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Built 2026-10-19 (19 October 2026)

Butternut 3SW Threshold Days by Year (USC00471249)

15 fixed thresholds counted per year at Butternut 3SW (USC00471249): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Butternut 3SW Thresholds

  • Butternut 3SW: days with a maximum temperature at or below 0 C (32 F) in 22 years, most in 2014 with 122.
  • Butternut 3SW: nights with a minimum temperature at or below 0 C (32 F) in 22 years, most in 2002 with 223.
  • Butternut 3SW: nights with a minimum temperature at or below -10 C (14 F) in 22 years, most in 2018 with 109.
  • Butternut 3SW: nights with a minimum temperature at or below -20 C (-4 F) in 22 years, most in 2014 with 63.
  • 15 fixed thresholds have at least one qualifying day at Butternut 3SW.
20 years with a qualifying day
Days at or above 30 C (86 F) per year at Butternut 3SW Days per year at Butternut 3SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 18 in 2002. 051015201998: 92000: 42001: 172002: 182003: 82005: 162006: 152007: 162009: 32010: 102011: 112013: 82015: 42018: 82020: 82021: 112022: 42023: 112024: 52025: 91998200120032006200920112015202020222024
Days per year at Butternut 3SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 18 in 2002.
Days at or above 30 C (86 F) per year at Butternut 3SW
YearDaysDecade average
199899
2000412.1
20011712.1
20021812.1
2003812.1
20051612.1
20061512.1
20071612.1
2009312.1
2010108.2
2011118.2
201388.2
201548.2
201888.2
202088
2021118
202248
2023118
202458
202598
First to last qualifying date each year at Butternut 3SW For each year, a bar from the first to the last day at Butternut 3SW meeting 30 C (86 F). 1998: 28 June 1998 to 20 September 19982000: 9 June 2000 to 1 September 20002001: 16 May 2001 to 24 August 20012002: 26 June 2002 to 10 September 20022003: 24 June 2003 to 9 September 20032005: 24 June 2005 to 12 September 20052006: 29 May 2006 to 2 August 20062007: 15 May 2007 to 7 September 20072009: 21 May 2009 to 15 August 20092010: 25 May 2010 to 31 August 20102011: 7 June 2011 to 1 August 20112013: 7 July 2013 to 26 August 20132015: 28 July 2015 to 6 September 20152018: 27 May 2018 to 13 August 20182020: 9 June 2020 to 19 July 20202021: 5 June 2021 to 20 August 20212022: 15 June 2022 to 19 July 20222023: 4 June 2023 to 2 October 20232024: 15 July 2024 to 28 August 20242025: 22 June 2025 to 5 October 20251998200220062010201520212024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Butternut 3SW meeting 30 C (86 F).
First to last qualifying date each year at Butternut 3SW
YearFirst dateLast date
19981998-06-281998-09-20
20002000-06-092000-09-01
20012001-05-162001-08-24
20022002-06-262002-09-10
20032003-06-242003-09-09
20052005-06-242005-09-12
20062006-05-292006-08-02
20072007-05-152007-09-07
20092009-05-212009-08-15
20102010-05-252010-08-31
20112011-06-072011-08-01
20132013-07-072013-08-26
20152015-07-282015-09-06
20182018-05-272018-08-13
20202020-06-092020-07-19
20212021-06-052021-08-20
20222022-06-152022-07-19
20232023-06-042023-10-02
20242024-07-152024-08-28
20252025-06-222025-10-05

Every Fixed Threshold

Fixed thresholds at Butternut 3SW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days201820029
35 C (95 F): Days1320063
90 F (32.2 C): Days16520012
0 C (32 F): Ice days (max22122201483
0 C (32 F): Frost days (min222232002177
-10 C (14 F): Days with min22109201887
-20 C (-4 F): Days with min2263201439
-30 C (-22 F): Days with min211820228
20 C (68 F): Tropical nights (min12520132
10 mm (0.39 in): Days with 10 mm or more rain935200119
25 mm (0.98 in): Days with 25 mm or more rain9820016
50 mm (1.97 in): Days with 50 mm or more rain6420051
100 mm (3.94 in): Days with 100 mm or more rain1120051
10 cm (3.9 in): Days with 10 cm or more snowfall141120187
25 cm (9.8 in): Days with 25 cm or more snowfall2120021

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1998.

Download the Data

  • Data for Butternut 3SW 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).