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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Belair Threshold Days by Year

3 fixed thresholds counted per year at Belair (ASN00023846): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Belair Thresholds

  • Belair: days with 10 mm (0.39 in) or more of precipitation in 22 years, most in 2009 with 29.
  • Belair: days with 25 mm (0.98 in) or more of precipitation in 21 years, most in 2010 with 6.
  • Belair: days with 50 mm (1.97 in) or more of precipitation in 5 years, most in 2005 with 1.
  • 3 fixed thresholds have at least one qualifying day at Belair.
22 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Belair Days per year at Belair with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 2009. 01020301990: 182002: 152003: 262004: 252005: 282006: 182007: 162008: 192009: 292010: 262011: 182012: 92013: 242017: 262018: 182019: 182020: 212021: 232022: 272023: 182024: 172025: 1819902004200720102013201920222025
Days per year at Belair with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 2009.
Days with 10 mm (0.39 in) or more of precipitation per year at Belair
YearDaysDecade average
19901818
20021522
20032622
20042522
20052822
20061822
20071622
20081922
20092922
20102619.9
20111819.9
2012919.9
20132419.9
20172619.9
20181819.9
20191819.9
20202120.7
20212320.7
20222720.7
20231820.7
20241720.7
20251820.7
First to last qualifying date each year at Belair For each year, a bar from the first to the last day at Belair meeting 10 mm (0.39 in). 1990: 11 January 1990 to 10 December 19902002: 26 March 2002 to 26 November 20022003: 1 January 2003 to 22 December 20032004: 29 March 2004 to 10 December 20042005: 20 January 2005 to 16 December 20052006: 2 January 2006 to 22 December 20062007: 7 January 2007 to 22 December 20072008: 24 January 2008 to 13 December 20082009: 4 March 2009 to 29 November 20092010: 6 April 2010 to 8 December 20102011: 14 January 2011 to 17 August 20112012: 8 January 2012 to 11 October 20122013: 22 April 2013 to 23 October 20132017: 13 January 2017 to 1 December 20172018: 14 April 2018 to 22 November 20182019: 9 February 2019 to 2 December 20192020: 20 January 2020 to 30 October 20202021: 26 January 2021 to 12 November 20212022: 8 January 2022 to 21 November 20222023: 29 January 2023 to 12 December 20232024: 7 January 2024 to 3 December 20242025: 21 March 2025 to 29 November 202519902004200720102013201920222025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Belair meeting 10 mm (0.39 in).
First to last qualifying date each year at Belair
YearFirst dateLast date
19901990-01-111990-12-10
20022002-03-262002-11-26
20032003-01-012003-12-22
20042004-03-292004-12-10
20052005-01-202005-12-16
20062006-01-022006-12-22
20072007-01-072007-12-22
20082008-01-242008-12-13
20092009-03-042009-11-29
20102010-04-062010-12-08
20112011-01-142011-08-17
20122012-01-082012-10-11
20132013-04-222013-10-23
20172017-01-132017-12-01
20182018-04-142018-11-22
20192019-02-092019-12-02
20202020-01-202020-10-30
20212021-01-262021-11-12
20222022-01-082022-11-21
20232023-01-292023-12-12
20242024-01-072024-12-03
20252025-03-212025-11-29

Every Fixed Threshold

Fixed thresholds at Belair
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2229200918
25 mm (0.98 in): Days with 25 mm or more rain21620102
50 mm (1.97 in): Days with 50 mm or more rain5120051

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1990.

Download the Data

  • Data for Belair 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 (2025-12-31).