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Data as of 2026-10-16
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Built 2026-10-19 (19 October 2026)

Mill Gap Threshold Days by Year (USC00445595)

14 fixed thresholds counted per year at Mill Gap (USC00445595): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mill Gap Thresholds

  • Mill Gap: days with 10 mm (0.39 in) or more of precipitation in 49 years, most in 2003 with 55.
  • Mill Gap: days with 25 mm (0.98 in) or more of precipitation in 49 years, most in 1996 with 17.
  • Mill Gap: days with 50 mm (1.97 in) or more of precipitation in 43 years, most in 1994 with 4.
  • Mill Gap: days with 10 cm (3.9 in) or more of snowfall in 41 years, most in 2003 with 8.
  • 14 fixed thresholds have at least one qualifying day at Mill Gap.
25 years with a qualifying day
Days at or above 30 C (86 F) per year at Mill Gap Days per year at Mill Gap with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 25 in 2011. 01020301999: 162000: 42001: 62002: 212003: 62004: 22005: 142006: 132007: 212008: 92011: 252012: 142013: 42014: 52016: 192017: 82018: 142019: 212020: 142021: 182022: 72023: 72024: 222025: 112026: 17199920022005200820132017202020232026
Days per year at Mill Gap with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 25 in 2011.
Days at or above 30 C (86 F) per year at Mill Gap
YearDaysDecade average
19991616
2000410.7
2001610.7
20022110.7
2003610.7
2004210.7
20051410.7
20061310.7
20072110.7
2008910.7
20112513.8
20121413.8
2013413.8
2014513.8
20161913.8
2017813.8
20181413.8
20192113.8
20201413.7
20211813.7
2022713.7
2023713.7
20242213.7
20251113.7
20261713.7
First to last qualifying date each year at Mill Gap For each year, a bar from the first to the last day at Mill Gap meeting 30 C (86 F). 1999: 8 June 1999 to 17 August 19992000: 10 June 2000 to 14 June 20002001: 20 June 2001 to 9 August 20012002: 4 June 2002 to 10 September 20022003: 25 June 2003 to 28 August 20032004: 31 July 2004 to 28 August 20042005: 25 June 2005 to 20 August 20052006: 29 May 2006 to 3 August 20062007: 9 July 2007 to 9 September 20072008: 6 June 2008 to 30 July 20082011: 31 May 2011 to 4 September 20112012: 22 June 2012 to 27 July 20122013: 16 July 2013 to 20 July 20132014: 17 June 2014 to 14 July 20142016: 23 July 2016 to 24 September 20162017: 13 July 2017 to 28 September 20172018: 15 May 2018 to 7 September 20182019: 29 June 2019 to 4 October 20192020: 10 June 2020 to 10 August 20202021: 29 June 2021 to 29 August 20212022: 22 May 2022 to 10 August 20222023: 28 July 2023 to 7 September 20232024: 3 May 2024 to 30 August 20242025: 23 June 2025 to 17 August 20252026: 16 April 2026 to 17 September 20261999200320072013201820222026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mill Gap meeting 30 C (86 F).
First to last qualifying date each year at Mill Gap
YearFirst dateLast date
19991999-06-081999-08-17
20002000-06-102000-06-14
20012001-06-202001-08-09
20022002-06-042002-09-10
20032003-06-252003-08-28
20042004-07-312004-08-28
20052005-06-252005-08-20
20062006-05-292006-08-03
20072007-07-092007-09-09
20082008-06-062008-07-30
20112011-05-312011-09-04
20122012-06-222012-07-27
20132013-07-162013-07-20
20142014-06-172014-07-14
20162016-07-232016-09-24
20172017-07-132017-09-28
20182018-05-152018-09-07
20192019-06-292019-10-04
20202020-06-102020-08-10
20212021-06-292021-08-29
20222022-05-222022-08-10
20232023-07-282023-09-07
20242024-05-032024-08-30
20252025-06-232025-08-17
20262026-04-162026-09-17

Every Fixed Threshold

Fixed thresholds at Mill Gap
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2525201117
35 C (95 F): Days1220112
90 F (32.2 C): Days14820124
0 C (32 F): Ice days (max2735200019
0 C (32 F): Frost days (min261772014102
-10 C (14 F): Days with min2656201428
-20 C (-4 F): Days with min151220152
20 C (68 F): Tropical nights (min1120121
10 mm (0.39 in): Days with 10 mm or more rain4955200329
25 mm (0.98 in): Days with 25 mm or more rain491719969
50 mm (1.97 in): Days with 50 mm or more rain43419941
100 mm (3.94 in): Days with 100 mm or more rain2119851
10 cm (3.9 in): Days with 10 cm or more snowfall41820031
25 cm (9.8 in): Days with 25 cm or more snowfall8219871

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1999.

Download the Data

  • Data for Mill Gap 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 (2026-10-16).