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Built 2026-10-19 (19 October 2026)

Quartz Mountain Threshold Days by Year (USS0020G06S)

12 fixed thresholds counted per year at Quartz Mountain (USS0020G06S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Quartz Mountain Thresholds

  • Quartz Mountain: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1982 with 31.
  • Quartz Mountain: days with a maximum temperature at or above 30 C (86 F) in 40 years, most in 2021 with 34.
  • Quartz Mountain: days with a maximum temperature at or below 0 C (32 F) in 40 years, most in 1999 with 46.
  • Quartz Mountain: nights with a minimum temperature at or below 0 C (32 F) in 35 years, most in 1998 with 194.
  • 12 fixed thresholds have at least one qualifying day at Quartz Mountain.
40 years with a qualifying day
Days at or above 30 C (86 F) per year at Quartz Mountain Days per year at Quartz Mountain with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 34 in 2021. 0102030401984: 141985: 241986: 311987: 261988: 271990: 271991: 171992: 231993: 41994: 151995: 41996: 181997: 31998: 191999: 42000: 62001: 62002: 122003: 152004: 92006: 132007: 102008: 82009: 42010: 12012: 62013: 92014: 62015: 92016: 52017: 152018: 62019: 12020: 122021: 342022: 232023: 52024: 202025: 122026: 101984198819931997200120062010201520192023
Days per year at Quartz Mountain with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 34 in 2021.
Days at or above 30 C (86 F) per year at Quartz Mountain
YearDaysDecade average
19841424.4
19852424.4
19863124.4
19872624.4
19882724.4
19902713.4
19911713.4
19922313.4
1993413.4
19941513.4
1995413.4
19961813.4
1997313.4
19981913.4
1999413.4
200069.2
200169.2
2002129.2
2003159.2
200499.2
2006139.2
2007109.2
200889.2
200949.2
201016.4
201266.4
201396.4
201466.4
201596.4
201656.4
2017156.4
201866.4
201916.4
20201216.6
20213416.6
20222316.6
2023516.6
20242016.6
20251216.6
20261016.6
First to last qualifying date each year at Quartz Mountain For each year, a bar from the first to the last day at Quartz Mountain meeting 30 C (86 F). 1984: 29 May 1984 to 18 September 19841985: 17 June 1985 to 25 August 19851986: 29 May 1986 to 6 September 19861987: 13 June 1987 to 1 October 19871988: 19 June 1988 to 1 October 19881990: 21 June 1990 to 10 September 19901991: 2 July 1991 to 25 September 19911992: 6 May 1992 to 19 August 19921993: 1 August 1993 to 9 September 19931994: 8 July 1994 to 27 September 19941995: 17 July 1995 to 14 September 19951996: 7 July 1996 to 8 October 19961997: 5 August 1997 to 7 August 19971998: 16 July 1998 to 4 September 19981999: 11 July 1999 to 26 August 19992000: 29 July 2000 to 8 August 20002001: 3 July 2001 to 30 August 20012002: 25 June 2002 to 15 August 20022003: 17 June 2003 to 3 September 20032004: 23 July 2004 to 30 August 20042006: 24 June 2006 to 27 July 20062007: 4 July 2007 to 29 August 20072008: 28 June 2008 to 29 August 20082009: 31 July 2009 to 20 August 20092010: 25 August 2010 to 25 August 20102012: 4 August 2012 to 17 August 20122013: 30 June 2013 to 25 July 20132014: 1 July 2014 to 28 July 20142015: 25 June 2015 to 11 September 20152016: 27 July 2016 to 19 August 20162017: 25 June 2017 to 5 September 20172018: 24 July 2018 to 10 August 20182019: 27 August 2019 to 27 August 20192020: 20 July 2020 to 7 September 20202021: 2 June 2021 to 7 September 20212022: 12 July 2022 to 10 September 20222023: 15 July 2023 to 15 August 20232024: 5 July 2024 to 6 September 20242025: 30 June 2025 to 2 September 20252026: 30 July 2026 to 19 August 202619841990199520002006201220172022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Quartz Mountain meeting 30 C (86 F).
First to last qualifying date each year at Quartz Mountain
YearFirst dateLast date
19841984-05-291984-09-18
19851985-06-171985-08-25
19861986-05-291986-09-06
19871987-06-131987-10-01
19881988-06-191988-10-01
19901990-06-211990-09-10
19911991-07-021991-09-25
19921992-05-061992-08-19
19931993-08-011993-09-09
19941994-07-081994-09-27
19951995-07-171995-09-14
19961996-07-071996-10-08
19971997-08-051997-08-07
19981998-07-161998-09-04
19991999-07-111999-08-26
20002000-07-292000-08-08
20012001-07-032001-08-30
20022002-06-252002-08-15
20032003-06-172003-09-03
20042004-07-232004-08-30
20062006-06-242006-07-27
20072007-07-042007-08-29
20082008-06-282008-08-29
20092009-07-312009-08-20
20102010-08-252010-08-25
20122012-08-042012-08-17
20132013-06-302013-07-25
20142014-07-012014-07-28
20152015-06-252015-09-11
20162016-07-272016-08-19
20172017-06-252017-09-05
20182018-07-242018-08-10
20192019-08-272019-08-27
20202020-07-202020-09-07
20212021-06-022021-09-07
20222022-07-122022-09-10
20232023-07-152023-08-15
20242024-07-052024-09-06
20252025-06-302025-09-02
20262026-07-302026-08-19

Every Fixed Threshold

Fixed thresholds at Quartz Mountain
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4034202110
35 C (95 F): Days7519881
90 F (32.2 C): Days271719883
100 F (37.8 C): Days2119921
0 C (32 F): Ice days (max404619996
0 C (32 F): Frost days (min35194199889
-10 C (14 F): Days with min352619992
-20 C (-4 F): Days with min3219981
20 C (68 F): Tropical nights (min2220222
10 mm (0.39 in): Days with 10 mm or more rain4631198213
25 mm (0.98 in): Days with 25 mm or more rain30519813
50 mm (1.97 in): Days with 50 mm or more rain2119811

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1984.

Download the Data

  • Data for Quartz Mountain 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).