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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

E Haven Threshold Days by Year (USC00432314)

13 fixed thresholds counted per year at E Haven (USC00432314): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for E Haven Thresholds

  • E Haven: days with a maximum temperature at or above 30 C (86 F) in 18 years, most in 2022 with 19.
  • E Haven: days with a maximum temperature at or below 0 C (32 F) in 18 years, most in 2025 with 92.
  • E Haven: nights with a minimum temperature at or below 0 C (32 F) in 18 years, most in 2020 with 225.
  • E Haven: nights with a minimum temperature at or below -10 C (14 F) in 18 years, most in 2019 with 106.
  • 13 fixed thresholds have at least one qualifying day at E Haven.
18 years with a qualifying day
Days at or above 30 C (86 F) per year at E Haven Days per year at E Haven with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 19 in 2022. 051015202008: 92009: 92010: 172011: 102012: 122013: 122014: 72015: 82016: 112017: 132018: 122019: 42020: 152021: 122022: 192023: 112024: 72025: 13200820102012201420162018202020222024
Days per year at E Haven with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 19 in 2022.
Days at or above 30 C (86 F) per year at E Haven
YearDaysDecade average
200899
200999
20101710.6
20111010.6
20121210.6
20131210.6
2014710.6
2015810.6
20161110.6
20171310.6
20181210.6
2019410.6
20201512.8
20211212.8
20221912.8
20231112.8
2024712.8
20251312.8
First to last qualifying date each year at E Haven For each year, a bar from the first to the last day at E Haven meeting 30 C (86 F). 2008: 8 June 2008 to 6 September 20082009: 26 April 2009 to 19 August 20092010: 26 May 2010 to 3 September 20102011: 9 June 2011 to 7 August 20112012: 21 May 2012 to 27 August 20122013: 1 June 2013 to 12 September 20132014: 4 June 2014 to 6 September 20142015: 9 May 2015 to 10 September 20152016: 29 May 2016 to 12 August 20162017: 18 May 2017 to 28 September 20172018: 1 June 2018 to 4 September 20182019: 20 July 2019 to 31 July 20192020: 27 May 2020 to 10 September 20202021: 21 May 2021 to 22 August 20212022: 13 May 2022 to 31 August 20222023: 29 May 2023 to 8 September 20232024: 23 May 2024 to 4 August 20242025: 6 June 2025 to 14 August 2025200820112014201720202023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at E Haven meeting 30 C (86 F).
First to last qualifying date each year at E Haven
YearFirst dateLast date
20082008-06-082008-09-06
20092009-04-262009-08-19
20102010-05-262010-09-03
20112011-06-092011-08-07
20122012-05-212012-08-27
20132013-06-012013-09-12
20142014-06-042014-09-06
20152015-05-092015-09-10
20162016-05-292016-08-12
20172017-05-182017-09-28
20182018-06-012018-09-04
20192019-07-202019-07-31
20202020-05-272020-09-10
20212021-05-212021-08-22
20222022-05-132022-08-31
20232023-05-292023-09-08
20242024-05-232024-08-04
20252025-06-062025-08-14

Every Fixed Threshold

Fixed thresholds at E Haven
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1819202213
90 F (32.2 C): Days16720257
0 C (32 F): Ice days (max1892202592
0 C (32 F): Frost days (min182252020212
-10 C (14 F): Days with min18106201998
-20 C (-4 F): Days with min1860201539
-30 C (-22 F): Days with min1419201511
20 C (68 F): Tropical nights (min3220111
10 mm (0.39 in): Days with 10 mm or more rain1848202434
25 mm (0.98 in): Days with 25 mm or more rain181220088
50 mm (1.97 in): Days with 50 mm or more rain14220081
10 cm (3.9 in): Days with 10 cm or more snowfall18920119
25 cm (9.8 in): Days with 25 cm or more snowfall6220171

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2008.

Download the Data

  • Data for E Haven 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 (2025-12-31).