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Built 2026-10-19 (19 October 2026)

White Pass E.S. Threshold Days by Year (USS0021C28S)

11 fixed thresholds counted per year at White Pass E.S. (USS0021C28S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for White Pass E.S. Thresholds

  • White Pass E.S.: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1996 with 60.
  • White Pass E.S.: days with 25 mm (0.98 in) or more of precipitation in 46 years, most in 1996 with 18.
  • White Pass E.S.: days with a maximum temperature at or below 0 C (32 F) in 36 years, most in 2000 with 106.
  • White Pass E.S.: nights with a minimum temperature at or below 0 C (32 F) in 35 years, most in 2001 with 220.
  • 11 fixed thresholds have at least one qualifying day at White Pass E.S..
21 years with a qualifying day
Days at or above 30 C (86 F) per year at White Pass E.S. Days per year at White Pass E.S. with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 2022. 024681994: 31996: 41998: 52002: 12003: 22004: 32006: 22007: 12008: 42009: 32010: 62015: 52017: 22018: 22020: 22021: 62022: 82023: 32024: 42025: 12026: 11994200220062009201720212024
Days per year at White Pass E.S. with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 2022.
Days at or above 30 C (86 F) per year at White Pass E.S.
YearDaysDecade average
199434
199644
199854
200212.3
200322.3
200432.3
200622.3
200712.3
200842.3
200932.3
201063.8
201553.8
201723.8
201823.8
202023.6
202163.6
202283.6
202333.6
202443.6
202513.6
202613.6
First to last qualifying date each year at White Pass E.S. For each year, a bar from the first to the last day at White Pass E.S. meeting 30 C (86 F). 1994: 21 July 1994 to 24 July 19941996: 14 July 1996 to 24 August 19961998: 26 July 1998 to 4 August 19982002: 13 August 2002 to 13 August 20022003: 29 July 2003 to 3 September 20032004: 24 July 2004 to 13 August 20042006: 21 July 2006 to 23 July 20062007: 11 July 2007 to 11 July 20072008: 29 June 2008 to 17 August 20082009: 28 July 2009 to 1 August 20092010: 8 July 2010 to 25 August 20102015: 26 June 2015 to 1 August 20152017: 3 August 2017 to 10 August 20172018: 8 August 2018 to 9 August 20182020: 30 July 2020 to 16 August 20202021: 27 June 2021 to 13 August 20212022: 26 July 2022 to 17 August 20222023: 14 August 2023 to 16 August 20232024: 8 July 2024 to 1 August 20242025: 3 September 2025 to 3 September 20252026: 22 July 2026 to 22 July 20261994200220062009201720212024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at White Pass E.S. meeting 30 C (86 F).
First to last qualifying date each year at White Pass E.S.
YearFirst dateLast date
19941994-07-211994-07-24
19961996-07-141996-08-24
19981998-07-261998-08-04
20022002-08-132002-08-13
20032003-07-292003-09-03
20042004-07-242004-08-13
20062006-07-212006-07-23
20072007-07-112007-07-11
20082008-06-292008-08-17
20092009-07-282009-08-01
20102010-07-082010-08-25
20152015-06-262015-08-01
20172017-08-032017-08-10
20182018-08-082018-08-09
20202020-07-302020-08-16
20212021-06-272021-08-13
20222022-07-262022-08-17
20232023-08-142023-08-16
20242024-07-082024-08-01
20252025-09-032025-09-03
20262026-07-222026-07-22

Every Fixed Threshold

Fixed thresholds at White Pass E.S.
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days21820221
35 C (95 F): Days1120211
90 F (32.2 C): Days4220211
0 C (32 F): Ice days (max36106200023
0 C (32 F): Frost days (min352202001111
-10 C (14 F): Days with min353219964
-20 C (-4 F): Days with min14619961
10 mm (0.39 in): Days with 10 mm or more rain4660199620
25 mm (0.98 in): Days with 25 mm or more rain461819964
50 mm (1.97 in): Days with 50 mm or more rain31819962
100 mm (3.94 in): Days with 100 mm or more rain2120061

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1994.

Download the Data

  • Data for White Pass E.S. 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).