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Built 2026-10-18 (18 October 2026)

Bretti (Vinegar Hill) Threshold Days by Year

4 fixed thresholds counted per year at Bretti (Vinegar Hill) (ASN00060053): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bretti (Vinegar Hill) Thresholds

  • Bretti (Vinegar Hill): days with 10 mm (0.39 in) or more of precipitation in 37 years, most in 1999 with 45.
  • Bretti (Vinegar Hill): days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 2009 with 19.
  • Bretti (Vinegar Hill): days with 50 mm (1.97 in) or more of precipitation in 35 years, most in 2001 with 7.
  • Bretti (Vinegar Hill): days with 100 mm (3.94 in) or more of precipitation in 6 years, most in 1978 with 2.
  • 4 fixed thresholds have at least one qualifying day at Bretti (Vinegar Hill).
37 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Bretti (Vinegar Hill) Days per year at Bretti (Vinegar Hill) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 1999. 02040601971: 291972: 301973: 301974: 291975: 311976: 281977: 321978: 371979: 211980: 171981: 221982: 271983: 301984: 331985: 381987: 261988: 381989: 371990: 351991: 201992: 291993: 251995: 301996: 311997: 301998: 361999: 452000: 252001: 232002: 182003: 192004: 262005: 252006: 302007: 322008: 372009: 351971197519791983198819921997200120052009
Days per year at Bretti (Vinegar Hill) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 1999.
Days with 10 mm (0.39 in) or more of precipitation per year at Bretti (Vinegar Hill)
YearDaysDecade average
19712929.7
19723029.7
19733029.7
19742929.7
19753129.7
19762829.7
19773229.7
19783729.7
19792129.7
19801729.8
19812229.8
19822729.8
19833029.8
19843329.8
19853829.8
19872629.8
19883829.8
19893729.8
19903531.2
19912031.2
19922931.2
19932531.2
19953031.2
19963131.2
19973031.2
19983631.2
19994531.2
20002527
20012327
20021827
20031927
20042627
20052527
20063027
20073227
20083727
20093527
First to last qualifying date each year at Bretti (Vinegar Hill) For each year, a bar from the first to the last day at Bretti (Vinegar Hill) meeting 10 mm (0.39 in). 1971: 13 January 1971 to 17 December 19711972: 4 January 1972 to 27 November 19721973: 10 February 1973 to 27 December 19731974: 7 January 1974 to 24 December 19741975: 4 January 1975 to 24 December 19751976: 13 January 1976 to 24 December 19761977: 11 January 1977 to 2 December 19771978: 2 January 1978 to 29 December 19781979: 18 January 1979 to 12 November 19791980: 3 January 1980 to 31 December 19801981: 1 February 1981 to 27 December 19811982: 15 January 1982 to 28 December 19821983: 3 January 1983 to 28 December 19831984: 9 January 1984 to 31 December 19841985: 8 February 1985 to 22 December 19851987: 4 January 1987 to 30 December 19871988: 3 January 1988 to 27 December 19881989: 6 January 1989 to 14 December 19891990: 14 January 1990 to 29 December 19901991: 18 January 1991 to 31 December 19911992: 1 January 1992 to 15 December 19921993: 19 January 1993 to 21 December 19931995: 3 January 1995 to 11 December 19951996: 3 January 1996 to 18 December 19961997: 26 January 1997 to 27 December 19971998: 6 January 1998 to 19 December 19981999: 9 January 1999 to 30 December 19992000: 5 January 2000 to 2 December 20002001: 18 January 2001 to 15 December 20012002: 1 February 2002 to 27 December 20022003: 2 January 2003 to 13 December 20032004: 17 January 2004 to 25 December 20042005: 17 January 2005 to 29 December 20052006: 8 January 2006 to 21 December 20062007: 25 January 2007 to 17 December 20072008: 5 January 2008 to 13 December 20082009: 11 February 2009 to 30 December 200919711976198119871992199820032008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Bretti (Vinegar Hill) meeting 10 mm (0.39 in).
First to last qualifying date each year at Bretti (Vinegar Hill)
YearFirst dateLast date
19711971-01-131971-12-17
19721972-01-041972-11-27
19731973-02-101973-12-27
19741974-01-071974-12-24
19751975-01-041975-12-24
19761976-01-131976-12-24
19771977-01-111977-12-02
19781978-01-021978-12-29
19791979-01-181979-11-12
19801980-01-031980-12-31
19811981-02-011981-12-27
19821982-01-151982-12-28
19831983-01-031983-12-28
19841984-01-091984-12-31
19851985-02-081985-12-22
19871987-01-041987-12-30
19881988-01-031988-12-27
19891989-01-061989-12-14
19901990-01-141990-12-29
19911991-01-181991-12-31
19921992-01-011992-12-15
19931993-01-191993-12-21
19951995-01-031995-12-11
19961996-01-031996-12-18
19971997-01-261997-12-27
19981998-01-061998-12-19
19991999-01-091999-12-30
20002000-01-052000-12-02
20012001-01-182001-12-15
20022002-02-012002-12-27
20032003-01-022003-12-13
20042004-01-172004-12-25
20052005-01-172005-12-29
20062006-01-082006-12-21
20072007-01-252007-12-17
20082008-01-052008-12-13
20092009-02-112009-12-30

Every Fixed Threshold

Fixed thresholds at Bretti (Vinegar Hill)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3745199935
25 mm (0.98 in): Days with 25 mm or more rain3719200919
50 mm (1.97 in): Days with 50 mm or more rain35720013
100 mm (3.94 in): Days with 100 mm or more rain6219781

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1971.

Download the Data

  • Data for Bretti (Vinegar Hill) 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).