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

Essex Threshold Days by Year (USC00242812)

13 fixed thresholds counted per year at Essex (USC00242812): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Essex Thresholds

  • Essex: days with 10 mm (0.39 in) or more of precipitation in 10 years, most in 1966 with 32.
  • Essex: days with 25 mm (0.98 in) or more of precipitation in 9 years, most in 1955 with 8.
  • Essex: days with 10 cm (3.9 in) or more of snowfall in 8 years, most in 1956 with 27.
  • Essex: days with 25 cm (9.8 in) or more of snowfall in 7 years, most in 1952 with 3.
  • 13 fixed thresholds have at least one qualifying day at Essex.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at Essex Days per year at Essex with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 27 in 2025. 01020301966: 221969: 222025: 27196619692025
Days per year at Essex with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 27 in 2025.
Days at or above 30 C (86 F) per year at Essex
YearDaysDecade average
19662222
19692222
20252727
First to last qualifying date each year at Essex For each year, a bar from the first to the last day at Essex meeting 30 C (86 F). 1966: 26 May 1966 to 10 September 19661969: 4 June 1969 to 1 September 19692025: 31 May 2025 to 4 September 2025196619692025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Essex meeting 30 C (86 F).
First to last qualifying date each year at Essex
YearFirst dateLast date
19661966-05-261966-09-10
19691969-06-041969-09-01
20252025-05-312025-09-04

Every Fixed Threshold

Fixed thresholds at Essex
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days327202527
35 C (95 F): Days2219692
90 F (32.2 C): Days31019667
0 C (32 F): Ice days (max364196657
0 C (32 F): Frost days (min32161969174
-10 C (14 F): Days with min366196942
-20 C (-4 F): Days with min31519699
-30 C (-22 F): Days with min1119691
10 mm (0.39 in): Days with 10 mm or more rain1032196621
25 mm (0.98 in): Days with 25 mm or more rain9819553
50 mm (1.97 in): Days with 50 mm or more rain2119551
10 cm (3.9 in): Days with 10 cm or more snowfall827195610
25 cm (9.8 in): Days with 25 cm or more snowfall7319522

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.

Download the Data

  • Data for Essex 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).