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

Mt Mitchell Threshold Days by Year (USC00315923)

13 fixed thresholds counted per year at Mt Mitchell (USC00315923): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mt Mitchell Thresholds

  • Mt Mitchell: days with a maximum temperature at or below 0 C (32 F) in 45 years, most in 2010 with 70.
  • Mt Mitchell: nights with a minimum temperature at or below 0 C (32 F) in 45 years, most in 1988 with 155.
  • Mt Mitchell: nights with a minimum temperature at or below -10 C (14 F) in 45 years, most in 2010 with 63.
  • Mt Mitchell: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 2018 with 83.
  • 13 fixed thresholds have at least one qualifying day at Mt Mitchell.
45 years with a qualifying day
Nights at or below 0 C (32 F) per year at Mt Mitchell Days per year at Mt Mitchell with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 155 in 1988. 0501001502001980: 1491981: 1451982: 1201983: 1441984: 1221985: 1071986: 1211987: 1471988: 1551989: 1241990: 1171991: 1191992: 1331993: 1481994: 1281995: 1351996: 1431997: 1531998: 1121999: 1212000: 1322001: 1232002: 1362003: 1362004: 1342005: 1462006: 1322007: 1362008: 1422009: 1352010: 1522011: 1412012: 1202013: 1482014: 1472015: 1232016: 1292017: 1142018: 1402019: 1282020: 1312021: 1242022: 1322023: 1192026: 72198019851990199520002005201020152020
Days per year at Mt Mitchell with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 155 in 1988.
Nights at or below 0 C (32 F) per year at Mt Mitchell
YearDaysDecade average
1980149133.4
1981145133.4
1982120133.4
1983144133.4
1984122133.4
1985107133.4
1986121133.4
1987147133.4
1988155133.4
1989124133.4
1990117130.9
1991119130.9
1992133130.9
1993148130.9
1994128130.9
1995135130.9
1996143130.9
1997153130.9
1998112130.9
1999121130.9
2000132135.2
2001123135.2
2002136135.2
2003136135.2
2004134135.2
2005146135.2
2006132135.2
2007136135.2
2008142135.2
2009135135.2
2010152134.2
2011141134.2
2012120134.2
2013148134.2
2014147134.2
2015123134.2
2016129134.2
2017114134.2
2018140134.2
2019128134.2
2020131115.6
2021124115.6
2022132115.6
2023119115.6
202672115.6
First to last qualifying date each year at Mt Mitchell For each year, a bar from the first to the last day at Mt Mitchell meeting 0 C (32 F). 1980: 1 January 1980 to 31 December 19801981: 1 January 1981 to 31 December 19811982: 1 January 1982 to 31 December 19821983: 1 January 1983 to 31 December 19831984: 1 January 1984 to 26 December 19841985: 16 January 1985 to 31 December 19851986: 1 January 1986 to 31 December 19861987: 1 January 1987 to 31 December 19871988: 1 January 1988 to 30 December 19881989: 3 January 1989 to 29 December 19891990: 1 January 1990 to 31 December 19901991: 2 January 1991 to 31 December 19911992: 1 January 1992 to 28 December 19921993: 1 January 1993 to 31 December 19931994: 1 January 1994 to 31 December 19941995: 1 January 1995 to 31 December 19951996: 3 January 1996 to 27 December 19961997: 6 January 1997 to 31 December 19971998: 1 January 1998 to 31 December 19981999: 1 January 1999 to 31 December 19992000: 5 January 2000 to 31 December 20002001: 1 January 2001 to 31 December 20012002: 1 January 2002 to 30 December 20022003: 3 January 2003 to 31 December 20032004: 6 January 2004 to 30 December 20042005: 14 January 2005 to 31 December 20052006: 1 January 2006 to 30 December 20062007: 2 January 2007 to 31 December 20072008: 1 January 2008 to 31 December 20082009: 1 January 2009 to 31 December 20092010: 1 January 2010 to 31 December 20102011: 3 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 20 December 20152016: 1 January 2016 to 31 December 20162017: 1 January 2017 to 31 December 20172018: 1 January 2018 to 28 December 20182019: 5 January 2019 to 31 December 20192020: 1 January 2020 to 30 December 20202021: 4 January 2021 to 24 December 20212022: 3 January 2022 to 29 December 20222023: 5 January 2023 to 31 December 20232026: 1 January 2026 to 15 May 202619801986199219982004201020162022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mt Mitchell meeting 0 C (32 F).
First to last qualifying date each year at Mt Mitchell
YearFirst dateLast date
19801980-01-011980-12-31
19811981-01-011981-12-31
19821982-01-011982-12-31
19831983-01-011983-12-31
19841984-01-011984-12-26
19851985-01-161985-12-31
19861986-01-011986-12-31
19871987-01-011987-12-31
19881988-01-011988-12-30
19891989-01-031989-12-29
19901990-01-011990-12-31
19911991-01-021991-12-31
19921992-01-011992-12-28
19931993-01-011993-12-31
19941994-01-011994-12-31
19951995-01-011995-12-31
19961996-01-031996-12-27
19971997-01-061997-12-31
19981998-01-011998-12-31
19991999-01-011999-12-31
20002000-01-052000-12-31
20012001-01-012001-12-31
20022002-01-012002-12-30
20032003-01-032003-12-31
20042004-01-062004-12-30
20052005-01-142005-12-31
20062006-01-012006-12-30
20072007-01-022007-12-31
20082008-01-012008-12-31
20092009-01-012009-12-31
20102010-01-012010-12-31
20112011-01-032011-12-31
20122012-01-012012-12-31
20132013-01-012013-12-31
20142014-01-012014-12-31
20152015-01-012015-12-20
20162016-01-012016-12-31
20172017-01-012017-12-31
20182018-01-012018-12-28
20192019-01-052019-12-31
20202020-01-012020-12-30
20212021-01-042021-12-24
20222022-01-032022-12-29
20232023-01-052023-12-31
20262026-01-012026-05-15

Every Fixed Threshold

Fixed thresholds at Mt Mitchell
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max4570201026
0 C (32 F): Frost days (min45155198872
-10 C (14 F): Days with min4563201025
-20 C (-4 F): Days with min411020143
-30 C (-22 F): Days with min4119821
10 mm (0.39 in): Days with 10 mm or more rain4583201835
25 mm (0.98 in): Days with 25 mm or more rain4541201810
50 mm (1.97 in): Days with 50 mm or more rain451520181
100 mm (3.94 in): Days with 100 mm or more rain27520041
200 mm (7.87 in): Days with 200 mm or more rain4120041
10 cm (3.9 in): Days with 10 cm or more snowfall371819963
25 cm (9.8 in): Days with 25 cm or more snowfall28520171
50 cm (19.7 in): Days with 50 cm or more snowfall9119851

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1980.

Download the Data

  • Data for Mt Mitchell 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).