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Built 2026-10-19 (19 October 2026)

Morenci Threshold Days by Year (USC00205603)

16 fixed thresholds counted per year at Morenci (USC00205603): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Morenci Thresholds

  • Morenci: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 2019 with 45.
  • Morenci: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1981 with 13.
  • Morenci: days with 50 mm (1.97 in) or more of precipitation in 33 years, most in 2000 with 4.
  • Morenci: days with 10 cm (3.9 in) or more of snowfall in 33 years, most in 1987 with 5.
  • 16 fixed thresholds have at least one qualifying day at Morenci.
21 years with a qualifying day
Days at or above 30 C (86 F) per year at Morenci Days per year at Morenci with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 71 in 2012. 0204060802004: 352005: 692006: 312007: 562009: 152010: 522011: 572012: 712013: 362014: 352015: 312016: 482017: 402018: 552019: 372020: 582021: 362022: 292024: 372025: 382026: 332004200720112014201720202024
Days per year at Morenci with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 71 in 2012.
Days at or above 30 C (86 F) per year at Morenci
YearDaysDecade average
20043541.2
20056941.2
20063141.2
20075641.2
20091541.2
20105246.2
20115746.2
20127146.2
20133646.2
20143546.2
20153146.2
20164846.2
20174046.2
20185546.2
20193746.2
20205838.5
20213638.5
20222938.5
20243738.5
20253838.5
20263338.5
First to last qualifying date each year at Morenci For each year, a bar from the first to the last day at Morenci meeting 30 C (86 F). 2004: 19 April 2004 to 24 September 20042005: 5 June 2005 to 5 October 20052006: 29 May 2006 to 19 August 20062007: 9 May 2007 to 9 October 20072009: 25 April 2009 to 17 August 20092010: 25 May 2010 to 11 October 20102011: 13 May 2011 to 4 September 20112012: 22 March 2012 to 7 September 20122013: 16 May 2013 to 12 September 20132014: 9 May 2014 to 6 September 20142015: 8 May 2015 to 9 September 20152016: 28 May 2016 to 23 September 20162017: 17 May 2017 to 27 September 20172018: 3 May 2018 to 10 October 20182019: 26 May 2019 to 2 October 20192020: 25 May 2020 to 4 September 20202021: 21 May 2021 to 18 September 20212022: 12 May 2022 to 30 August 20222024: 20 May 2024 to 17 September 20242025: 4 June 2025 to 6 October 20252026: 18 May 2026 to 11 August 20262004200720112014201720202024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Morenci meeting 30 C (86 F).
First to last qualifying date each year at Morenci
YearFirst dateLast date
20042004-04-192004-09-24
20052005-06-052005-10-05
20062006-05-292006-08-19
20072007-05-092007-10-09
20092009-04-252009-08-17
20102010-05-252010-10-11
20112011-05-132011-09-04
20122012-03-222012-09-07
20132013-05-162013-09-12
20142014-05-092014-09-06
20152015-05-082015-09-09
20162016-05-282016-09-23
20172017-05-172017-09-27
20182018-05-032018-10-10
20192019-05-262019-10-02
20202020-05-252020-09-04
20212021-05-212021-09-18
20222022-05-122022-08-30
20242024-05-202024-09-17
20252025-06-042025-10-06
20262026-05-182026-08-11

Every Fixed Threshold

Fixed thresholds at Morenci
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2171201233
35 C (95 F): Days162120123
40 C (104 F): Days1120121
90 F (32.2 C): Days214520129
100 F (37.8 C): Days2820128
0 C (32 F): Ice days (max2163201423
0 C (32 F): Frost days (min20162201868
-10 C (14 F): Days with min2064201426
-20 C (-4 F): Days with min152020143
20 C (68 F): Tropical nights (min2021200515
10 mm (0.39 in): Days with 10 mm or more rain4445201921
25 mm (0.98 in): Days with 25 mm or more rain441319815
50 mm (1.97 in): Days with 50 mm or more rain33420002
100 mm (3.94 in): Days with 100 mm or more rain2119811
10 cm (3.9 in): Days with 10 cm or more snowfall33519871
25 cm (9.8 in): Days with 25 cm or more snowfall1119991

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2004.

Download the Data

  • Data for Morenci 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).