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Built 2026-10-15 (15 October 2026)

Diamond Rim Threshold Days by Year

9 fixed thresholds counted per year at Diamond Rim (USR0000DIAM): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Diamond Rim Thresholds

  • Diamond Rim: days with a maximum temperature at or below 0 C (32 F) in 42 years, most in 2019 with 90.
  • Diamond Rim: nights with a minimum temperature at or below 0 C (32 F) in 42 years, most in 2011 with 207.
  • Diamond Rim: nights with a minimum temperature at or below -10 C (14 F) in 42 years, most in 1997 with 76.
  • Diamond Rim: days with a maximum temperature at or above 30 C (86 F) in 38 years, most in 2003 with 37.
  • 9 fixed thresholds have at least one qualifying day at Diamond Rim.
38 years with a qualifying day
Days at or above 30 C (86 F) per year at Diamond Rim Days per year at Diamond Rim with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 37 in 2003. 0102030401985: 11988: 51989: 91991: 21992: 51994: 141995: 31996: 71997: 11998: 91999: 22000: 162001: 62002: 332003: 372004: 52005: 132006: 152007: 252008: 112009: 92010: 112011: 72012: 242013: 222014: 62015: 32016: 72017: 82018: 212019: 72020: 202021: 242022: 222023: 82024: 72025: 152026: 281985199219972001200520092013201720212025
Days per year at Diamond Rim with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 37 in 2003.
Days at or above 30 C (86 F) per year at Diamond Rim
YearDaysDecade average
198515
198855
198995
199125.4
199255.4
1994145.4
199535.4
199675.4
199715.4
199895.4
199925.4
20001617
2001617
20023317
20033717
2004517
20051317
20061517
20072517
20081117
2009917
20101111.6
2011711.6
20122411.6
20132211.6
2014611.6
2015311.6
2016711.6
2017811.6
20182111.6
2019711.6
20202017.7
20212417.7
20222217.7
2023817.7
2024717.7
20251517.7
20262817.7
First to last qualifying date each year at Diamond Rim For each year, a bar from the first to the last day at Diamond Rim meeting 30 C (86 F). 1985: 6 July 1985 to 6 July 19851988: 24 June 1988 to 25 August 19881989: 4 July 1989 to 21 July 19891991: 16 July 1991 to 30 August 19911992: 9 August 1992 to 15 August 19921994: 25 June 1994 to 17 August 19941995: 28 July 1995 to 1 September 19951996: 2 July 1996 to 13 August 19961997: 16 July 1997 to 16 July 19971998: 14 July 1998 to 7 August 19981999: 6 July 1999 to 23 July 19992000: 13 July 2000 to 12 August 20002001: 30 June 2001 to 6 August 20012002: 31 May 2002 to 17 August 20022003: 30 June 2003 to 20 August 20032004: 12 July 2004 to 15 August 20042005: 7 July 2005 to 29 July 20052006: 6 June 2006 to 29 July 20062007: 22 June 2007 to 16 August 20072008: 3 July 2008 to 24 August 20082009: 17 July 2009 to 22 August 20092010: 15 July 2010 to 31 July 20102011: 24 July 2011 to 24 August 20112012: 23 June 2012 to 29 August 20122013: 10 June 2013 to 30 August 20132014: 5 July 2014 to 25 July 20142015: 28 June 2015 to 2 July 20152016: 20 June 2016 to 2 August 20162017: 5 July 2017 to 3 September 20172018: 26 June 2018 to 12 August 20182019: 12 July 2019 to 2 September 20192020: 10 July 2020 to 6 September 20202021: 13 June 2021 to 14 August 20212022: 11 June 2022 to 8 September 20222023: 17 July 2023 to 17 August 20232024: 10 July 2024 to 6 August 20242025: 19 June 2025 to 21 August 20252026: 5 July 2026 to 21 August 202619851994199920042009201420192024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Diamond Rim meeting 30 C (86 F).
First to last qualifying date each year at Diamond Rim
YearFirst dateLast date
19851985-07-061985-07-06
19881988-06-241988-08-25
19891989-07-041989-07-21
19911991-07-161991-08-30
19921992-08-091992-08-15
19941994-06-251994-08-17
19951995-07-281995-09-01
19961996-07-021996-08-13
19971997-07-161997-07-16
19981998-07-141998-08-07
19991999-07-061999-07-23
20002000-07-132000-08-12
20012001-06-302001-08-06
20022002-05-312002-08-17
20032003-06-302003-08-20
20042004-07-122004-08-15
20052005-07-072005-07-29
20062006-06-062006-07-29
20072007-06-222007-08-16
20082008-07-032008-08-24
20092009-07-172009-08-22
20102010-07-152010-07-31
20112011-07-242011-08-24
20122012-06-232012-08-29
20132013-06-102013-08-30
20142014-07-052014-07-25
20152015-06-282015-07-02
20162016-06-202016-08-02
20172017-07-052017-09-03
20182018-06-262018-08-12
20192019-07-122019-09-02
20202020-07-102020-09-06
20212021-06-132021-08-14
20222022-06-112022-09-08
20232023-07-172023-08-17
20242024-07-102024-08-06
20252025-06-192025-08-21
20262026-07-052026-08-21

Every Fixed Threshold

Fixed thresholds at Diamond Rim
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3837200328
35 C (95 F): Days2220021
90 F (32.2 C): Days1814200212
0 C (32 F): Ice days (max4290201917
0 C (32 F): Frost days (min422072011103
-10 C (14 F): Days with min4276199711
-20 C (-4 F): Days with min29819902
-30 C (-22 F): Days with min1419904
20 C (68 F): Tropical nights (min6119936

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1985.

Download the Data

  • Data for Diamond Rim 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-14).