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Built 2026-10-16 (16 October 2026)

Greenmount Threshold Days by Year

4 fixed thresholds counted per year at Greenmount (ASN00009020): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Greenmount Thresholds

  • Greenmount: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1946 with 42.
  • Greenmount: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1946 with 15.
  • Greenmount: days with 50 mm (1.97 in) or more of precipitation in 18 years, most in 1934 with 3.
  • Greenmount: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1934 with 1.
  • 4 fixed thresholds have at least one qualifying day at Greenmount.
36 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Greenmount Days per year at Greenmount with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 42 in 1946. 02040601929: 281930: 291931: 411932: 301933: 231934: 311935: 271936: 281937: 271938: 321939: 391945: 381946: 421947: 341960: 361961: 341962: 291963: 391964: 421965: 371966: 261967: 271968: 371969: 161970: 341971: 291972: 221980: 271981: 321983: 261984: 301985: 271986: 281987: 271988: 291989: 18192919331937194619621966197019811986
Days per year at Greenmount with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 42 in 1946.
Days with 10 mm (0.39 in) or more of precipitation per year at Greenmount
YearDaysDecade average
19292828
19302930.7
19314130.7
19323030.7
19332330.7
19343130.7
19352730.7
19362830.7
19372730.7
19383230.7
19393930.7
19453838
19464238
19473438
19603632.3
19613432.3
19622932.3
19633932.3
19644232.3
19653732.3
19662632.3
19672732.3
19683732.3
19691632.3
19703428.3
19712928.3
19722228.3
19802727.1
19813227.1
19832627.1
19843027.1
19852727.1
19862827.1
19872727.1
19882927.1
19891827.1
First to last qualifying date each year at Greenmount For each year, a bar from the first to the last day at Greenmount meeting 10 mm (0.39 in). 1929: 2 January 1929 to 11 November 19291930: 15 April 1930 to 18 October 19301931: 12 April 1931 to 7 October 19311932: 5 April 1932 to 8 October 19321933: 11 May 1933 to 19 October 19331934: 8 March 1934 to 6 November 19341935: 3 April 1935 to 27 October 19351936: 15 April 1936 to 18 December 19361937: 11 February 1937 to 16 September 19371938: 16 March 1938 to 2 November 19381939: 15 February 1939 to 4 October 19391945: 26 March 1945 to 25 December 19451946: 19 April 1946 to 15 November 19461947: 17 April 1947 to 19 November 19471960: 27 February 1960 to 15 October 19601961: 28 March 1961 to 16 December 19611962: 12 May 1962 to 6 December 19621963: 16 March 1963 to 31 October 19631964: 28 March 1964 to 19 December 19641965: 12 April 1965 to 1 December 19651966: 2 January 1966 to 28 December 19661967: 12 April 1967 to 9 December 19671968: 8 January 1968 to 15 October 19681969: 8 April 1969 to 2 November 19691970: 7 February 1970 to 4 November 19701971: 28 March 1971 to 23 November 19711972: 20 April 1972 to 28 October 19721980: 17 April 1980 to 26 November 19801981: 18 February 1981 to 26 November 19811983: 3 May 1983 to 31 December 19831984: 4 March 1984 to 28 December 19841985: 9 April 1985 to 8 November 19851986: 22 February 1986 to 30 November 19861987: 17 March 1987 to 24 December 19871988: 24 March 1988 to 3 December 19881989: 25 April 1989 to 3 October 198919291934193919611966197119841989JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Greenmount meeting 10 mm (0.39 in).
First to last qualifying date each year at Greenmount
YearFirst dateLast date
19291929-01-021929-11-11
19301930-04-151930-10-18
19311931-04-121931-10-07
19321932-04-051932-10-08
19331933-05-111933-10-19
19341934-03-081934-11-06
19351935-04-031935-10-27
19361936-04-151936-12-18
19371937-02-111937-09-16
19381938-03-161938-11-02
19391939-02-151939-10-04
19451945-03-261945-12-25
19461946-04-191946-11-15
19471947-04-171947-11-19
19601960-02-271960-10-15
19611961-03-281961-12-16
19621962-05-121962-12-06
19631963-03-161963-10-31
19641964-03-281964-12-19
19651965-04-121965-12-01
19661966-01-021966-12-28
19671967-04-121967-12-09
19681968-01-081968-10-15
19691969-04-081969-11-02
19701970-02-071970-11-04
19711971-03-281971-11-23
19721972-04-201972-10-28
19801980-04-171980-11-26
19811981-02-181981-11-26
19831983-05-031983-12-31
19841984-03-041984-12-28
19851985-04-091985-11-08
19861986-02-221986-11-30
19871987-03-171987-12-24
19881988-03-241988-12-03
19891989-04-251989-10-03

Every Fixed Threshold

Fixed thresholds at Greenmount
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3642194618
25 mm (0.98 in): Days with 25 mm or more rain361519465
50 mm (1.97 in): Days with 50 mm or more rain18319341
100 mm (3.94 in): Days with 100 mm or more rain2119341

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1929.

Download the Data

  • Data for Greenmount 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).