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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Castle Valley Threshold Days by Year (USS0012M13S)

7 fixed thresholds counted per year at Castle Valley (USS0012M13S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Castle Valley Thresholds

  • Castle Valley: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1982 with 40.
  • Castle Valley: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 2010 with 9.
  • Castle Valley: days with a maximum temperature at or below 0 C (32 F) in 23 years, most in 2004 with 46.
  • Castle Valley: nights with a minimum temperature at or below 0 C (32 F) in 22 years, most in 2019 with 242.
  • 7 fixed thresholds have at least one qualifying day at Castle Valley.
22 years with a qualifying day
Nights at or below 0 C (32 F) per year at Castle Valley Days per year at Castle Valley with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 242 in 2019. 01002003002004: 2252005: 2182006: 2222008: 2342009: 2092010: 2242011: 2232012: 2082013: 2302014: 2062015: 2052016: 2232017: 2062018: 2112019: 2422020: 2112021: 2192022: 2242023: 2172024: 2092025: 1972026: 12420042008201120142017202020232026
Days per year at Castle Valley with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 242 in 2019.
Nights at or below 0 C (32 F) per year at Castle Valley
YearDaysDecade average
2004225221.6
2005218221.6
2006222221.6
2008234221.6
2009209221.6
2010224217.8
2011223217.8
2012208217.8
2013230217.8
2014206217.8
2015205217.8
2016223217.8
2017206217.8
2018211217.8
2019242217.8
2020211200.1
2021219200.1
2022224200.1
2023217200.1
2024209200.1
2025197200.1
2026124200.1
First to last qualifying date each year at Castle Valley For each year, a bar from the first to the last day at Castle Valley meeting 0 C (32 F). 2004: 1 January 2004 to 31 December 20042005: 1 January 2005 to 31 December 20052006: 1 January 2006 to 31 December 20062008: 1 January 2008 to 31 December 20082009: 1 January 2009 to 31 December 20092010: 1 January 2010 to 31 December 20102011: 1 January 2011 to 31 December 20112012: 1 January 2012 to 31 December 20122013: 1 January 2013 to 31 December 20132014: 1 January 2014 to 31 December 20142015: 1 January 2015 to 31 December 20152016: 1 January 2016 to 31 December 20162017: 1 January 2017 to 31 December 20172018: 1 January 2018 to 31 December 20182019: 1 January 2019 to 31 December 20192020: 1 January 2020 to 31 December 20202021: 1 January 2021 to 31 December 20212022: 1 January 2022 to 31 December 20222023: 1 January 2023 to 31 December 20232024: 1 January 2024 to 31 December 20242025: 1 January 2025 to 31 December 20252026: 1 January 2026 to 14 October 202620042008201120142017202020232026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Castle Valley meeting 0 C (32 F).
First to last qualifying date each year at Castle Valley
YearFirst dateLast date
20042004-01-012004-12-31
20052005-01-012005-12-31
20062006-01-012006-12-31
20082008-01-012008-12-31
20092009-01-012009-12-31
20102010-01-012010-12-31
20112011-01-012011-12-31
20122012-01-012012-12-31
20132013-01-012013-12-31
20142014-01-012014-12-31
20152015-01-012015-12-31
20162016-01-012016-12-31
20172017-01-012017-12-31
20182018-01-012018-12-31
20192019-01-012019-12-31
20202020-01-012020-12-31
20212021-01-012021-12-31
20222022-01-012022-12-31
20232023-01-012023-12-31
20242024-01-012024-12-31
20252025-01-012025-12-31
20262026-01-012026-10-14

Every Fixed Threshold

Fixed thresholds at Castle Valley
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max234620048
0 C (32 F): Frost days (min222422019124
-10 C (14 F): Days with min2276202319
-20 C (-4 F): Days with min181120132
10 mm (0.39 in): Days with 10 mm or more rain4640198217
25 mm (0.98 in): Days with 25 mm or more rain44920104
50 mm (1.97 in): Days with 50 mm or more rain10419831

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2004.

Download the Data

  • Data for Castle Valley 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).