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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Dachen Dao Threshold Days by Year (CHM00058666)

12 fixed thresholds counted per year at Dachen Dao (CHM00058666): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dachen Dao Thresholds

  • Dachen Dao: days with a maximum temperature at or above 30 C (86 F) in 36 years, most in 2024 with 63.
  • Dachen Dao: days with 10 mm (0.39 in) or more of precipitation in 23 years, most in 2021 with 51.
  • Dachen Dao: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 2021 with 21.
  • Dachen Dao: days with 50 mm (1.97 in) or more of precipitation in 21 years, most in 1994 with 8.
  • 12 fixed thresholds have at least one qualifying day at Dachen Dao.
36 years with a qualifying day
Days at or above 30 C (86 F) per year at Dachen Dao Days per year at Dachen Dao with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 63 in 2024. 0204060801964: 251979: 191980: 81983: 41984: 61985: 41986: 231988: 141992: 91993: 71994: 351995: 161996: 221997: 41998: 171999: 162000: 102001: 262002: 132003: 372004: 262005: 42006: 282007: 172008: 122009: 272010: 312011: 162012: 222014: 232020: 392021: 392022: 442023: 442024: 632025: 32196419841992199620002004200820122022
Days per year at Dachen Dao with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 63 in 2024.
Days at or above 30 C (86 F) per year at Dachen Dao
YearDaysDecade average
19642525
19791919
198089.8
198349.8
198469.8
198549.8
1986239.8
1988149.8
1992915.8
1993715.8
19943515.8
19951615.8
19962215.8
1997415.8
19981715.8
19991615.8
20001020
20012620
20021320
20033720
20042620
2005420
20062820
20071720
20081220
20092720
20103123
20111623
20122223
20142323
20203943.5
20213943.5
20224443.5
20234443.5
20246343.5
20253243.5
First to last qualifying date each year at Dachen Dao For each year, a bar from the first to the last day at Dachen Dao meeting 30 C (86 F). 1964: 25 July 1964 to 18 September 19641979: 27 July 1979 to 26 August 19791980: 9 July 1980 to 3 September 19801983: 6 August 1983 to 19 August 19831984: 17 July 1984 to 6 August 19841985: 14 July 1985 to 9 September 19851986: 30 July 1986 to 11 September 19861988: 9 July 1988 to 16 August 19881992: 25 July 1992 to 13 September 19921993: 31 July 1993 to 26 August 19931994: 4 July 1994 to 10 September 19941995: 17 July 1995 to 10 September 19951996: 20 July 1996 to 28 August 19961997: 29 July 1997 to 28 August 19971998: 8 July 1998 to 27 August 19981999: 23 July 1999 to 18 September 19992000: 16 July 2000 to 4 September 20002001: 4 July 2001 to 23 August 20012002: 13 June 2002 to 2 September 20022003: 15 July 2003 to 18 September 20032004: 28 June 2004 to 29 August 20042005: 15 July 2005 to 13 September 20052006: 8 July 2006 to 4 September 20062007: 21 July 2007 to 30 August 20072008: 15 July 2008 to 24 September 20082009: 10 July 2009 to 25 September 20092010: 19 July 2010 to 22 September 20102011: 24 June 2011 to 21 August 20112012: 8 July 2012 to 28 August 20122014: 28 May 2014 to 9 September 20142020: 16 May 2020 to 8 September 20202021: 16 June 2021 to 11 September 20212022: 9 July 2022 to 31 August 20222023: 2 June 2023 to 1 October 20232024: 15 July 2024 to 22 September 20242025: 29 June 2025 to 24 August 202519641985199419992004200920202025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Dachen Dao meeting 30 C (86 F).
First to last qualifying date each year at Dachen Dao
YearFirst dateLast date
19641964-07-251964-09-18
19791979-07-271979-08-26
19801980-07-091980-09-03
19831983-08-061983-08-19
19841984-07-171984-08-06
19851985-07-141985-09-09
19861986-07-301986-09-11
19881988-07-091988-08-16
19921992-07-251992-09-13
19931993-07-311993-08-26
19941994-07-041994-09-10
19951995-07-171995-09-10
19961996-07-201996-08-28
19971997-07-291997-08-28
19981998-07-081998-08-27
19991999-07-231999-09-18
20002000-07-162000-09-04
20012001-07-042001-08-23
20022002-06-132002-09-02
20032003-07-152003-09-18
20042004-06-282004-08-29
20052005-07-152005-09-13
20062006-07-082006-09-04
20072007-07-212007-08-30
20082008-07-152008-09-24
20092009-07-102009-09-25
20102010-07-192010-09-22
20112011-06-242011-08-21
20122012-07-082012-08-28
20142014-05-282014-09-09
20202020-05-162020-09-08
20212021-06-162021-09-11
20222022-07-092022-08-31
20232023-06-022023-10-01
20242024-07-152024-09-22
20252025-06-292025-08-24

Every Fixed Threshold

Fixed thresholds at Dachen Dao
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3663202432
35 C (95 F): Days2119641
90 F (32.2 C): Days11920249
0 C (32 F): Ice days (max1419804
0 C (32 F): Frost days (min5620213
20 C (68 F): Tropical nights (min6137202191
25 C (77 F): Days with min675202454
10 mm (0.39 in): Days with 10 mm or more rain2351202123
25 mm (0.98 in): Days with 25 mm or more rain232120219
50 mm (1.97 in): Days with 50 mm or more rain21819943
100 mm (3.94 in): Days with 100 mm or more rain11319941
200 mm (7.87 in): Days with 200 mm or more rain10n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

  • Data for Dachen Dao 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).