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Built 2026-10-19 (19 October 2026)

Iron Mtn Ford AP Threshold Days by Year (USW00094893)

12 fixed thresholds counted per year at Iron Mtn Ford AP (USW00094893): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Iron Mtn Ford AP Thresholds

  • Iron Mtn Ford AP: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 2007 with 38.
  • Iron Mtn Ford AP: days with a maximum temperature at or below 0 C (32 F) in 28 years, most in 2014 with 105.
  • Iron Mtn Ford AP: nights with a minimum temperature at or below 0 C (32 F) in 28 years, most in 2002 with 206.
  • Iron Mtn Ford AP: nights with a minimum temperature at or below -10 C (14 F) in 28 years, most in 2014 with 106.
  • 12 fixed thresholds have at least one qualifying day at Iron Mtn Ford AP.
28 years with a qualifying day
Days at or above 30 C (86 F) per year at Iron Mtn Ford AP Days per year at Iron Mtn Ford AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 38 in 2007. 0102030401998: 161999: 202000: 62001: 222002: 262003: 182004: 32005: 282006: 222007: 382008: 72009: 102010: 202011: 262012: 342013: 222014: 112015: 112016: 212017: 152018: 272019: 142020: 252021: 222022: 192023: 212024: 172025: 191998200120042007201020132016201920222025
Days per year at Iron Mtn Ford AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 38 in 2007.
Days at or above 30 C (86 F) per year at Iron Mtn Ford AP
YearDaysDecade average
19981618
19992018
2000618
20012218
20022618
20031818
2004318
20052818
20062218
20073818
2008718
20091018
20102020.1
20112620.1
20123420.1
20132220.1
20141120.1
20151120.1
20162120.1
20171520.1
20182720.1
20191420.1
20202520.5
20212220.5
20221920.5
20232120.5
20241720.5
20251920.5
First to last qualifying date each year at Iron Mtn Ford AP For each year, a bar from the first to the last day at Iron Mtn Ford AP meeting 30 C (86 F). 1998: 18 May 1998 to 19 September 19981999: 29 May 1999 to 4 September 19992000: 5 May 2000 to 31 August 20002001: 25 June 2001 to 9 August 20012002: 16 April 2002 to 9 September 20022003: 22 June 2003 to 25 August 20032004: 7 June 2004 to 30 June 20042005: 9 June 2005 to 13 September 20052006: 28 May 2006 to 6 August 20062007: 10 May 2007 to 7 October 20072008: 25 June 2008 to 2 September 20082009: 20 May 2009 to 15 August 20092010: 20 May 2010 to 30 August 20102011: 4 June 2011 to 12 September 20112012: 18 May 2012 to 3 September 20122013: 30 May 2013 to 10 September 20132014: 25 May 2014 to 25 August 20142015: 18 July 2015 to 6 September 20152016: 6 May 2016 to 18 August 20162017: 10 June 2017 to 25 September 20172018: 16 May 2018 to 17 September 20182019: 31 May 2019 to 28 July 20192020: 25 May 2020 to 21 August 20202021: 4 June 2021 to 28 August 20212022: 12 May 2022 to 2 September 20222023: 13 April 2023 to 2 October 20232024: 18 June 2024 to 17 September 20242025: 12 May 2025 to 4 October 20251998200220062010201420182022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Iron Mtn Ford AP meeting 30 C (86 F).
First to last qualifying date each year at Iron Mtn Ford AP
YearFirst dateLast date
19981998-05-181998-09-19
19991999-05-291999-09-04
20002000-05-052000-08-31
20012001-06-252001-08-09
20022002-04-162002-09-09
20032003-06-222003-08-25
20042004-06-072004-06-30
20052005-06-092005-09-13
20062006-05-282006-08-06
20072007-05-102007-10-07
20082008-06-252008-09-02
20092009-05-202009-08-15
20102010-05-202010-08-30
20112011-06-042011-09-12
20122012-05-182012-09-03
20132013-05-302013-09-10
20142014-05-252014-08-25
20152015-07-182015-09-06
20162016-05-062016-08-18
20172017-06-102017-09-25
20182018-05-162018-09-17
20192019-05-312019-07-28
20202020-05-252020-08-21
20212021-06-042021-08-28
20222022-05-122022-09-02
20232023-04-132023-10-02
20242024-06-182024-09-17
20252025-05-122025-10-04

Every Fixed Threshold

Fixed thresholds at Iron Mtn Ford AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2838200719
35 C (95 F): Days11420061
90 F (32.2 C): Days261720126
0 C (32 F): Ice days (max28105201477
0 C (32 F): Frost days (min282062002186
-10 C (14 F): Days with min28106201476
-20 C (-4 F): Days with min2845201417
-30 C (-22 F): Days with min10420141
20 C (68 F): Tropical nights (min20720105
10 mm (0.39 in): Days with 10 mm or more rain2729200210
25 mm (0.98 in): Days with 25 mm or more rain24820103
50 mm (1.97 in): Days with 50 mm or more rain9220051

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1998.

Download the Data

  • Data for Iron Mtn Ford AP 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 (2025-12-31).