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Built 2026-10-19 (19 October 2026)

Hill City Threshold Days by Year (USC00393868)

17 fixed thresholds counted per year at Hill City (USC00393868): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hill City Thresholds

  • Hill City: days with 10 mm (0.39 in) or more of precipitation in 72 years, most in 2018 with 26.
  • Hill City: days with 25 mm (0.98 in) or more of precipitation in 70 years, most in 2019 with 8.
  • Hill City: days with 10 cm (3.9 in) or more of snowfall in 70 years, most in 2013 with 10.
  • Hill City: days with a maximum temperature at or above 30 C (86 F) in 38 years, most in 2012 with 51.
  • 17 fixed thresholds have at least one qualifying day at Hill City.
38 years with a qualifying day
Days at or above 30 C (86 F) per year at Hill City Days per year at Hill City with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 51 in 2012. 02040601989: 231990: 191991: 161992: 41993: 31994: 201995: 271996: 101997: 101998: 141999: 142000: 262001: 242002: 282003: 272004: 132005: 292006: 342007: 372008: 152009: 142010: 282011: 402012: 512013: 262014: 142015: 232016: 232017: 292018: 262019: 152020: 402021: 482022: 452023: 182024: 382025: 232026: 381989199319972001200520092013201720212025
Days per year at Hill City with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 51 in 2012.
Days at or above 30 C (86 F) per year at Hill City
YearDaysDecade average
19892323
19901913.7
19911613.7
1992413.7
1993313.7
19942013.7
19952713.7
19961013.7
19971013.7
19981413.7
19991413.7
20002624.7
20012424.7
20022824.7
20032724.7
20041324.7
20052924.7
20063424.7
20073724.7
20081524.7
20091424.7
20102827.5
20114027.5
20125127.5
20132627.5
20141427.5
20152327.5
20162327.5
20172927.5
20182627.5
20191527.5
20204035.7
20214835.7
20224535.7
20231835.7
20243835.7
20252335.7
20263835.7
First to last qualifying date each year at Hill City For each year, a bar from the first to the last day at Hill City meeting 30 C (86 F). 1989: 16 June 1989 to 31 August 19891990: 25 June 1990 to 12 September 19901991: 25 June 1991 to 28 August 19911992: 7 August 1992 to 23 September 19921993: 29 July 1993 to 24 August 19931994: 13 June 1994 to 9 September 19941995: 14 June 1995 to 4 September 19951996: 26 June 1996 to 12 August 19961997: 22 June 1997 to 26 August 19971998: 14 July 1998 to 18 September 19981999: 25 June 1999 to 27 August 19992000: 6 June 2000 to 17 September 20002001: 23 June 2001 to 5 September 20012002: 22 June 2002 to 7 September 20022003: 29 May 2003 to 27 August 20032004: 6 June 2004 to 18 September 20042005: 18 June 2005 to 9 September 20052006: 13 June 2006 to 14 September 20062007: 11 June 2007 to 4 September 20072008: 5 July 2008 to 31 August 20082009: 19 May 2009 to 27 August 20092010: 28 May 2010 to 28 September 20102011: 6 June 2011 to 3 October 20112012: 17 May 2012 to 11 September 20122013: 14 May 2013 to 18 September 20132014: 5 July 2014 to 27 September 20142015: 10 June 2015 to 27 September 20152016: 10 June 2016 to 23 August 20162017: 6 June 2017 to 14 September 20172018: 27 May 2018 to 16 September 20182019: 29 June 2019 to 17 September 20192020: 20 May 2020 to 25 September 20202021: 5 June 2021 to 28 September 20212022: 14 June 2022 to 20 September 20222023: 24 July 2023 to 5 September 20232024: 13 June 2024 to 30 September 20242025: 12 May 2025 to 12 September 20252026: 7 June 2026 to 7 September 202619891994199920042009201420192024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hill City meeting 30 C (86 F).
First to last qualifying date each year at Hill City
YearFirst dateLast date
19891989-06-161989-08-31
19901990-06-251990-09-12
19911991-06-251991-08-28
19921992-08-071992-09-23
19931993-07-291993-08-24
19941994-06-131994-09-09
19951995-06-141995-09-04
19961996-06-261996-08-12
19971997-06-221997-08-26
19981998-07-141998-09-18
19991999-06-251999-08-27
20002000-06-062000-09-17
20012001-06-232001-09-05
20022002-06-222002-09-07
20032003-05-292003-08-27
20042004-06-062004-09-18
20052005-06-182005-09-09
20062006-06-132006-09-14
20072007-06-112007-09-04
20082008-07-052008-08-31
20092009-05-192009-08-27
20102010-05-282010-09-28
20112011-06-062011-10-03
20122012-05-172012-09-11
20132013-05-142013-09-18
20142014-07-052014-09-27
20152015-06-102015-09-27
20162016-06-102016-08-23
20172017-06-062017-09-14
20182018-05-272018-09-16
20192019-06-292019-09-17
20202020-05-202020-09-25
20212021-06-052021-09-28
20222022-06-142022-09-20
20232023-07-242023-09-05
20242024-06-132024-09-30
20252025-05-122025-09-12
20262026-06-072026-09-07

Every Fixed Threshold

Fixed thresholds at Hill City
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3851201238
35 C (95 F): Days21820124
90 F (32.2 C): Days3727202214
100 F (37.8 C): Days3220061
0 C (32 F): Ice days (max3856199614
0 C (32 F): Frost days (min382292002134
-10 C (14 F): Days with min38111202335
-20 C (-4 F): Days with min383319967
-30 C (-22 F): Days with min25719893
20 C (68 F): Tropical nights (min5220112
10 mm (0.39 in): Days with 10 mm or more rain7226201812
25 mm (0.98 in): Days with 25 mm or more rain70820192
50 mm (1.97 in): Days with 50 mm or more rain27219651
100 mm (3.94 in): Days with 100 mm or more rain10n/a1
10 cm (3.9 in): Days with 10 cm or more snowfall701020132
25 cm (9.8 in): Days with 25 cm or more snowfall24320131
50 cm (19.7 in): Days with 50 cm or more snowfall5119651

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1989.

Download the Data

  • Data for Hill City 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).