Built 2026-10-18 (18 October 2026)

Mypolonga Threshold Days by Year

4 fixed thresholds counted per year at Mypolonga (ASN00024522): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mypolonga Thresholds

  • Mypolonga: days with 10 mm (0.39 in) or more of precipitation in 63 years, most in 1983 with 17.
  • Mypolonga: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1925 with 4.
  • Mypolonga: days with 50 mm (1.97 in) or more of precipitation in 5 years, most in 1921 with 1.
  • Mypolonga: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1921 with 1.
  • 4 fixed thresholds have at least one qualifying day at Mypolonga.
63 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mypolonga Days per year at Mypolonga with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1983. 051015201916: 91917: 101918: 21920: 61921: 91922: 81923: 71924: 61925: 91926: 51927: 11928: 51929: 41930: 61931: 51932: 81933: 41934: 51935: 41936: 61937: 61938: 21940: 41941: 81942: 91943: 61944: 21945: 31948: 41950: 51953: 41954: 31955: 71956: 11957: 31958: 51959: 31960: 111961: 51962: 81963: 91964: 71965: 31966: 61968: 61969: 91970: 81971: 61972: 51973: 71974: 91975: 41976: 71977: 41978: 51979: 101980: 61981: 41982: 11983: 171984: 71985: 61986: 10191619241931193819481958196519731980
Days per year at Mypolonga with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1983.
Days with 10 mm (0.39 in) or more of precipitation per year at Mypolonga
YearDaysDecade average
191697
1917107
191827
192066
192196
192286
192376
192466
192596
192656
192716
192856
192946
193065.1
193155.1
193285.1
193345.1
193455.1
193545.1
193665.1
193765.1
193825.1
194045.1
194185.1
194295.1
194365.1
194425.1
194535.1
194845.1
195053.9
195343.9
195433.9
195573.9
195613.9
195733.9
195853.9
195933.9
1960117.1
196157.1
196287.1
196397.1
196477.1
196537.1
196667.1
196867.1
196997.1
197086.5
197166.5
197256.5
197376.5
197496.5
197546.5
197676.5
197746.5
197856.5
1979106.5
198067.3
198147.3
198217.3
1983177.3
198477.3
198567.3
1986107.3
First to last qualifying date each year at Mypolonga For each year, a bar from the first to the last day at Mypolonga meeting 10 mm (0.39 in). 1916: 3 June 1916 to 13 December 19161917: 14 February 1917 to 11 December 19171918: 10 May 1918 to 14 July 19181920: 1 June 1920 to 28 November 19201921: 24 February 1921 to 5 November 19211922: 3 May 1922 to 19 December 19221923: 8 May 1923 to 14 December 19231924: 5 March 1924 to 7 November 19241925: 13 January 1925 to 20 November 19251926: 1 May 1926 to 29 September 19261927: 1 November 1927 to 1 November 19271928: 27 January 1928 to 30 September 19281929: 1 September 1929 to 28 December 19291930: 21 February 1930 to 24 October 19301931: 1 January 1931 to 15 May 19311932: 5 February 1932 to 12 October 19321933: 20 January 1933 to 29 November 19331934: 12 April 1934 to 8 November 19341935: 21 March 1935 to 19 October 19351936: 19 February 1936 to 17 December 19361937: 19 January 1937 to 2 December 19371938: 26 April 1938 to 24 August 19381940: 5 January 1940 to 19 December 19401941: 25 January 1941 to 19 November 19411942: 30 April 1942 to 5 December 19421943: 17 February 1943 to 18 December 19431944: 3 May 1944 to 7 November 19441945: 22 February 1945 to 15 November 19451948: 12 October 1948 to 16 December 19481950: 2 February 1950 to 20 December 19501953: 5 August 1953 to 4 November 19531954: 14 April 1954 to 30 June 19541955: 16 February 1955 to 3 December 19551956: 16 May 1956 to 16 May 19561957: 21 June 1957 to 23 October 19571958: 7 March 1958 to 10 October 19581959: 25 January 1959 to 29 October 19591960: 2 February 1960 to 12 November 19601961: 7 April 1961 to 17 November 19611962: 17 January 1962 to 29 December 19621963: 13 January 1963 to 27 October 19631964: 8 April 1964 to 22 December 19641965: 8 May 1965 to 25 November 19651966: 15 February 1966 to 4 December 19661968: 18 January 1968 to 3 December 19681969: 9 February 1969 to 1 December 19691970: 1 January 1970 to 11 December 19701971: 15 April 1971 to 7 November 19711972: 7 January 1972 to 27 December 19721973: 6 February 1973 to 28 November 19731974: 25 January 1974 to 16 October 19741975: 20 March 1975 to 24 October 19751976: 9 February 1976 to 2 November 19761977: 16 January 1977 to 29 November 19771978: 11 May 1978 to 19 November 19781979: 17 January 1979 to 15 November 19791980: 18 April 1980 to 11 October 19801981: 9 January 1981 to 10 November 19811982: 23 March 1982 to 23 March 19821983: 4 March 1983 to 31 December 19831984: 1 January 1984 to 1 November 19841985: 15 March 1985 to 1 September 19851986: 16 April 1986 to 7 December 198619161925193319421955196319721980JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mypolonga meeting 10 mm (0.39 in).
First to last qualifying date each year at Mypolonga
YearFirst dateLast date
19161916-06-031916-12-13
19171917-02-141917-12-11
19181918-05-101918-07-14
19201920-06-011920-11-28
19211921-02-241921-11-05
19221922-05-031922-12-19
19231923-05-081923-12-14
19241924-03-051924-11-07
19251925-01-131925-11-20
19261926-05-011926-09-29
19271927-11-011927-11-01
19281928-01-271928-09-30
19291929-09-011929-12-28
19301930-02-211930-10-24
19311931-01-011931-05-15
19321932-02-051932-10-12
19331933-01-201933-11-29
19341934-04-121934-11-08
19351935-03-211935-10-19
19361936-02-191936-12-17
19371937-01-191937-12-02
19381938-04-261938-08-24
19401940-01-051940-12-19
19411941-01-251941-11-19
19421942-04-301942-12-05
19431943-02-171943-12-18
19441944-05-031944-11-07
19451945-02-221945-11-15
19481948-10-121948-12-16
19501950-02-021950-12-20
19531953-08-051953-11-04
19541954-04-141954-06-30
19551955-02-161955-12-03
19561956-05-161956-05-16
19571957-06-211957-10-23
19581958-03-071958-10-10
19591959-01-251959-10-29
19601960-02-021960-11-12
19611961-04-071961-11-17
19621962-01-171962-12-29
19631963-01-131963-10-27
19641964-04-081964-12-22
19651965-05-081965-11-25
19661966-02-151966-12-04
19681968-01-181968-12-03
19691969-02-091969-12-01
19701970-01-011970-12-11
19711971-04-151971-11-07
19721972-01-071972-12-27
19731973-02-061973-11-28
19741974-01-251974-10-16
19751975-03-201975-10-24
19761976-02-091976-11-02
19771977-01-161977-11-29
19781978-05-111978-11-19
19791979-01-171979-11-15
19801980-04-181980-10-11
19811981-01-091981-11-10
19821982-03-231982-03-23
19831983-03-041983-12-31
19841984-01-011984-11-01
19851985-03-151985-09-01
19861986-04-161986-12-07

Every Fixed Threshold

Fixed thresholds at Mypolonga
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain6317198310
25 mm (0.98 in): Days with 25 mm or more rain36419251
50 mm (1.97 in): Days with 50 mm or more rain5119211
100 mm (3.94 in): Days with 100 mm or more rain1119211

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1916.

Download the Data

  • Data for Mypolonga 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).