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

Naissaar Island Threshold Days by Year (EN000026034)

2 fixed thresholds counted per year at Naissaar Island (EN000026034): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Naissaar Island Thresholds

  • Naissaar Island: days with 10 mm (0.39 in) or more of precipitation in 21 years, most in 1978 with 17.
  • Naissaar Island: days with 25 mm (0.98 in) or more of precipitation in 17 years, most in 1986 with 4.
  • 2 fixed thresholds have at least one qualifying day at Naissaar Island.
21 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Naissaar Island Days per year at Naissaar Island with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1978. 01020301960: 151961: 151962: 211963: 131964: 91967: 141968: 151969: 91970: 131971: 111972: 121973: 71978: 171980: 141981: 141982: 121983: 111984: 101986: 71987: 151988: 111960196319681971197819821986
Days per year at Naissaar Island with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1978.
Days with 10 mm (0.39 in) or more of precipitation per year at Naissaar Island
YearDaysDecade average
19601513.9
19611513.9
19622113.9
19631313.9
1964913.9
19671413.9
19681513.9
1969913.9
19701312
19711112
19721212
1973712
19781712
19801411.8
19811411.8
19821211.8
19831111.8
19841011.8
1986711.8
19871511.8
19881111.8
First to last qualifying date each year at Naissaar Island For each year, a bar from the first to the last day at Naissaar Island meeting 10 mm (0.39 in). 1960: 6 January 1960 to 11 December 19601961: 30 March 1961 to 7 December 19611962: 4 January 1962 to 21 November 19621963: 1 May 1963 to 14 October 19631964: 1 January 1964 to 21 October 19641967: 18 May 1967 to 14 December 19671968: 22 January 1968 to 29 November 19681969: 9 March 1969 to 13 November 19691970: 24 April 1970 to 7 December 19701971: 16 July 1971 to 8 December 19711972: 27 March 1972 to 8 December 19721973: 7 March 1973 to 23 November 19731978: 2 January 1978 to 18 November 19781980: 26 May 1980 to 31 December 19801981: 14 March 1981 to 21 November 19811982: 4 January 1982 to 16 December 19821983: 2 February 1983 to 20 November 19831984: 4 January 1984 to 7 December 19841986: 11 July 1986 to 23 October 19861987: 6 February 1987 to 28 November 19871988: 18 July 1988 to 27 December 19881960196319681971197819821986JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Naissaar Island meeting 10 mm (0.39 in).
First to last qualifying date each year at Naissaar Island
YearFirst dateLast date
19601960-01-061960-12-11
19611961-03-301961-12-07
19621962-01-041962-11-21
19631963-05-011963-10-14
19641964-01-011964-10-21
19671967-05-181967-12-14
19681968-01-221968-11-29
19691969-03-091969-11-13
19701970-04-241970-12-07
19711971-07-161971-12-08
19721972-03-271972-12-08
19731973-03-071973-11-23
19781978-01-021978-11-18
19801980-05-261980-12-31
19811981-03-141981-11-21
19821982-01-041982-12-16
19831983-02-021983-11-20
19841984-01-041984-12-07
19861986-07-111986-10-23
19871987-02-061987-11-28
19881988-07-181988-12-27

Every Fixed Threshold

Fixed thresholds at Naissaar Island
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2117197811
25 mm (0.98 in): Days with 25 mm or more rain17419862

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.

Download the Data

  • Data for Naissaar Island 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).