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Built 2026-10-19 (19 October 2026)

Jt Myers Locks & Dam Threshold Days by Year (USC00128967)

17 fixed thresholds counted per year at Jt Myers Locks & Dam (USC00128967): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jt Myers Locks & Dam Thresholds

  • Jt Myers Locks & Dam: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 2011 with 54.
  • Jt Myers Locks & Dam: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 2011 with 26.
  • Jt Myers Locks & Dam: days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 2008 with 8.
  • Jt Myers Locks & Dam: days with a maximum temperature at or above 30 C (86 F) in 17 years, most in 2010 with 110.
  • 17 fixed thresholds have at least one qualifying day at Jt Myers Locks & Dam.
17 years with a qualifying day
Days at or above 30 C (86 F) per year at Jt Myers Locks & Dam Days per year at Jt Myers Locks & Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 110 in 2010. 0501001502003: 652004: 542005: 952008: 752009: 562010: 1102011: 842012: 962013: 632014: 642015: 692016: 952017: 752018: 1072020: 512022: 802026: 57200320052009201120132015201720202026
Days per year at Jt Myers Locks & Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 110 in 2010.
Days at or above 30 C (86 F) per year at Jt Myers Locks & Dam
YearDaysDecade average
20036569
20045469
20059569
20087569
20095669
201011084.8
20118484.8
20129684.8
20136384.8
20146484.8
20156984.8
20169584.8
20177584.8
201810784.8
20205162.7
20228062.7
20265762.7
First to last qualifying date each year at Jt Myers Locks & Dam For each year, a bar from the first to the last day at Jt Myers Locks & Dam meeting 30 C (86 F). 2003: 7 June 2003 to 18 September 20032004: 8 May 2004 to 16 September 20042005: 11 May 2005 to 19 October 20052008: 31 May 2008 to 11 October 20082009: 22 May 2009 to 11 September 20092010: 13 April 2010 to 11 October 20102011: 10 May 2011 to 13 September 20112012: 1 April 2012 to 7 September 20122013: 19 May 2013 to 19 September 20132014: 5 May 2014 to 2 October 20142015: 6 May 2015 to 24 September 20152016: 17 April 2016 to 6 October 20162017: 19 April 2017 to 7 October 20172018: 11 May 2018 to 9 October 20182020: 9 April 2020 to 9 October 20202022: 11 May 2022 to 21 September 20222026: 22 March 2026 to 1 October 2026200320082011201420172022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Jt Myers Locks & Dam meeting 30 C (86 F).
First to last qualifying date each year at Jt Myers Locks & Dam
YearFirst dateLast date
20032003-06-072003-09-18
20042004-05-082004-09-16
20052005-05-112005-10-19
20082008-05-312008-10-11
20092009-05-222009-09-11
20102010-04-132010-10-11
20112011-05-102011-09-13
20122012-04-012012-09-07
20132013-05-192013-09-19
20142014-05-052014-10-02
20152015-05-062015-09-24
20162016-04-172016-10-06
20172017-04-192017-10-07
20182018-05-112018-10-09
20202020-04-092020-10-09
20222022-05-112022-09-21
20262026-03-222026-10-01

Every Fixed Threshold

Fixed thresholds at Jt Myers Locks & Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days17110201057
35 C (95 F): Days1731201215
40 C (104 F): Days1920129
90 F (32.2 C): Days1772201031
100 F (37.8 C): Days51520123
0 C (32 F): Ice days (max162220108
0 C (32 F): Frost days (min1595201331
-10 C (14 F): Days with min1417201410
-20 C (-4 F): Days with min2220152
20 C (68 F): Tropical nights (min1586201047
25 C (77 F): Days with min131420154
10 mm (0.39 in): Days with 10 mm or more rain2854201122
25 mm (0.98 in): Days with 25 mm or more rain282620117
50 mm (1.97 in): Days with 50 mm or more rain26820081
100 mm (3.94 in): Days with 100 mm or more rain7219961
10 cm (3.9 in): Days with 10 cm or more snowfall4219931
25 cm (9.8 in): Days with 25 cm or more snowfall1120041

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2003.

Download the Data

  • Data for Jt Myers Locks & Dam 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).