Daily records
Page built 2026-10-15
Data as of 2025-12-31
Search
Built 2026-10-15 (15 October 2026)

Hyder Threshold Days by Year

13 fixed thresholds counted per year at Hyder (USC00503821): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hyder Thresholds

  • Hyder: nights with a minimum temperature at or below 0 C (32 F) in 14 years, most in 2006 with 173.
  • Hyder: nights with a minimum temperature at or below -10 C (14 F) in 14 years, most in 1937 with 40.
  • Hyder: days with a maximum temperature at or below 0 C (32 F) in 13 years, most in 1937 with 66.
  • Hyder: days with 10 cm (3.9 in) or more of snowfall in 13 years, most in 2006 with 24.
  • 13 fixed thresholds have at least one qualifying day at Hyder.
11 years with a qualifying day
Days at or above 30 C (86 F) per year at Hyder Days per year at Hyder with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 2004. 024681937: 22004: 82005: 12006: 22007: 12010: 12012: 12018: 42019: 32020: 22021: 2193720052007201220192021
Days per year at Hyder with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 2004.
Days at or above 30 C (86 F) per year at Hyder
YearDaysDecade average
193722
200483
200513
200623
200713
201012.3
201212.3
201842.3
201932.3
202022
202122
First to last qualifying date each year at Hyder For each year, a bar from the first to the last day at Hyder meeting 30 C (86 F). 1937: 9 June 1937 to 10 June 19372004: 18 June 2004 to 14 August 20042005: 19 June 2005 to 19 June 20052006: 12 June 2006 to 13 June 20062007: 17 August 2007 to 17 August 20072010: 8 July 2010 to 8 July 20102012: 23 June 2012 to 23 June 20122018: 19 June 2018 to 24 July 20182019: 27 June 2019 to 23 July 20192020: 31 July 2020 to 1 August 20202021: 28 June 2021 to 29 June 2021193720052007201220192021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hyder meeting 30 C (86 F).
First to last qualifying date each year at Hyder
YearFirst dateLast date
19371937-06-091937-06-10
20042004-06-182004-08-14
20052005-06-192005-06-19
20062006-06-122006-06-13
20072007-08-172007-08-17
20102010-07-082010-07-08
20122012-06-232012-06-23
20182018-06-192018-07-24
20192019-06-272019-07-23
20202020-07-312020-08-01
20212021-06-282021-06-29

Every Fixed Threshold

Fixed thresholds at Hyder
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days11820042
90 F (32.2 C): Days6320041
0 C (32 F): Ice days (max1366193746
0 C (32 F): Frost days (min141732006160
-10 C (14 F): Days with min1440193733
-20 C (-4 F): Days with min5420202
10 mm (0.39 in): Days with 10 mm or more rain881200479
25 mm (0.98 in): Days with 25 mm or more rain832202132
50 mm (1.97 in): Days with 50 mm or more rain8820206
100 mm (3.94 in): Days with 100 mm or more rain1120201
10 cm (3.9 in): Days with 10 cm or more snowfall1324200615
25 cm (9.8 in): Days with 25 cm or more snowfall12820065
50 cm (19.7 in): Days with 50 cm or more snowfall4220201

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1937.

Download the Data

  • Data for Hyder 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 (2025-12-31).