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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Ft Knox Mine Threshold Days by Year (USC00503160)

11 fixed thresholds counted per year at Ft Knox Mine (USC00503160): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ft Knox Mine Thresholds

  • Ft Knox Mine: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1999 with 22.
  • Ft Knox Mine: days with a maximum temperature at or below 0 C (32 F) in 22 years, most in 2020 with 175.
  • Ft Knox Mine: nights with a minimum temperature at or below 0 C (32 F) in 21 years, most in 2013 with 232.
  • Ft Knox Mine: nights with a minimum temperature at or below -10 C (14 F) in 21 years, most in 2008 with 162.
  • 11 fixed thresholds have at least one qualifying day at Ft Knox Mine.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Ft Knox Mine Days per year at Ft Knox Mine with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 2004. 012342002: 12004: 42010: 12013: 12002200420102013
Days per year at Ft Knox Mine with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 2004.
Days at or above 30 C (86 F) per year at Ft Knox Mine
YearDaysDecade average
200212.5
200442.5
201011
201311
First to last qualifying date each year at Ft Knox Mine For each year, a bar from the first to the last day at Ft Knox Mine meeting 30 C (86 F). 2002: 21 May 2002 to 21 May 20022004: 19 June 2004 to 14 July 20042010: 15 August 2010 to 15 August 20102013: 26 June 2013 to 26 June 20132002200420102013JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ft Knox Mine meeting 30 C (86 F).
First to last qualifying date each year at Ft Knox Mine
YearFirst dateLast date
20022002-05-212002-05-21
20042004-06-192004-07-14
20102010-08-152010-08-15
20132013-06-262013-06-26

Every Fixed Threshold

Fixed thresholds at Ft Knox Mine
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4420041
0 C (32 F): Ice days (max221752020144
0 C (32 F): Frost days (min212322013227
-10 C (14 F): Days with min211622008130
-20 C (-4 F): Days with min2186202147
-30 C (-22 F): Days with min1925201212
-40 C (-40 F): Days with min2220242
10 mm (0.39 in): Days with 10 mm or more rain2522199912
25 mm (0.98 in): Days with 25 mm or more rain20520143
50 mm (1.97 in): Days with 50 mm or more rain3120031
10 cm (3.9 in): Days with 10 cm or more snowfall7620096

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2002.

Download the Data

  • Data for Ft Knox Mine 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).