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Built 2026-10-19 (19 October 2026)

N Tonawanda Threshold Days by Year (USC00306047)

16 fixed thresholds counted per year at N Tonawanda (USC00306047): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for N Tonawanda Thresholds

  • N Tonawanda: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 2011 with 47.
  • N Tonawanda: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 2013 with 13.
  • N Tonawanda: days with a maximum temperature at or above 30 C (86 F) in 42 years, most in 2016 with 52.
  • N Tonawanda: days with a maximum temperature at or below 0 C (32 F) in 42 years, most in 1989 with 63.
  • 16 fixed thresholds have at least one qualifying day at N Tonawanda.
42 years with a qualifying day
Days at or above 30 C (86 F) per year at N Tonawanda Days per year at N Tonawanda with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 52 in 2016. 02040601983: 321984: 111985: 121986: 91987: 251988: 321989: 161990: 121991: 331992: 21993: 201994: 141995: 351996: 101997: 101998: 211999: 402000: 92001: 262002: 372003: 162004: 82005: 462006: 182007: 372008: 192009: 92010: 362011: 272012: 492013: 212014: 172015: 272016: 522017: 192020: 472021: 382022: 372023: 232024: 382025: 402026: 25198319881993199820032008201320202025
Days per year at N Tonawanda with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 52 in 2016.
Days at or above 30 C (86 F) per year at N Tonawanda
YearDaysDecade average
19833219.6
19841119.6
19851219.6
1986919.6
19872519.6
19883219.6
19891619.6
19901219.7
19913319.7
1992219.7
19932019.7
19941419.7
19953519.7
19961019.7
19971019.7
19982119.7
19994019.7
2000922.5
20012622.5
20023722.5
20031622.5
2004822.5
20054622.5
20061822.5
20073722.5
20081922.5
2009922.5
20103631
20112731
20124931
20132131
20141731
20152731
20165231
20171931
20204735.4
20213835.4
20223735.4
20232335.4
20243835.4
20254035.4
20262535.4
First to last qualifying date each year at N Tonawanda For each year, a bar from the first to the last day at N Tonawanda meeting 30 C (86 F). 1983: 13 June 1983 to 11 September 19831984: 9 June 1984 to 11 August 19841985: 24 April 1985 to 9 September 19851986: 29 April 1986 to 18 August 19861987: 29 May 1987 to 18 August 19871988: 31 May 1988 to 18 August 19881989: 25 June 1989 to 10 September 19891990: 28 April 1990 to 13 September 19901991: 16 May 1991 to 16 September 19911992: 17 June 1992 to 23 August 19921993: 24 June 1993 to 14 September 19931994: 15 June 1994 to 21 July 19941995: 6 June 1995 to 31 August 19951996: 10 June 1996 to 3 September 19961997: 28 June 1997 to 9 August 19971998: 15 May 1998 to 14 September 19981999: 5 May 1999 to 6 September 19992000: 14 June 2000 to 1 September 20002001: 13 June 2001 to 9 September 20012002: 20 June 2002 to 20 September 20022003: 24 June 2003 to 25 August 20032004: 13 May 2004 to 5 September 20042005: 5 June 2005 to 26 August 20052006: 29 May 2006 to 7 August 20062007: 23 May 2007 to 5 October 20072008: 19 April 2008 to 14 September 20082009: 24 June 2009 to 20 August 20092010: 24 May 2010 to 24 September 20102011: 30 May 2011 to 3 September 20112012: 20 May 2012 to 3 September 20122013: 20 May 2013 to 11 September 20132014: 13 May 2014 to 5 September 20142015: 8 May 2015 to 8 September 20152016: 26 May 2016 to 10 September 20162017: 27 April 2017 to 27 September 20172020: 25 May 2020 to 2 September 20202021: 20 May 2021 to 31 August 20212022: 13 May 2022 to 4 September 20222023: 15 April 2023 to 5 October 20232024: 21 May 2024 to 17 September 20242025: 5 June 2025 to 6 October 20252026: 19 May 2026 to 17 August 20261983198919952001200720132021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at N Tonawanda meeting 30 C (86 F).
First to last qualifying date each year at N Tonawanda
YearFirst dateLast date
19831983-06-131983-09-11
19841984-06-091984-08-11
19851985-04-241985-09-09
19861986-04-291986-08-18
19871987-05-291987-08-18
19881988-05-311988-08-18
19891989-06-251989-09-10
19901990-04-281990-09-13
19911991-05-161991-09-16
19921992-06-171992-08-23
19931993-06-241993-09-14
19941994-06-151994-07-21
19951995-06-061995-08-31
19961996-06-101996-09-03
19971997-06-281997-08-09
19981998-05-151998-09-14
19991999-05-051999-09-06
20002000-06-142000-09-01
20012001-06-132001-09-09
20022002-06-202002-09-20
20032003-06-242003-08-25
20042004-05-132004-09-05
20052005-06-052005-08-26
20062006-05-292006-08-07
20072007-05-232007-10-05
20082008-04-192008-09-14
20092009-06-242009-08-20
20102010-05-242010-09-24
20112011-05-302011-09-03
20122012-05-202012-09-03
20132013-05-202013-09-11
20142014-05-132014-09-05
20152015-05-082015-09-08
20162016-05-262016-09-10
20172017-04-272017-09-27
20202020-05-252020-09-02
20212021-05-202021-08-31
20222022-05-132022-09-04
20232023-04-152023-10-05
20242024-05-212024-09-17
20252025-06-052025-10-06
20262026-05-192026-08-17

Every Fixed Threshold

Fixed thresholds at N Tonawanda
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4252201625
35 C (95 F): Days10519883
90 F (32.2 C): Days372620208
100 F (37.8 C): Days1120201
0 C (32 F): Ice days (max4263198936
0 C (32 F): Frost days (min42158202599
-10 C (14 F): Days with min4253198931
-20 C (-4 F): Days with min201020152
20 C (68 F): Tropical nights (min4125201613
25 C (77 F): Days with min2120061
10 mm (0.39 in): Days with 10 mm or more rain4447201135
25 mm (0.98 in): Days with 25 mm or more rain441320137
50 mm (1.97 in): Days with 50 mm or more rain19319952
10 cm (3.9 in): Days with 10 cm or more snowfall42920005
25 cm (9.8 in): Days with 25 cm or more snowfall17420221
50 cm (19.7 in): Days with 50 cm or more snowfall1120221

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1983.

Download the Data

  • Data for N Tonawanda 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).