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

Nagappattinam Threshold Days by Year (IN020120700)

12 fixed thresholds counted per year at Nagappattinam (IN020120700): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Nagappattinam Thresholds

  • Nagappattinam: days with 10 mm (0.39 in) or more of precipitation in 69 years, most in 1944 with 49.
  • Nagappattinam: days with 25 mm (0.98 in) or more of precipitation in 69 years, most in 1963 with 30.
  • Nagappattinam: days with 50 mm (1.97 in) or more of precipitation in 69 years, most in 1940 with 16.
  • Nagappattinam: days with 100 mm (3.94 in) or more of precipitation in 53 years, most in 1920 with 6.
  • 12 fixed thresholds have at least one qualifying day at Nagappattinam.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Nagappattinam Days per year at Nagappattinam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 338 in 2016. 01002003004002016: 3382017: 3102018: 3022019: 3012022: 3152023: 3212025: 2482016201720182019202220232025
Days per year at Nagappattinam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 338 in 2016.
Days at or above 30 C (86 F) per year at Nagappattinam
YearDaysDecade average
2016338312.8
2017310312.8
2018302312.8
2019301312.8
2022315294.7
2023321294.7
2025248294.7
First to last qualifying date each year at Nagappattinam For each year, a bar from the first to the last day at Nagappattinam meeting 30 C (86 F). 2016: 1 January 2016 to 22 December 20162017: 5 January 2017 to 19 December 20172018: 1 January 2018 to 19 December 20182019: 26 January 2019 to 30 December 20192022: 9 January 2022 to 31 December 20222023: 1 January 2023 to 31 December 20232025: 2 February 2025 to 13 November 20252016201720182019202220232025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Nagappattinam meeting 30 C (86 F).
First to last qualifying date each year at Nagappattinam
YearFirst dateLast date
20162016-01-012016-12-22
20172017-01-052017-12-19
20182018-01-012018-12-19
20192019-01-262019-12-30
20222022-01-092022-12-31
20232023-01-012023-12-31
20252025-02-022025-11-13

Every Fixed Threshold

Fixed thresholds at Nagappattinam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days73382016248
35 C (95 F): Days7168201659
40 C (104 F): Days31320174
90 F (32.2 C): Days72472016176
100 F (37.8 C): Days769201911
20 C (68 F): Tropical nights (min13452025345
25 C (77 F): Days with min12592025259
10 mm (0.39 in): Days with 10 mm or more rain6949194436
25 mm (0.98 in): Days with 25 mm or more rain6930196320
50 mm (1.97 in): Days with 50 mm or more rain691619409
100 mm (3.94 in): Days with 100 mm or more rain53619205
200 mm (7.87 in): Days with 200 mm or more rain15219232

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2016.

Download the Data

  • Data for Nagappattinam 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).