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Built 2026-10-19 (19 October 2026)

Stampede Pass Threshold Days by Year (USS0021B10S)

13 fixed thresholds counted per year at Stampede Pass (USS0021B10S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Stampede Pass Thresholds

  • Stampede Pass: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1990 with 113.
  • Stampede Pass: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1990 with 42.
  • Stampede Pass: days with 50 mm (1.97 in) or more of precipitation in 44 years, most in 1990 with 15.
  • Stampede Pass: days with a maximum temperature at or below 0 C (32 F) in 37 years, most in 2017 with 104.
  • 13 fixed thresholds have at least one qualifying day at Stampede Pass.
25 years with a qualifying day
Days at or above 30 C (86 F) per year at Stampede Pass Days per year at Stampede Pass with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 12 in 1998. 0510151990: 41992: 71993: 11994: 31995: 51996: 91998: 121999: 22001: 32002: 42003: 82004: 82005: 32006: 72007: 12008: 22015: 12018: 22020: 12021: 52022: 42023: 32024: 12025: 12026: 1199019941998200220052008202020232026
Days per year at Stampede Pass with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 12 in 1998.
Days at or above 30 C (86 F) per year at Stampede Pass
YearDaysDecade average
199045.4
199275.4
199315.4
199435.4
199555.4
199695.4
1998125.4
199925.4
200134.5
200244.5
200384.5
200484.5
200534.5
200674.5
200714.5
200824.5
201511.5
201821.5
202012.3
202152.3
202242.3
202332.3
202412.3
202512.3
202612.3
First to last qualifying date each year at Stampede Pass For each year, a bar from the first to the last day at Stampede Pass meeting 30 C (86 F). 1990: 11 July 1990 to 12 August 19901992: 22 June 1992 to 17 August 19921993: 4 August 1993 to 4 August 19931994: 20 July 1994 to 22 July 19941995: 17 July 1995 to 3 September 19951996: 13 July 1996 to 24 August 19961998: 21 July 1998 to 1 September 19981999: 23 August 1999 to 27 August 19992001: 9 August 2001 to 15 August 20012002: 10 July 2002 to 13 September 20022003: 28 June 2003 to 3 September 20032004: 21 June 2004 to 13 August 20042005: 28 May 2005 to 4 August 20052006: 17 May 2006 to 23 July 20062007: 11 July 2007 to 11 July 20072008: 29 June 2008 to 16 August 20082015: 27 June 2015 to 27 June 20152018: 30 July 2018 to 8 August 20182020: 30 July 2020 to 30 July 20202021: 26 June 2021 to 30 July 20212022: 26 July 2022 to 17 August 20222023: 14 August 2023 to 16 August 20232024: 9 July 2024 to 9 July 20242025: 2 September 2025 to 2 September 20252026: 22 July 2026 to 22 July 20261990199520012005201520222026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Stampede Pass meeting 30 C (86 F).
First to last qualifying date each year at Stampede Pass
YearFirst dateLast date
19901990-07-111990-08-12
19921992-06-221992-08-17
19931993-08-041993-08-04
19941994-07-201994-07-22
19951995-07-171995-09-03
19961996-07-131996-08-24
19981998-07-211998-09-01
19991999-08-231999-08-27
20012001-08-092001-08-15
20022002-07-102002-09-13
20032003-06-282003-09-03
20042004-06-212004-08-13
20052005-05-282005-08-04
20062006-05-172006-07-23
20072007-07-112007-07-11
20082008-06-292008-08-16
20152015-06-272015-06-27
20182018-07-302018-08-08
20202020-07-302020-07-30
20212021-06-262021-07-30
20222022-07-262022-08-17
20232023-08-142023-08-16
20242024-07-092024-07-09
20252025-09-022025-09-02
20262026-07-222026-07-22

Every Fixed Threshold

Fixed thresholds at Stampede Pass
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days251219981
35 C (95 F): Days3119981
90 F (32.2 C): Days8619983
0 C (32 F): Ice days (max37104201738
0 C (32 F): Frost days (min37200200193
-10 C (14 F): Days with min342719935
-20 C (-4 F): Days with min5519903
20 C (68 F): Tropical nights (min3320211
10 mm (0.39 in): Days with 10 mm or more rain44113199037
25 mm (0.98 in): Days with 25 mm or more rain4442199011
50 mm (1.97 in): Days with 50 mm or more rain441519902
100 mm (3.94 in): Days with 100 mm or more rain23319901
200 mm (7.87 in): Days with 200 mm or more rain1120061

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 Stampede Pass 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).