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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Trenton Falls Threshold Days by Year (USC00308578)

16 fixed thresholds counted per year at Trenton Falls (USC00308578): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Trenton Falls Thresholds

  • Trenton Falls: days with 10 mm (0.39 in) or more of precipitation in 81 years, most in 1972 with 57.
  • Trenton Falls: days with 25 mm (0.98 in) or more of precipitation in 81 years, most in 1986 with 17.
  • Trenton Falls: days with 50 mm (1.97 in) or more of precipitation in 52 years, most in 1929 with 4.
  • Trenton Falls: days with a maximum temperature at or above 30 C (86 F) in 23 years, most in 1955 with 46.
  • 16 fixed thresholds have at least one qualifying day at Trenton Falls.
23 years with a qualifying day
Days at or above 30 C (86 F) per year at Trenton Falls Days per year at Trenton Falls with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 46 in 1955. 02040601949: 421950: 101951: 181952: 301953: 291954: 141955: 462011: 152012: 192013: 132014: 52015: 112016: 102017: 102018: 222019: 62020: 272021: 142022: 182023: 72024: 142025: 232026: 919491952195520132016201920222025
Days per year at Trenton Falls with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 46 in 1955.
Days at or above 30 C (86 F) per year at Trenton Falls
YearDaysDecade average
19494242
19501024.5
19511824.5
19523024.5
19532924.5
19541424.5
19554624.5
20111512.3
20121912.3
20131312.3
2014512.3
20151112.3
20161012.3
20171012.3
20182212.3
2019612.3
20202716
20211416
20221816
2023716
20241416
20252316
2026916
First to last qualifying date each year at Trenton Falls For each year, a bar from the first to the last day at Trenton Falls meeting 30 C (86 F). 1949: 6 May 1949 to 29 August 19491950: 8 June 1950 to 28 August 19501951: 17 May 1951 to 6 October 19511952: 18 June 1952 to 14 September 19521953: 11 May 1953 to 5 September 19531954: 11 June 1954 to 25 August 19541955: 5 May 1955 to 20 September 19552011: 27 May 2011 to 25 July 20112012: 17 April 2012 to 1 September 20122013: 1 June 2013 to 12 September 20132014: 30 June 2014 to 6 September 20142015: 9 May 2015 to 9 September 20152016: 28 May 2016 to 13 August 20162017: 18 May 2017 to 28 September 20172018: 31 May 2018 to 17 September 20182019: 1 July 2019 to 30 July 20192020: 26 May 2020 to 10 September 20202021: 21 May 2021 to 27 August 20212022: 21 May 2022 to 30 August 20222023: 2 June 2023 to 5 October 20232024: 23 May 2024 to 5 August 20242025: 5 June 2025 to 18 August 20252026: 19 May 2026 to 15 July 202619491952195520132016201920222025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Trenton Falls meeting 30 C (86 F).
First to last qualifying date each year at Trenton Falls
YearFirst dateLast date
19491949-05-061949-08-29
19501950-06-081950-08-28
19511951-05-171951-10-06
19521952-06-181952-09-14
19531953-05-111953-09-05
19541954-06-111954-08-25
19551955-05-051955-09-20
20112011-05-272011-07-25
20122012-04-172012-09-01
20132013-06-012013-09-12
20142014-06-302014-09-06
20152015-05-092015-09-09
20162016-05-282016-08-13
20172017-05-182017-09-28
20182018-05-312018-09-17
20192019-07-012019-07-30
20202020-05-262020-09-10
20212021-05-212021-08-27
20222022-05-212022-08-30
20232023-06-022023-10-05
20242024-05-232024-08-05
20252025-06-052025-08-18
20262026-05-192026-07-15

Every Fixed Threshold

Fixed thresholds at Trenton Falls
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days234619559
35 C (95 F): Days5619531
90 F (32.2 C): Days162319553
0 C (32 F): Ice days (max2380195549
0 C (32 F): Frost days (min22162195490
-10 C (14 F): Days with min2266201535
-20 C (-4 F): Days with min212920158
-30 C (-22 F): Days with min5119551
20 C (68 F): Tropical nights (min201120244
25 C (77 F): Days with min1120111
10 mm (0.39 in): Days with 10 mm or more rain8157197220
25 mm (0.98 in): Days with 25 mm or more rain811719864
50 mm (1.97 in): Days with 50 mm or more rain52419291
100 mm (3.94 in): Days with 100 mm or more rain5119411
10 cm (3.9 in): Days with 10 cm or more snowfall161319973
25 cm (9.8 in): Days with 25 cm or more snowfall8320081

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Trenton Falls 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).