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Built 2026-10-19 (19 October 2026)

Greenhaven Threshold Days by Year (ASN00031168)

5 fixed thresholds counted per year at Greenhaven (ASN00031168): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Greenhaven Thresholds

  • Greenhaven: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 2010 with 115.
  • Greenhaven: days with 25 mm (0.98 in) or more of precipitation in 38 years, most in 2010 with 47.
  • Greenhaven: days with 50 mm (1.97 in) or more of precipitation in 38 years, most in 2018 with 18.
  • Greenhaven: days with 100 mm (3.94 in) or more of precipitation in 32 years, most in 2018 with 8.
  • 5 fixed thresholds have at least one qualifying day at Greenhaven.
38 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Greenhaven Days per year at Greenhaven with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 115 in 2010. 0501001501981: 951982: 711983: 641984: 661985: 621986: 601987: 791988: 711989: 671990: 601991: 611992: 581993: 811994: 631995: 721996: 761997: 781998: 891999: 842000: 892001: 672002: 472003: 602004: 742005: 642007: 772008: 712009: 532010: 1152018: 742019: 762020: 752021: 832022: 762023: 882024: 1042025: 682026: 791981198519891993199720012005201020212025
Days per year at Greenhaven with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 115 in 2010.
Days with 10 mm (0.39 in) or more of precipitation per year at Greenhaven
YearDaysDecade average
19819570.6
19827170.6
19836470.6
19846670.6
19856270.6
19866070.6
19877970.6
19887170.6
19896770.6
19906072.2
19916172.2
19925872.2
19938172.2
19946372.2
19957272.2
19967672.2
19977872.2
19988972.2
19998472.2
20008966.9
20016766.9
20024766.9
20036066.9
20047466.9
20056466.9
20077766.9
20087166.9
20095366.9
201011588.3
20187488.3
20197688.3
20207581.9
20218381.9
20227681.9
20238881.9
202410481.9
20256881.9
20267981.9
First to last qualifying date each year at Greenhaven For each year, a bar from the first to the last day at Greenhaven meeting 10 mm (0.39 in). 1981: 2 January 1981 to 30 December 19811982: 12 January 1982 to 25 December 19821983: 28 January 1983 to 27 December 19831984: 9 January 1984 to 29 December 19841985: 16 January 1985 to 18 December 19851986: 3 January 1986 to 20 December 19861987: 3 January 1987 to 30 December 19871988: 1 January 1988 to 31 December 19881989: 4 January 1989 to 17 December 19891990: 4 January 1990 to 31 December 19901991: 3 January 1991 to 11 December 19911992: 2 January 1992 to 29 December 19921993: 2 January 1993 to 31 December 19931994: 13 January 1994 to 26 December 19941995: 5 January 1995 to 26 December 19951996: 7 January 1996 to 28 December 19961997: 3 January 1997 to 31 December 19971998: 1 January 1998 to 31 December 19981999: 6 January 1999 to 27 December 19992000: 8 January 2000 to 19 December 20002001: 1 January 2001 to 18 December 20012002: 9 January 2002 to 18 December 20022003: 2 January 2003 to 31 December 20032004: 7 January 2004 to 31 December 20042005: 7 January 2005 to 24 December 20052007: 22 January 2007 to 31 December 20072008: 5 January 2008 to 31 December 20082009: 1 January 2009 to 27 December 20092010: 1 January 2010 to 29 December 20102018: 4 January 2018 to 31 December 20182019: 6 January 2019 to 30 December 20192020: 5 January 2020 to 31 December 20202021: 1 January 2021 to 31 December 20212022: 3 January 2022 to 28 December 20222023: 2 January 2023 to 29 December 20232024: 12 January 2024 to 23 December 20242025: 6 January 2025 to 31 December 20252026: 1 January 2026 to 2 September 202619811986199119962001200720192024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Greenhaven meeting 10 mm (0.39 in).
First to last qualifying date each year at Greenhaven
YearFirst dateLast date
19811981-01-021981-12-30
19821982-01-121982-12-25
19831983-01-281983-12-27
19841984-01-091984-12-29
19851985-01-161985-12-18
19861986-01-031986-12-20
19871987-01-031987-12-30
19881988-01-011988-12-31
19891989-01-041989-12-17
19901990-01-041990-12-31
19911991-01-031991-12-11
19921992-01-021992-12-29
19931993-01-021993-12-31
19941994-01-131994-12-26
19951995-01-051995-12-26
19961996-01-071996-12-28
19971997-01-031997-12-31
19981998-01-011998-12-31
19991999-01-061999-12-27
20002000-01-082000-12-19
20012001-01-012001-12-18
20022002-01-092002-12-18
20032003-01-022003-12-31
20042004-01-072004-12-31
20052005-01-072005-12-24
20072007-01-222007-12-31
20082008-01-052008-12-31
20092009-01-012009-12-27
20102010-01-012010-12-29
20182018-01-042018-12-31
20192019-01-062019-12-30
20202020-01-052020-12-31
20212021-01-012021-12-31
20222022-01-032022-12-28
20232023-01-022023-12-29
20242024-01-122024-12-23
20252025-01-062025-12-31
20262026-01-012026-09-02

Every Fixed Threshold

Fixed thresholds at Greenhaven
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain38115201079
25 mm (0.98 in): Days with 25 mm or more rain3847201031
50 mm (1.97 in): Days with 50 mm or more rain3818201811
100 mm (3.94 in): Days with 100 mm or more rain32820181
200 mm (7.87 in): Days with 200 mm or more rain8320183

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1981.

Download the Data

  • Data for Greenhaven 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 (2026-10-12).