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Built 2026-10-19 (19 October 2026)

Niulii 179 Threshold Days by Year (USC00516806)

9 fixed thresholds counted per year at Niulii 179 (USC00516806): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Niulii 179 Thresholds

  • Niulii 179: nights with a minimum temperature at or above 20 C (68 F) in 32 years, most in 1938 with 258.
  • Niulii 179: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1911 with 60.
  • Niulii 179: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1923 with 23.
  • Niulii 179: days with a maximum temperature at or above 30 C (86 F) in 23 years, most in 1927 with 59.
  • 9 fixed thresholds have at least one qualifying day at Niulii 179.
23 years with a qualifying day
Days at or above 30 C (86 F) per year at Niulii 179 Days per year at Niulii 179 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 59 in 1927. 02040601905: 111912: 11913: 41915: 81916: 21917: 21921: 51924: 71925: 131926: 401927: 591928: 231930: 61931: 241937: 121940: 41943: 11944: 11945: 21946: 21947: 11948: 11950: 219051915192119261930194019451948
Days per year at Niulii 179 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 59 in 1927.
Days at or above 30 C (86 F) per year at Niulii 179
YearDaysDecade average
19051111
191213.4
191343.4
191583.4
191623.4
191723.4
1921524.5
1924724.5
19251324.5
19264024.5
19275924.5
19282324.5
1930614
19312414
19371214
194041.7
194311.7
194411.7
194521.7
194621.7
194711.7
194811.7
195022
First to last qualifying date each year at Niulii 179 For each year, a bar from the first to the last day at Niulii 179 meeting 30 C (86 F). 1905: 20 May 1905 to 14 August 19051912: 5 August 1912 to 5 August 19121913: 1 August 1913 to 30 September 19131915: 6 April 1915 to 29 September 19151916: 25 January 1916 to 7 February 19161917: 31 August 1917 to 31 December 19171921: 5 January 1921 to 6 October 19211924: 16 April 1924 to 18 December 19241925: 7 December 1925 to 25 December 19251926: 15 June 1926 to 5 November 19261927: 11 August 1927 to 26 December 19271928: 2 January 1928 to 28 August 19281930: 8 March 1930 to 28 November 19301931: 16 July 1931 to 5 November 19311937: 4 February 1937 to 25 October 19371940: 21 January 1940 to 30 July 19401943: 30 October 1943 to 30 October 19431944: 3 March 1944 to 3 March 19441945: 17 December 1945 to 27 December 19451946: 10 October 1946 to 11 October 19461947: 22 December 1947 to 22 December 19471948: 6 September 1948 to 6 September 19481950: 29 January 1950 to 8 June 195019051915192119261930194019451948JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Niulii 179 meeting 30 C (86 F).
First to last qualifying date each year at Niulii 179
YearFirst dateLast date
19051905-05-201905-08-14
19121912-08-051912-08-05
19131913-08-011913-09-30
19151915-04-061915-09-29
19161916-01-251916-02-07
19171917-08-311917-12-31
19211921-01-051921-10-06
19241924-04-161924-12-18
19251925-12-071925-12-25
19261926-06-151926-11-05
19271927-08-111927-12-26
19281928-01-021928-08-28
19301930-03-081930-11-28
19311931-07-161931-11-05
19371937-02-041937-10-25
19401940-01-211940-07-30
19431943-10-301943-10-30
19441944-03-031944-03-03
19451945-12-171945-12-27
19461946-10-101946-10-11
19471947-12-221947-12-22
19481948-09-061948-09-06
19501950-01-291950-06-08

Every Fixed Threshold

Fixed thresholds at Niulii 179
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days235919272
35 C (95 F): Days1119271
90 F (32.2 C): Days2319272
20 C (68 F): Tropical nights (min322581938176
25 C (77 F): Days with min3319151
10 mm (0.39 in): Days with 10 mm or more rain3060191133
25 mm (0.98 in): Days with 25 mm or more rain302319235
50 mm (1.97 in): Days with 50 mm or more rain23719231
100 mm (3.94 in): Days with 100 mm or more rain2119061

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1905.

Download the Data

  • Data for Niulii 179 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).