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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

The Bluestone Threshold Days by Year

4 fixed thresholds counted per year at The Bluestone (ASN00041528): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for The Bluestone Thresholds

  • The Bluestone: days with 10 mm (0.39 in) or more of precipitation in 24 years, most in 2010 with 30.
  • The Bluestone: days with 25 mm (0.98 in) or more of precipitation in 24 years, most in 2010 with 14.
  • The Bluestone: days with 50 mm (1.97 in) or more of precipitation in 18 years, most in 2010 with 5.
  • The Bluestone: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 2006 with 1.
  • 4 fixed thresholds have at least one qualifying day at The Bluestone.
24 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at The Bluestone Days per year at The Bluestone with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 2010. 01020301996: 221997: 151998: 291999: 222000: 162001: 232002: 182003: 152004: 262005: 142006: 182007: 202008: 212009: 222010: 302011: 212018: 212019: 82020: 212021: 232022: 302023: 152024: 242025: 2219961999200220052008201120202023
Days per year at The Bluestone with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 2010.
Days with 10 mm (0.39 in) or more of precipitation per year at The Bluestone
YearDaysDecade average
19962222
19971522
19982922
19992222
20001619.3
20012319.3
20021819.3
20031519.3
20042619.3
20051419.3
20061819.3
20072019.3
20082119.3
20092219.3
20103020
20112120
20182120
2019820
20202122.5
20212322.5
20223022.5
20231522.5
20242422.5
20252222.5
First to last qualifying date each year at The Bluestone For each year, a bar from the first to the last day at The Bluestone meeting 10 mm (0.39 in). 1996: 3 January 1996 to 31 December 19961997: 12 February 1997 to 24 December 19971998: 29 January 1998 to 21 December 19981999: 1 January 1999 to 28 December 19992000: 2 January 2000 to 29 December 20002001: 9 January 2001 to 16 December 20012002: 1 January 2002 to 26 December 20022003: 20 February 2003 to 10 December 20032004: 8 January 2004 to 28 December 20042005: 7 January 2005 to 9 December 20052006: 5 January 2006 to 28 December 20062007: 4 January 2007 to 23 December 20072008: 4 February 2008 to 28 December 20082009: 18 January 2009 to 30 December 20092010: 4 January 2010 to 28 December 20102011: 7 January 2011 to 19 December 20112018: 3 February 2018 to 22 December 20182019: 15 March 2019 to 25 December 20192020: 17 January 2020 to 23 December 20202021: 7 January 2021 to 26 December 20212022: 17 January 2022 to 8 December 20222023: 25 January 2023 to 26 December 20232024: 10 January 2024 to 31 December 20242025: 9 January 2025 to 30 November 202519961999200220052008201120202023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at The Bluestone meeting 10 mm (0.39 in).
First to last qualifying date each year at The Bluestone
YearFirst dateLast date
19961996-01-031996-12-31
19971997-02-121997-12-24
19981998-01-291998-12-21
19991999-01-011999-12-28
20002000-01-022000-12-29
20012001-01-092001-12-16
20022002-01-012002-12-26
20032003-02-202003-12-10
20042004-01-082004-12-28
20052005-01-072005-12-09
20062006-01-052006-12-28
20072007-01-042007-12-23
20082008-02-042008-12-28
20092009-01-182009-12-30
20102010-01-042010-12-28
20112011-01-072011-12-19
20182018-02-032018-12-22
20192019-03-152019-12-25
20202020-01-172020-12-23
20212021-01-072021-12-26
20222022-01-172022-12-08
20232023-01-252023-12-26
20242024-01-102024-12-31
20252025-01-092025-11-30

Every Fixed Threshold

Fixed thresholds at The Bluestone
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2430201022
25 mm (0.98 in): Days with 25 mm or more rain241420104
50 mm (1.97 in): Days with 50 mm or more rain18520101
100 mm (3.94 in): Days with 100 mm or more rain1120061

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1996.

Download the Data

  • Data for The Bluestone 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).