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Built 2026-10-19 (19 October 2026)

Millheim Threshold Days by Year (USC00365790)

17 fixed thresholds counted per year at Millheim (USC00365790): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Millheim Thresholds

  • Millheim: days with 10 mm (0.39 in) or more of precipitation in 73 years, most in 2018 with 54.
  • Millheim: days with 25 mm (0.98 in) or more of precipitation in 73 years, most in 1979 with 21.
  • Millheim: days with 10 cm (3.9 in) or more of snowfall in 66 years, most in 1958 with 9.
  • Millheim: days with 50 mm (1.97 in) or more of precipitation in 48 years, most in 1979 with 6.
  • 17 fixed thresholds have at least one qualifying day at Millheim.
20 years with a qualifying day
Days at or above 30 C (86 F) per year at Millheim Days per year at Millheim with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 54 in 2016. 02040602005: 522006: 282007: 332008: 262009: 122010: 492011: 392012: 402013: 282014: 202015: 272016: 542017: 282018: 392019: 322020: 382021: 332024: 382025: 442026: 172005200720092011201320152017201920212025
Days per year at Millheim with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 54 in 2016.
Days at or above 30 C (86 F) per year at Millheim
YearDaysDecade average
20055230.2
20062830.2
20073330.2
20082630.2
20091230.2
20104935.6
20113935.6
20124035.6
20132835.6
20142035.6
20152735.6
20165435.6
20172835.6
20183935.6
20193235.6
20203834
20213334
20243834
20254434
20261734
First to last qualifying date each year at Millheim For each year, a bar from the first to the last day at Millheim meeting 30 C (86 F). 2005: 12 May 2005 to 23 September 20052006: 30 May 2006 to 19 August 20062007: 16 May 2007 to 10 October 20072008: 7 June 2008 to 6 September 20082009: 26 April 2009 to 19 August 20092010: 7 April 2010 to 25 September 20102011: 27 May 2011 to 4 September 20112012: 17 April 2012 to 8 September 20122013: 22 May 2013 to 12 September 20132014: 14 May 2014 to 7 September 20142015: 9 May 2015 to 10 September 20152016: 26 May 2016 to 15 September 20162017: 18 May 2017 to 28 September 20172018: 3 May 2018 to 7 September 20182019: 27 June 2019 to 3 October 20192020: 27 May 2020 to 28 August 20202021: 20 May 2021 to 29 August 20212024: 30 April 2024 to 30 August 20242025: 5 June 2025 to 20 September 20252026: 16 April 2026 to 17 July 20262005200820112014201720202025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Millheim meeting 30 C (86 F).
First to last qualifying date each year at Millheim
YearFirst dateLast date
20052005-05-122005-09-23
20062006-05-302006-08-19
20072007-05-162007-10-10
20082008-06-072008-09-06
20092009-04-262009-08-19
20102010-04-072010-09-25
20112011-05-272011-09-04
20122012-04-172012-09-08
20132013-05-222013-09-12
20142014-05-142014-09-07
20152015-05-092015-09-10
20162016-05-262016-09-15
20172017-05-182017-09-28
20182018-05-032018-09-07
20192019-06-272019-10-03
20202020-05-272020-08-28
20212021-05-202021-08-29
20242024-04-302024-08-30
20252025-06-052025-09-20
20262026-04-162026-07-17

Every Fixed Threshold

Fixed thresholds at Millheim
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2054201617
35 C (95 F): Days10520251
40 C (104 F): Days1120111
90 F (32.2 C): Days202620256
100 F (37.8 C): Days1220112
0 C (32 F): Ice days (max2063201431
0 C (32 F): Frost days (min20170201386
-10 C (14 F): Days with min2061201425
-20 C (-4 F): Days with min91320155
20 C (68 F): Tropical nights (min15820128
10 mm (0.39 in): Days with 10 mm or more rain7354201818
25 mm (0.98 in): Days with 25 mm or more rain732119792
50 mm (1.97 in): Days with 50 mm or more rain48619792
100 mm (3.94 in): Days with 100 mm or more rain6219841
10 cm (3.9 in): Days with 10 cm or more snowfall66919581
25 cm (9.8 in): Days with 25 cm or more snowfall23219641
50 cm (19.7 in): Days with 50 cm or more snowfall2119531

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2005.

Download the Data

  • Data for Millheim 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 (2026-10-12).