21 May 1964 to 15 October 19641965: 15 July 1965 to 16 August 19651966: 4 May 1966 to 31 August 19661967: 22 May 1967 to 22 September 19671968: 30 April 1968 to 28 August 19681969: 14 May 1969 to 15 September 19691970: 7 May 1970 to 5 October 19701971: 2 July 1971 to 13 September 19711972: 16 May 1972 to 19 September 19721974: 4 June 1974 to 26 September 19741975: 2 July 1975 to 7 October 19751976: 5 June 1976 to 30 September 19761977: 9 April 1977 to 5 September 19771978: 5 June 1978 to 11 September 19781979: 13 June 1979 to 27 September 19791980: 20 April 1980 to 7 October 19801981: 26 June 1981 to 13 September 19811984: 16 May 1984 to 22 September 19841985: 4 May 1985 to 9 August 19851986: 4 June 1986 to 20 August 19861987: 19 April 1987 to 24 September 19871988: 19 May 1988 to 25 August 19881989: 7 June 1989 to 1 October 19891990: 23 April 1990 to 6 October 19901991: 15 May 1991 to 17 October 19911992: 1 May 1992 to 2 October 19921993: 22 June 1993 to 7 October 19931994: 20 May 1994 to 11 September 19941995: 16 June 1995 to 12 October 19951996: 11 June 1996 to 10 September 19961997: 18 May 1997 to 5 October 19971998: 26 June 1998 to 19 September 19981999: 5 June 1999 to 12 September 19992000: 6 May 2000 to 19 September 20002001: 15 May 2001 to 7 September 20012002: 29 May 2002 to 18 September 20022003: 14 April 2003 to 20 October 20032004: 1 July 2004 to 20 September 20042005: 21 May 2005 to 2 October 20052006: 19 May 2006 to 2 October 20062007: 14 May 2007 to 30 September 20072008: 16 April 2008 to 20 September 20082009: 24 April 2009 to 25 August 20092010: 29 May 2010 to 31 August 20102011: 7 June 2011 to 12 September 20112012: 18 May 2012 to 11 September 20122013: 14 May 2013 to 7 September 20132014: 22 June 2014 to 2 August 20142015: 3 May 2015 to 12 October 20152016: 6 May 2016 to 29 August 20162017: 2 June 2017 to 13 September 20172018: 26 May 2018 to 13 September 20182019: 5 June 2019 to 17 September 20192020: 2 June 2020 to 26 August 20202021: 17 May 2021 to 29 September 20212022: 18 June 2022 to 20 September 20222023: 24 May 2023 to 2 October 20232024: 18 May 2024 to 30 September 20242025: 11 May 2025 to 4 October 20252026: 26 May 2026 to 29 June 202618931919193519521967198520002015JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ashley meeting 30 C (86 F).
First to last qualifying date each year at Ashley
YearFirst dateLast date
18931893-05-181893-09-12
18941894-05-131894-09-18
18951895-05-081895-09-18
18971897-05-051897-10-02
18981898-06-171898-09-27
18991899-06-171899-09-01
19001900-05-101900-09-01
19031903-06-171903-08-20
19051905-06-031905-09-29
19121912-06-231912-09-07
19141914-07-041914-10-02
19151915-07-121915-09-05
19161916-05-061916-09-03
19171917-05-161917-09-24
19181918-05-041918-08-27
19191919-05-281919-09-12
19201920-06-121920-10-07
19211921-06-111921-09-01
19231923-06-021923-09-05
19241924-07-281924-08-28
19251925-05-191925-09-17
19261926-04-121926-09-16
19271927-06-271927-09-14
19281928-05-071928-08-18
19291929-05-251929-09-23
19301930-05-211930-08-30
19311931-05-151931-09-12
19321932-05-131932-09-08
19331933-05-311933-09-29
19341934-04-281934-10-11
19351935-06-131935-09-23
19361936-05-051936-10-08
19371937-06-211937-10-03
19381938-06-051938-10-03
19391939-05-051939-09-22
19401940-05-111940-09-19
19411941-05-131941-09-20
19421942-04-141942-09-10
19431943-05-281943-09-27
19441944-05-231944-09-08
19451945-06-221945-09-06
19461946-06-061946-09-15
19491949-05-131949-10-05
19501950-05-231950-10-30
19511951-07-141951-08-07
19521952-04-261952-09-27
19531953-06-111953-10-01
19541954-06-231954-08-31
19551955-05-021955-10-10
19561956-06-091956-09-28
19571957-07-011957-08-31
19581958-05-101958-10-19
19591959-05-011959-09-11
19601960-06-261960-09-20
19611961-06-041961-09-18
19621962-04-241962-09-07
19631963-05-071963-10-05
19641964-05-211964-10-15
19651965-07-151965-08-16
19661966-05-041966-08-31
19671967-05-221967-09-22
19681968-04-301968-08-28
19691969-05-141969-09-15
19701970-05-071970-10-05
19711971-07-021971-09-13
19721972-05-161972-09-19
19741974-06-041974-09-26
19751975-07-021975-10-07
19761976-06-051976-09-30
19771977-04-091977-09-05
19781978-06-051978-09-11
19791979-06-131979-09-27
19801980-04-201980-10-07
19811981-06-261981-09-13
19841984-05-161984-09-22
19851985-05-041985-08-09
19861986-06-041986-08-20
19871987-04-191987-09-24
19881988-05-191988-08-25
19891989-06-071989-10-01
19901990-04-231990-10-06
19911991-05-151991-10-17
19921992-05-011992-10-02
19931993-06-221993-10-07
19941994-05-201994-09-11
19951995-06-161995-10-12
19961996-06-111996-09-10
19971997-05-181997-10-05
19981998-06-261998-09-19
19991999-06-051999-09-12
20002000-05-062000-09-19
20012001-05-152001-09-07
20022002-05-292002-09-18
20032003-04-142003-10-20
20042004-07-012004-09-20
20052005-05-212005-10-02
20062006-05-192006-10-02
20072007-05-142007-09-30
20082008-04-162008-09-20
20092009-04-242009-08-25
20102010-05-292010-08-31
20112011-06-072011-09-12
20122012-05-182012-09-11
20132013-05-142013-09-07
20142014-06-222014-08-02
20152015-05-032015-10-12
20162016-05-062016-08-29
20172017-06-022017-09-13
20182018-05-262018-09-13
20192019-06-052019-09-17
20202020-06-022020-08-26
20212021-05-172021-09-29
20222022-06-182022-09-20
20232023-05-242023-10-02
20242024-05-182024-09-30
20252025-05-112025-10-04
20262026-05-262026-06-29

Every Fixed Threshold

Fixed thresholds at Ashley
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days11781193610
35 C (95 F): Days1003719361
40 C (104 F): Days251619361
45 C (113 F): Days1119361
90 F (32.2 C): Days1166219264
100 F (37.8 C): Days5726193610
110 F (43.3 C): Days4319362
0 C (32 F): Ice days (max117122201940
0 C (32 F): Frost days (min1052091898104
-10 C (14 F): Days with min105122189842
-20 C (-4 F): Days with min10571189915
-30 C (-22 F): Days with min982519362
-40 C (-40 F): Days with min8218952
20 C (68 F): Tropical nights (min791519361
25 C (77 F): Days with min3219361
10 mm (0.39 in): Days with 10 mm or more rain1142620192
25 mm (0.98 in): Days with 25 mm or more rain110919213
50 mm (1.97 in): Days with 50 mm or more rain44319211
100 mm (3.94 in): Days with 100 mm or more rain1119661
10 cm (3.9 in): Days with 10 cm or more snowfall51720091
25 cm (9.8 in): Days with 25 cm or more snowfall6119511

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

  • Data for Ashley 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).