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Built 2026-10-19 (19 October 2026)

Elm Threshold Days by Year (USC00232568)

16 fixed thresholds counted per year at Elm (USC00232568): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Elm Thresholds

  • Elm: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 2018 with 87.
  • Elm: days with a maximum temperature at or above 90 F (32.2 C) in 28 years, most in 2018 with 60.
  • Elm: days with a maximum temperature at or below 0 C (32 F) in 28 years, most in 2014 with 38.
  • Elm: nights with a minimum temperature at or below 0 C (32 F) in 28 years, most in 2013 with 138.
  • 16 fixed thresholds have at least one qualifying day at Elm.
28 years with a qualifying day
Days at or above 30 C (86 F) per year at Elm Days per year at Elm with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 87 in 2018. 02550751001990: 511991: 831992: 301993: 571994: 571995: 581998: 791999: 562000: 752001: 522002: 792003: 622004: 242005: 712006: 732007: 692008: 382009: 342010: 692011: 762012: 842013: 562014: 442015: 562016: 632017: 572018: 872019: 601990199319982001200420072010201320162019
Days per year at Elm with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 87 in 2018.
Days at or above 30 C (86 F) per year at Elm
YearDaysDecade average
19905158.9
19918358.9
19923058.9
19935758.9
19945758.9
19955858.9
19987958.9
19995658.9
20007557.7
20015257.7
20027957.7
20036257.7
20042457.7
20057157.7
20067357.7
20076957.7
20083857.7
20093457.7
20106965.2
20117665.2
20128465.2
20135665.2
20144465.2
20155665.2
20166365.2
20175765.2
20188765.2
20196065.2
First to last qualifying date each year at Elm For each year, a bar from the first to the last day at Elm meeting 30 C (86 F). 1990: 26 May 1990 to 28 September 19901991: 14 May 1991 to 15 September 19911992: 13 May 1992 to 16 September 19921993: 14 June 1993 to 23 September 19931994: 1 June 1994 to 2 October 19941995: 8 June 1995 to 1 October 19951998: 14 May 1998 to 30 September 19981999: 5 June 1999 to 16 October 19992000: 9 May 2000 to 2 October 20002001: 16 May 2001 to 6 September 20012002: 16 April 2002 to 2 October 20022003: 31 May 2003 to 11 September 20032004: 7 May 2004 to 15 September 20042005: 11 May 2005 to 3 October 20052006: 14 April 2006 to 4 October 20062007: 6 May 2007 to 7 October 20072008: 26 May 2008 to 3 September 20082009: 30 May 2009 to 28 September 20092010: 25 May 2010 to 21 September 20102011: 10 April 2011 to 13 September 20112012: 26 April 2012 to 13 September 20122013: 15 May 2013 to 5 October 20132014: 7 May 2014 to 10 September 20142015: 8 June 2015 to 18 September 20152016: 7 June 2016 to 18 October 20162017: 16 May 2017 to 15 October 20172018: 10 May 2018 to 4 October 20182019: 17 May 2019 to 3 October 20191990199420002004200820122016JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Elm meeting 30 C (86 F).
First to last qualifying date each year at Elm
YearFirst dateLast date
19901990-05-261990-09-28
19911991-05-141991-09-15
19921992-05-131992-09-16
19931993-06-141993-09-23
19941994-06-011994-10-02
19951995-06-081995-10-01
19981998-05-141998-09-30
19991999-06-051999-10-16
20002000-05-092000-10-02
20012001-05-162001-09-06
20022002-04-162002-10-02
20032003-05-312003-09-11
20042004-05-072004-09-15
20052005-05-112005-10-03
20062006-04-142006-10-04
20072007-05-062007-10-07
20082008-05-262008-09-03
20092009-05-302009-09-28
20102010-05-252010-09-21
20112011-04-102011-09-13
20122012-04-262012-09-13
20132013-05-152013-10-05
20142014-05-072014-09-10
20152015-06-082015-09-18
20162016-06-072016-10-18
20172017-05-162017-10-15
20182018-05-102018-10-04
20192019-05-172019-10-03

Every Fixed Threshold

Fixed thresholds at Elm
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2887201860
35 C (95 F): Days2632201212
40 C (104 F): Days5520033
90 F (32.2 C): Days2860201827
100 F (37.8 C): Days913201213
0 C (32 F): Ice days (max2838201432
0 C (32 F): Frost days (min281382013121
-10 C (14 F): Days with min2841201420
-20 C (-4 F): Days with min18619902
20 C (68 F): Tropical nights (min2851201838
25 C (77 F): Days with min5220101
10 mm (0.39 in): Days with 10 mm or more rain2747199222
25 mm (0.98 in): Days with 25 mm or more rain272020089
50 mm (1.97 in): Days with 50 mm or more rain25820081
100 mm (3.94 in): Days with 100 mm or more rain6320173
10 cm (3.9 in): Days with 10 cm or more snowfall13220052

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1990.

Download the Data

  • Data for Elm 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).