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Built 2026-10-19 (19 October 2026)

Ashburnham Threshold Days by Year (USC00190190)

15 fixed thresholds counted per year at Ashburnham (USC00190190): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ashburnham Thresholds

  • Ashburnham: days with 10 mm (0.39 in) or more of precipitation in 81 years, most in 1983 with 58.
  • Ashburnham: days with 25 mm (0.98 in) or more of precipitation in 81 years, most in 1983 with 24.
  • Ashburnham: days with 10 cm (3.9 in) or more of snowfall in 75 years, most in 1956 with 18.
  • Ashburnham: days with 50 mm (1.97 in) or more of precipitation in 64 years, most in 1969 with 5.
  • 15 fixed thresholds have at least one qualifying day at Ashburnham.
19 years with a qualifying day
Days at or above 30 C (86 F) per year at Ashburnham Days per year at Ashburnham with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 23 in 2018. 01020302008: 92009: 92010: 202011: 122012: 222013: 192014: 42015: 92016: 192017: 122018: 232019: 122020: 182021: 172022: 222023: 92024: 152025: 222026: 122008201020122014201620182020202220242026
Days per year at Ashburnham with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 23 in 2018.
Days at or above 30 C (86 F) per year at Ashburnham
YearDaysDecade average
200899
200999
20102015.2
20111215.2
20122215.2
20131915.2
2014415.2
2015915.2
20161915.2
20171215.2
20182315.2
20191215.2
20201816.4
20211716.4
20222216.4
2023916.4
20241516.4
20252216.4
20261216.4
First to last qualifying date each year at Ashburnham For each year, a bar from the first to the last day at Ashburnham meeting 30 C (86 F). 2008: 8 June 2008 to 20 July 20082009: 29 April 2009 to 20 August 20092010: 3 May 2010 to 3 September 20102011: 28 May 2011 to 24 July 20112012: 17 April 2012 to 1 September 20122013: 1 June 2013 to 12 September 20132014: 2 July 2014 to 24 July 20142015: 13 July 2015 to 10 September 20152016: 27 May 2016 to 27 August 20162017: 18 May 2017 to 26 September 20172018: 18 June 2018 to 7 September 20182019: 29 June 2019 to 20 August 20192020: 19 June 2020 to 25 August 20202021: 22 May 2021 to 28 August 20212022: 23 May 2022 to 31 August 20222023: 15 April 2023 to 8 September 20232024: 23 May 2024 to 3 August 20242025: 6 June 2025 to 18 August 20252026: 20 May 2026 to 8 August 20262008201120142017202020232026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ashburnham meeting 30 C (86 F).
First to last qualifying date each year at Ashburnham
YearFirst dateLast date
20082008-06-082008-07-20
20092009-04-292009-08-20
20102010-05-032010-09-03
20112011-05-282011-07-24
20122012-04-172012-09-01
20132013-06-012013-09-12
20142014-07-022014-07-24
20152015-07-132015-09-10
20162016-05-272016-08-27
20172017-05-182017-09-26
20182018-06-182018-09-07
20192019-06-292019-08-20
20202020-06-192020-08-25
20212021-05-222021-08-28
20222022-05-232022-08-31
20232023-04-152023-09-08
20242024-05-232024-08-03
20252025-06-062025-08-18
20262026-05-202026-08-08

Every Fixed Threshold

Fixed thresholds at Ashburnham
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1923201812
35 C (95 F): Days3120101
90 F (32.2 C): Days171020254
0 C (32 F): Ice days (max1967202543
0 C (32 F): Frost days (min19167201899
-10 C (14 F): Days with min1969201538
-20 C (-4 F): Days with min1211201510
20 C (68 F): Tropical nights (min18920244
10 mm (0.39 in): Days with 10 mm or more rain8158198325
25 mm (0.98 in): Days with 25 mm or more rain812419838
50 mm (1.97 in): Days with 50 mm or more rain64519692
100 mm (3.94 in): Days with 100 mm or more rain8219441
10 cm (3.9 in): Days with 10 cm or more snowfall751819564
25 cm (9.8 in): Days with 25 cm or more snowfall39419611
50 cm (19.7 in): Days with 50 cm or more snowfall4119871

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2008.

Download the Data

  • Data for Ashburnham 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).