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Built 2026-10-17 (17 October 2026)

Greenmantle Threshold Days by Year

4 fixed thresholds counted per year at Greenmantle (ASN00034078): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Greenmantle Thresholds

  • Greenmantle: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1975 with 30.
  • Greenmantle: days with 25 mm (0.98 in) or more of precipitation in 39 years, most in 1975 with 16.
  • Greenmantle: days with 50 mm (1.97 in) or more of precipitation in 33 years, most in 1975 with 6.
  • Greenmantle: days with 100 mm (3.94 in) or more of precipitation in 11 years, most in 2003 with 2.
  • 4 fixed thresholds have at least one qualifying day at Greenmantle.
39 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Greenmantle Days per year at Greenmantle with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1975. 01020301968: 181969: 71970: 111971: 231972: 111973: 261974: 251975: 301976: 261977: 241978: 241979: 161980: 121981: 171982: 101983: 241984: 241985: 191986: 191987: 211988: 201989: 251990: 181991: 131992: 91993: 111994: 111995: 241996: 141997: 191998: 201999: 132000: 212001: 112002: 92003: 92004: 192005: 122019: 81968197219761980198419881992199620002004
Days per year at Greenmantle with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1975.
Days with 10 mm (0.39 in) or more of precipitation per year at Greenmantle
YearDaysDecade average
19681812.5
1969712.5
19701121.6
19712321.6
19721121.6
19732621.6
19742521.6
19753021.6
19762621.6
19772421.6
19782421.6
19791621.6
19801219.1
19811719.1
19821019.1
19832419.1
19842419.1
19851919.1
19861919.1
19872119.1
19882019.1
19892519.1
19901815.2
19911315.2
1992915.2
19931115.2
19941115.2
19952415.2
19961415.2
19971915.2
19982015.2
19991315.2
20002113.5
20011113.5
2002913.5
2003913.5
20041913.5
20051213.5
201988
First to last qualifying date each year at Greenmantle For each year, a bar from the first to the last day at Greenmantle meeting 10 mm (0.39 in). 1968: 4 January 1968 to 11 October 19681969: 6 February 1969 to 24 December 19691970: 25 January 1970 to 31 December 19701971: 16 January 1971 to 26 December 19711972: 4 January 1972 to 12 November 19721973: 9 January 1973 to 27 December 19731974: 2 January 1974 to 28 December 19741975: 2 January 1975 to 30 December 19751976: 14 January 1976 to 22 December 19761977: 13 January 1977 to 22 December 19771978: 7 January 1978 to 27 December 19781979: 22 January 1979 to 25 December 19791980: 6 January 1980 to 31 December 19801981: 2 January 1981 to 29 November 19811982: 5 January 1982 to 21 December 19821983: 2 January 1983 to 3 December 19831984: 4 January 1984 to 21 December 19841985: 27 January 1985 to 18 December 19851986: 5 January 1986 to 24 December 19861987: 17 January 1987 to 31 December 19871988: 3 February 1988 to 22 December 19881989: 23 January 1989 to 6 December 19891990: 24 March 1990 to 30 December 19901991: 4 January 1991 to 20 December 19911992: 7 January 1992 to 19 December 19921993: 7 January 1993 to 18 December 19931994: 4 February 1994 to 19 December 19941995: 1 January 1995 to 29 December 19951996: 2 January 1996 to 6 December 19961997: 29 January 1997 to 22 December 19971998: 13 February 1998 to 21 December 19981999: 3 January 1999 to 27 December 19992000: 6 January 2000 to 29 December 20002001: 4 February 2001 to 17 December 20012002: 2 January 2002 to 10 December 20022003: 8 February 2003 to 13 December 20032004: 12 January 2004 to 27 December 20042005: 7 January 2005 to 2 December 20052019: 23 February 2019 to 28 November 201919681973197819831988199319982003JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Greenmantle meeting 10 mm (0.39 in).
First to last qualifying date each year at Greenmantle
YearFirst dateLast date
19681968-01-041968-10-11
19691969-02-061969-12-24
19701970-01-251970-12-31
19711971-01-161971-12-26
19721972-01-041972-11-12
19731973-01-091973-12-27
19741974-01-021974-12-28
19751975-01-021975-12-30
19761976-01-141976-12-22
19771977-01-131977-12-22
19781978-01-071978-12-27
19791979-01-221979-12-25
19801980-01-061980-12-31
19811981-01-021981-11-29
19821982-01-051982-12-21
19831983-01-021983-12-03
19841984-01-041984-12-21
19851985-01-271985-12-18
19861986-01-051986-12-24
19871987-01-171987-12-31
19881988-02-031988-12-22
19891989-01-231989-12-06
19901990-03-241990-12-30
19911991-01-041991-12-20
19921992-01-071992-12-19
19931993-01-071993-12-18
19941994-02-041994-12-19
19951995-01-011995-12-29
19961996-01-021996-12-06
19971997-01-291997-12-22
19981998-02-131998-12-21
19991999-01-031999-12-27
20002000-01-062000-12-29
20012001-02-042001-12-17
20022002-01-022002-12-10
20032003-02-082003-12-13
20042004-01-122004-12-27
20052005-01-072005-12-02
20192019-02-232019-11-28

Every Fixed Threshold

Fixed thresholds at Greenmantle
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain393019758
25 mm (0.98 in): Days with 25 mm or more rain391619753
50 mm (1.97 in): Days with 50 mm or more rain33619751
100 mm (3.94 in): Days with 100 mm or more rain11220031

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1968.

Download the Data

  • Data for Greenmantle 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

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