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Built 2026-10-18 (18 October 2026)

Corning Threshold Days by Year

16 fixed thresholds counted per year at Corning (USC00301787): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Corning Thresholds

  • Corning: days with 10 mm (0.39 in) or more of precipitation in 75 years, most in 2011 with 44.
  • Corning: days with 25 mm (0.98 in) or more of precipitation in 75 years, most in 2018 with 13.
  • Corning: days with 10 cm (3.9 in) or more of snowfall in 53 years, most in 1958 with 11.
  • Corning: days with 50 mm (1.97 in) or more of precipitation in 45 years, most in 2018 with 5.
  • 16 fixed thresholds have at least one qualifying day at Corning.
34 years with a qualifying day
Days at or above 30 C (86 F) per year at Corning Days per year at Corning with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 51 in 2002. 02040601993: 201994: 111995: 221996: 61997: 211998: 381999: 472000: 112001: 392002: 512003: 222004: 132005: 352006: 192007: 142008: 112009: 22010: 52011: 122012: 162013: 142014: 12015: 112016: 202017: 52018: 122019: 52020: 142021: 52022: 172023: 102024: 172025: 222026: 14199319972001200520092013201720212025
Days per year at Corning with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 51 in 2002.
Days at or above 30 C (86 F) per year at Corning
YearDaysDecade average
19932023.6
19941123.6
19952223.6
1996623.6
19972123.6
19983823.6
19994723.6
20001121.7
20013921.7
20025121.7
20032221.7
20041321.7
20053521.7
20061921.7
20071421.7
20081121.7
2009221.7
2010510.1
20111210.1
20121610.1
20131410.1
2014110.1
20151110.1
20162010.1
2017510.1
20181210.1
2019510.1
20201414.1
2021514.1
20221714.1
20231014.1
20241714.1
20252214.1
20261414.1
First to last qualifying date each year at Corning For each year, a bar from the first to the last day at Corning meeting 30 C (86 F). 1993: 10 May 1993 to 31 August 19931994: 26 April 1994 to 21 July 19941995: 18 June 1995 to 7 September 19951996: 18 May 1996 to 7 August 19961997: 10 June 1997 to 2 September 19971998: 31 March 1998 to 26 September 19981999: 29 May 1999 to 6 September 19992000: 7 May 2000 to 2 September 20002001: 23 April 2001 to 9 September 20012002: 16 April 2002 to 13 September 20022003: 15 April 2003 to 29 August 20032004: 10 May 2004 to 29 August 20042005: 6 June 2005 to 21 August 20052006: 30 May 2006 to 5 August 20062007: 16 May 2007 to 8 September 20072008: 7 June 2008 to 21 July 20082009: 26 April 2009 to 28 April 20092010: 6 July 2010 to 3 September 20102011: 1 June 2011 to 24 July 20112012: 29 May 2012 to 1 September 20122013: 22 May 2013 to 12 September 20132014: 2 July 2014 to 2 July 20142015: 9 May 2015 to 10 September 20152016: 28 May 2016 to 11 September 20162017: 18 May 2017 to 19 June 20172018: 30 May 2018 to 4 September 20182019: 6 July 2019 to 21 July 20192020: 27 May 2020 to 12 August 20202021: 21 May 2021 to 30 June 20212022: 22 May 2022 to 30 August 20222023: 14 April 2023 to 5 September 20232024: 22 May 2024 to 17 July 20242025: 5 June 2025 to 17 August 20252026: 19 May 2026 to 16 July 20261993199820032008201320182023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Corning meeting 30 C (86 F).
First to last qualifying date each year at Corning
YearFirst dateLast date
19931993-05-101993-08-31
19941994-04-261994-07-21
19951995-06-181995-09-07
19961996-05-181996-08-07
19971997-06-101997-09-02
19981998-03-311998-09-26
19991999-05-291999-09-06
20002000-05-072000-09-02
20012001-04-232001-09-09
20022002-04-162002-09-13
20032003-04-152003-08-29
20042004-05-102004-08-29
20052005-06-062005-08-21
20062006-05-302006-08-05
20072007-05-162007-09-08
20082008-06-072008-07-21
20092009-04-262009-04-28
20102010-07-062010-09-03
20112011-06-012011-07-24
20122012-05-292012-09-01
20132013-05-222013-09-12
20142014-07-022014-07-02
20152015-05-092015-09-10
20162016-05-282016-09-11
20172017-05-182017-06-19
20182018-05-302018-09-04
20192019-07-062019-07-21
20202020-05-272020-08-12
20212021-05-212021-06-30
20222022-05-222022-08-30
20232023-04-142023-09-05
20242024-05-222024-07-17
20252025-06-052025-08-17
20262026-05-192026-07-16

Every Fixed Threshold

Fixed thresholds at Corning
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3451200214
35 C (95 F): Days61019991
90 F (32.2 C): Days283120026
100 F (37.8 C): Days1120011
0 C (32 F): Ice days (max3474201439
0 C (32 F): Frost days (min341792014100
-10 C (14 F): Days with min3470200937
-20 C (-4 F): Days with min2928201510
20 C (68 F): Tropical nights (min15820023
10 mm (0.39 in): Days with 10 mm or more rain7544201122
25 mm (0.98 in): Days with 25 mm or more rain751320185
50 mm (1.97 in): Days with 50 mm or more rain45520181
100 mm (3.94 in): Days with 100 mm or more rain5119351
10 cm (3.9 in): Days with 10 cm or more snowfall531119581
25 cm (9.8 in): Days with 25 cm or more snowfall11219611
50 cm (19.7 in): Days with 50 cm or more snowfall1119931

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1993.

Download the Data

  • Data for Corning 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-16).