Built 2026-10-19 (19 October 2026)

Ithaca Cornell UNIV Threshold Days by Year (USC00304174)

18 fixed thresholds counted per year at Ithaca Cornell UNIV (USC00304174): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ithaca Cornell UNIV Thresholds

  • Ithaca Cornell UNIV: days with a maximum temperature at or above 30 C (86 F) in 131 years, most in 1939 with 52.
  • Ithaca Cornell UNIV: days with a maximum temperature at or below 0 C (32 F) in 131 years, most in 1904 with 83.
  • Ithaca Cornell UNIV: nights with a minimum temperature at or below 0 C (32 F) in 131 years, most in 1956 with 171.
  • Ithaca Cornell UNIV: nights with a minimum temperature at or below -10 C (14 F) in 131 years, most in 1980 with 63.
  • 18 fixed thresholds have at least one qualifying day at Ithaca Cornell UNIV.
131 years with a qualifying day
Days at or above 30 C (86 F) per year at Ithaca Cornell UNIV Days per year at Ithaca Cornell UNIV with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 52 in 1939. 02040601893: 181894: 241895: 301896: 231897: 131898: 291899: 341900: 391901: 271902: 101903: 101904: 101905: 81906: 211907: 201908: 391909: 281910: 301911: 351912: 211913: 351914: 261915: 251916: 321917: 141918: 281919: 341920: 141921: 411922: 111923: 281924: 121925: 241926: 131927: 141928: 211929: 211930: 301931: 391932: 271933: 361934: 371935: 241936: 431937: 401938: 411939: 521940: 241941: 391942: 251943: 301944: 371945: 211946: 131947: 181948: 161949: 421950: 81951: 151952: 301953: 351954: 221955: 461956: 81957: 141958: 51959: 371960: 101961: 141962: 201963: 151964: 251965: 251966: 271967: 91968: 221969: 181970: 111971: 161972: 91973: 191974: 101975: 171976: 31977: 121978: 151979: 111980: 161981: 71982: 81983: 301984: 101985: 51986: 51987: 201988: 321989: 111990: 81991: 271992: 61993: 171996: 61998: 131999: 312000: 32001: 192002: 372003: 62004: 32005: 322006: 142007: 232008: 172009: 92010: 252011: 172012: 292013: 182014: 52015: 142016: 292017: 102018: 222019: 122020: 262021: 192022: 232023: 112024: 202025: 252026: 121893190719211935194919631977199120082022
Days per year at Ithaca Cornell UNIV with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 52 in 1939.
Days at or above 30 C (86 F) per year at Ithaca Cornell UNIV
YearDaysDecade average
18931824.4
18942424.4
18953024.4
18962324.4
18971324.4
18982924.4
18993424.4
19003921.2
19012721.2
19021021.2
19031021.2
19041021.2
1905821.2
19062121.2
19072021.2
19083921.2
19092821.2
19103028
19113528
19122128
19133528
19142628
19152528
19163228
19171428
19182828
19193428
19201419.9
19214119.9
19221119.9
19232819.9
19241219.9
19252419.9
19261319.9
19271419.9
19282119.9
19292119.9
19303036.9
19313936.9
19322736.9
19333636.9
19343736.9
19352436.9
19364336.9
19374036.9
19384136.9
19395236.9
19402426.5
19413926.5
19422526.5
19433026.5
19443726.5
19452126.5
19461326.5
19471826.5
19481626.5
19494226.5
1950822
19511522
19523022
19533522
19542222
19554622
1956822
19571422
1958522
19593722
19601018.5
19611418.5
19622018.5
19631518.5
19642518.5
19652518.5
19662718.5
1967918.5
19682218.5
19691818.5
19701112.3
19711612.3
1972912.3
19731912.3
19741012.3
19751712.3
1976312.3
19771212.3
19781512.3
19791112.3
19801614.4
1981714.4
1982814.4
19833014.4
19841014.4
1985514.4
1986514.4
19872014.4
19883214.4
19891114.4
1990815.4
19912715.4
1992615.4
19931715.4
1996615.4
19981315.4
19993115.4
2000316.3
20011916.3
20023716.3
2003616.3
2004316.3
20053216.3
20061416.3
20072316.3
20081716.3
2009916.3
20102518.1
20111718.1
20122918.1
20131818.1
2014518.1
20151418.1
20162918.1
20171018.1
20182218.1
20191218.1
20202619.4
20211919.4
20222319.4
20231119.4
20242019.4
20252519.4
20261219.4
First to last qualifying date each year at Ithaca Cornell UNIV For each year, a bar from the first to the last day at Ithaca Cornell UNIV meeting 30 C (86 F). 1893: 23 May 1893 to 25 August 18931894: 11 June 1894 to 2 September 18941895: 5 May 1895 to 23 September 18951896: 16 April 1896 to 11 September 18961897: 3 July 1897 to 16 September 18971898: 7 June 1898 to 4 September 18981899: 30 April 1899 to 3 September 18991900: 14 May 1900 to 6 October 19001901: 6 June 1901 to 22 August 19011902: 22 April 1902 to 31 August 19021903: 19 May 1903 to 14 September 19031904: 25 May 1904 to 3 September 19041905: 18 June 1905 to 1 October 19051906: 18 May 1906 to 19 September 19061907: 17 June 1907 to 20 September 19071908: 25 May 1908 to 26 September 19081909: 21 June 1909 to 14 September 19091910: 14 June 1910 to 25 August 19101911: 11 May 1911 to 14 August 19111912: 2 June 1912 to 10 September 19121913: 3 May 1913 to 7 September 19131914: 26 May 1914 to 23 September 19141915: 25 April 1915 to 16 September 19151916: 7 July 1916 to 14 September 19161917: 21 July 1917 to 20 August 19171918: 27 May 1918 to 25 August 19181919: 30 May 1919 to 4 October 19191920: 27 May 1920 to 15 August 19201921: 26 April 1921 to 10 September 19211922: 8 June 1922 to 6 October 19221923: 4 June 1923 to 3 September 19231924: 20 June 1924 to 31 August 19241925: 1 June 1925 to 12 September 19251926: 2 May 1926 to 6 August 19261927: 22 May 1927 to 2 October 19271928: 4 May 1928 to 12 October 19281929: 30 May 1929 to 4 September 19291930: 6 May 1930 to 15 September 19301931: 28 May 1931 to 22 September 19311932: 16 May 1932 to 20 September 19321933: 20 May 1933 to 8 September 19331934: 10 May 1934 to 26 September 19341935: 27 April 1935 to 25 September 19351936: 7 May 1936 to 23 September 19361937: 31 May 1937 to 25 September 19371938: 27 April 1938 to 23 August 19381939: 6 May 1939 to 10 October 19391940: 15 May 1940 to 20 September 19401941: 20 April 1941 to 7 October 19411942: 1 May 1942 to 18 September 19421943: 6 May 1943 to 7 September 19431944: 5 May 1944 to 3 September 19441945: 15 June 1945 to 10 September 19451946: 25 June 1946 to 20 September 19461947: 11 June 1947 to 14 September 19471948: 25 June 1948 to 14 September 19481949: 5 May 1949 to 11 October 19491950: 9 June 1950 to 18 August 19501951: 11 July 1951 to 6 October 19511952: 18 June 1952 to 15 September 19521953: 11 May 1953 to 1 October 19531954: 2 June 1954 to 8 September 19541955: 5 May 1955 to 20 September 19551956: 13 June 1956 to 1 September 19561957: 16 June 1957 to 4 August 19571958: 1 June 1958 to 1 September 19581959: 12 May 1959 to 24 September 19591960: 13 July 1960 to 9 September 19601961: 13 June 1961 to 25 September 19611962: 27 April 1962 to 1 September 19621963: 27 June 1963 to 8 October 19631964: 23 May 1964 to 11 September 19641965: 4 May 1965 to 23 September 19651966: 6 June 1966 to 3 September 19661967: 10 June 1967 to 2 July 19671968: 7 June 1968 to 26 August 19681969: 30 May 1969 to 8 September 19691970: 3 June 1970 to 25 September 19701971: 20 May 1971 to 9 September 19711972: 16 June 1972 to 24 July 19721973: 12 June 1973 to 6 September 19731974: 10 June 1974 to 17 August 19741975: 21 May 1975 to 27 August 19751976: 11 June 1976 to 27 August 19761977: 22 May 1977 to 2 September 19771978: 31 May 1978 to 22 September 19781979: 9 May 1979 to 1 August 19791980: 25 June 1980 to 23 September 19801981: 16 June 1981 to 13 July 19811982: 8 July 1982 to 15 September 19821983: 15 June 1983 to 21 September 19831984: 8 June 1984 to 10 August 19841985: 20 July 1985 to 8 September 19851986: 19 May 1986 to 8 July 19861987: 30 May 1987 to 18 August 19871988: 31 May 1988 to 16 August 19881989: 28 June 1989 to 11 September 19891990: 28 April 1990 to 29 July 19901991: 17 May 1991 to 17 September 19911992: 23 May 1992 to 28 August 19921993: 11 May 1993 to 14 September 19931996: 19 May 1996 to 8 August 19961998: 17 May 1998 to 15 September 19981999: 31 May 1999 to 7 September 19992000: 11 June 2000 to 3 September 20002001: 2 May 2001 to 9 September 20012002: 17 April 2002 to 11 September 20022003: 26 June 2003 to 22 August 20032004: 9 June 2004 to 30 August 20042005: 6 June 2005 to 21 August 20052006: 30 May 2006 to 3 August 20062007: 25 May 2007 to 26 September 20072008: 7 June 2008 to 15 September 20082009: 26 April 2009 to 19 August 20092010: 27 May 2010 to 25 September 20102011: 1 June 2011 to 4 September 20112012: 17 April 2012 to 1 September 20122013: 22 May 2013 to 12 September 20132014: 18 June 2014 to 6 September 20142015: 9 May 2015 to 10 September 20152016: 28 May 2016 to 11 September 20162017: 18 May 2017 to 28 September 20172018: 2 June 2018 to 6 September 20182019: 20 May 2019 to 2 October 20192020: 27 May 2020 to 28 August 20202021: 21 May 2021 to 26 August 20212022: 22 May 2022 to 30 August 20222023: 1 June 2023 to 8 September 20232024: 21 May 2024 to 28 August 20242025: 5 June 2025 to 17 August 20252026: 19 May 2026 to 15 July 202618931910192719441961197819982015JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ithaca Cornell UNIV meeting 30 C (86 F).
First to last qualifying date each year at Ithaca Cornell UNIV
YearFirst dateLast date
18931893-05-231893-08-25
18941894-06-111894-09-02
18951895-05-051895-09-23
18961896-04-161896-09-11
18971897-07-031897-09-16
18981898-06-071898-09-04
18991899-04-301899-09-03
19001900-05-141900-10-06
19011901-06-061901-08-22
19021902-04-221902-08-31
19031903-05-191903-09-14
19041904-05-251904-09-03
19051905-06-181905-10-01
19061906-05-181906-09-19
19071907-06-171907-09-20
19081908-05-251908-09-26
19091909-06-211909-09-14
19101910-06-141910-08-25
19111911-05-111911-08-14
19121912-06-021912-09-10
19131913-05-031913-09-07
19141914-05-261914-09-23
19151915-04-251915-09-16
19161916-07-071916-09-14
19171917-07-211917-08-20
19181918-05-271918-08-25
19191919-05-301919-10-04
19201920-05-271920-08-15
19211921-04-261921-09-10
19221922-06-081922-10-06
19231923-06-041923-09-03
19241924-06-201924-08-31
19251925-06-011925-09-12
19261926-05-021926-08-06
19271927-05-221927-10-02
19281928-05-041928-10-12
19291929-05-301929-09-04
19301930-05-061930-09-15
19311931-05-281931-09-22
19321932-05-161932-09-20
19331933-05-201933-09-08
19341934-05-101934-09-26
19351935-04-271935-09-25
19361936-05-071936-09-23
19371937-05-311937-09-25
19381938-04-271938-08-23
19391939-05-061939-10-10
19401940-05-151940-09-20
19411941-04-201941-10-07
19421942-05-011942-09-18
19431943-05-061943-09-07
19441944-05-051944-09-03
19451945-06-151945-09-10
19461946-06-251946-09-20
19471947-06-111947-09-14
19481948-06-251948-09-14
19491949-05-051949-10-11
19501950-06-091950-08-18
19511951-07-111951-10-06
19521952-06-181952-09-15
19531953-05-111953-10-01
19541954-06-021954-09-08
19551955-05-051955-09-20
19561956-06-131956-09-01
19571957-06-161957-08-04
19581958-06-011958-09-01
19591959-05-121959-09-24
19601960-07-131960-09-09
19611961-06-131961-09-25
19621962-04-271962-09-01
19631963-06-271963-10-08
19641964-05-231964-09-11
19651965-05-041965-09-23
19661966-06-061966-09-03
19671967-06-101967-07-02
19681968-06-071968-08-26
19691969-05-301969-09-08
19701970-06-031970-09-25
19711971-05-201971-09-09
19721972-06-161972-07-24
19731973-06-121973-09-06
19741974-06-101974-08-17
19751975-05-211975-08-27
19761976-06-111976-08-27
19771977-05-221977-09-02
19781978-05-311978-09-22
19791979-05-091979-08-01
19801980-06-251980-09-23
19811981-06-161981-07-13
19821982-07-081982-09-15
19831983-06-151983-09-21
19841984-06-081984-08-10
19851985-07-201985-09-08
19861986-05-191986-07-08
19871987-05-301987-08-18
19881988-05-311988-08-16
19891989-06-281989-09-11
19901990-04-281990-07-29
19911991-05-171991-09-17
19921992-05-231992-08-28
19931993-05-111993-09-14
19961996-05-191996-08-08
19981998-05-171998-09-15
19991999-05-311999-09-07
20002000-06-112000-09-03
20012001-05-022001-09-09
20022002-04-172002-09-11
20032003-06-262003-08-22
20042004-06-092004-08-30
20052005-06-062005-08-21
20062006-05-302006-08-03
20072007-05-252007-09-26
20082008-06-072008-09-15
20092009-04-262009-08-19
20102010-05-272010-09-25
20112011-06-012011-09-04
20122012-04-172012-09-01
20132013-05-222013-09-12
20142014-06-182014-09-06
20152015-05-092015-09-10
20162016-05-282016-09-11
20172017-05-182017-09-28
20182018-06-022018-09-06
20192019-05-202019-10-02
20202020-05-272020-08-28
20212021-05-212021-08-26
20222022-05-222022-08-30
20232023-06-012023-09-08
20242024-05-212024-08-28
20252025-06-052025-08-17
20262026-05-192026-07-15

Every Fixed Threshold

Fixed thresholds at Ithaca Cornell UNIV
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days13152193912
35 C (95 F): Days49919111
90 F (32.2 C): Days1162619557
100 F (37.8 C): Days6319113
0 C (32 F): Ice days (max13183190443
0 C (32 F): Frost days (min131171195696
-10 C (14 F): Days with min13163198039
-20 C (-4 F): Days with min1122020153
-30 C (-22 F): Days with min12219571
20 C (68 F): Tropical nights (min1282418982
25 C (77 F): Days with min3219171
10 mm (0.39 in): Days with 10 mm or more rain13142201127
25 mm (0.98 in): Days with 25 mm or more rain1301119617
50 mm (1.97 in): Days with 50 mm or more rain69318931
100 mm (3.94 in): Days with 100 mm or more rain6119291
10 cm (3.9 in): Days with 10 cm or more snowfall97919581
25 cm (9.8 in): Days with 25 cm or more snowfall29319781
50 cm (19.7 in): Days with 50 cm or more snowfall1119611

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 Ithaca Cornell UNIV 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).