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Built 2026-10-19 (19 October 2026)

Diamond Peak Threshold Days by Year (USS0015K03S)

10 fixed thresholds counted per year at Diamond Peak (USS0015K03S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Diamond Peak Thresholds

  • Diamond Peak: days with 10 mm (0.39 in) or more of precipitation in 43 years, most in 1998 with 31.
  • Diamond Peak: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1987 with 6.
  • Diamond Peak: days with a maximum temperature at or below 0 C (32 F) in 29 years, most in 1994 with 49.
  • Diamond Peak: nights with a minimum temperature at or below 0 C (32 F) in 28 years, most in 1998 with 213.
  • 10 fixed thresholds have at least one qualifying day at Diamond Peak.
23 years with a qualifying day
Days at or above 30 C (86 F) per year at Diamond Peak Days per year at Diamond Peak with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 13 in 2003. 0510151991: 11992: 21994: 61996: 61997: 11998: 62000: 92001: 112002: 122003: 132004: 12005: 62006: 52007: 42008: 22009: 32010: 22012: 42013: 122014: 32015: 42018: 32026: 1119911996200020032006200920132018
Days per year at Diamond Peak with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 13 in 2003.
Days at or above 30 C (86 F) per year at Diamond Peak
YearDaysDecade average
199113.7
199223.7
199463.7
199663.7
199713.7
199863.7
200096.6
2001116.6
2002126.6
2003136.6
200416.6
200566.6
200656.6
200746.6
200826.6
200936.6
201024.7
201244.7
2013124.7
201434.7
201544.7
201834.7
20261111
First to last qualifying date each year at Diamond Peak For each year, a bar from the first to the last day at Diamond Peak meeting 30 C (86 F). 1991: 5 July 1991 to 5 July 19911992: 29 July 1992 to 14 August 19921994: 26 July 1994 to 16 August 19941996: 7 July 1996 to 12 August 19961997: 7 August 1997 to 7 August 19971998: 16 July 1998 to 29 August 19982000: 21 July 2000 to 6 August 20002001: 30 June 2001 to 28 August 20012002: 30 June 2002 to 17 August 20022003: 5 July 2003 to 30 July 20032004: 11 August 2004 to 11 August 20042005: 13 July 2005 to 20 July 20052006: 16 July 2006 to 27 July 20062007: 4 July 2007 to 10 July 20072008: 25 July 2008 to 1 August 20082009: 17 July 2009 to 21 August 20092010: 15 July 2010 to 18 July 20102012: 8 July 2012 to 11 July 20122013: 27 June 2013 to 22 July 20132014: 13 July 2014 to 25 July 20142015: 27 June 2015 to 15 August 20152018: 18 July 2018 to 10 August 20182026: 10 July 2026 to 8 August 202619911996200020032006200920132018JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Diamond Peak meeting 30 C (86 F).
First to last qualifying date each year at Diamond Peak
YearFirst dateLast date
19911991-07-051991-07-05
19921992-07-291992-08-14
19941994-07-261994-08-16
19961996-07-071996-08-12
19971997-08-071997-08-07
19981998-07-161998-08-29
20002000-07-212000-08-06
20012001-06-302001-08-28
20022002-06-302002-08-17
20032003-07-052003-07-30
20042004-08-112004-08-11
20052005-07-132005-07-20
20062006-07-162006-07-27
20072007-07-042007-07-10
20082008-07-252008-08-01
20092009-07-172009-08-21
20102010-07-152010-07-18
20122012-07-082012-07-11
20132013-06-272013-07-22
20142014-07-132014-07-25
20152015-06-272015-08-15
20182018-07-182018-08-10
20262026-07-102026-08-08

Every Fixed Threshold

Fixed thresholds at Diamond Peak
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2313200311
90 F (32.2 C): Days8420023
0 C (32 F): Ice days (max2949199413
0 C (32 F): Frost days (min28213199891
-10 C (14 F): Days with min2853199710
-20 C (-4 F): Days with min12520132
20 C (68 F): Tropical nights (min3120021
10 mm (0.39 in): Days with 10 mm or more rain4331199811
25 mm (0.98 in): Days with 25 mm or more rain36619873
50 mm (1.97 in): Days with 50 mm or more rain2119841

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1991.

Download the Data

  • Data for Diamond Peak 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).