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Built 2026-10-19 (19 October 2026)

Wellfleet Threshold Days by Year (USC00259115)

5 fixed thresholds counted per year at Wellfleet (USC00259115): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wellfleet Thresholds

  • Wellfleet: days with 10 mm (0.39 in) or more of precipitation in 59 years, most in 1951 with 32.
  • Wellfleet: days with 25 mm (0.98 in) or more of precipitation in 58 years, most in 2010 with 10.
  • Wellfleet: days with 10 cm (3.9 in) or more of snowfall in 42 years, most in 1984 with 8.
  • Wellfleet: days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 2007 with 4.
  • 5 fixed thresholds have at least one qualifying day at Wellfleet.
59 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Wellfleet Days per year at Wellfleet with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 1951. 0102030401948: 161949: 201950: 201951: 321952: 121953: 181955: 151956: 111957: 241958: 191959: 151960: 141962: 251963: 151964: 171965: 231966: 201968: 161970: 111971: 231972: 201973: 221974: 91975: 171976: 151977: 181978: 141979: 221980: 131981: 161982: 231983: 171984: 251985: 171986: 201987: 281988: 181989: 111990: 161991: 231992: 221993: 241994: 201995: 161996: 161997: 131998: 121999: 182000: 162001: 162002: 62003: 142004: 182005: 222006: 162007: 242008: 222009: 212010: 221948195519621970197619821988199420002006
Days per year at Wellfleet with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 1951.
Days with 10 mm (0.39 in) or more of precipitation per year at Wellfleet
YearDaysDecade average
19481618
19492018
19502018.4
19513218.4
19521218.4
19531818.4
19551518.4
19561118.4
19572418.4
19581918.4
19591518.4
19601418.6
19622518.6
19631518.6
19641718.6
19652318.6
19662018.6
19681618.6
19701117.1
19712317.1
19722017.1
19732217.1
1974917.1
19751717.1
19761517.1
19771817.1
19781417.1
19792217.1
19801318.8
19811618.8
19822318.8
19831718.8
19842518.8
19851718.8
19862018.8
19872818.8
19881818.8
19891118.8
19901618
19912318
19922218
19932418
19942018
19951618
19961618
19971318
19981218
19991818
20001617.5
20011617.5
2002617.5
20031417.5
20041817.5
20052217.5
20061617.5
20072417.5
20082217.5
20092117.5
20102222
First to last qualifying date each year at Wellfleet For each year, a bar from the first to the last day at Wellfleet meeting 10 mm (0.39 in). 1948: 27 March 1948 to 21 November 19481949: 4 January 1949 to 10 October 19491950: 12 February 1950 to 2 October 19501951: 19 February 1951 to 25 November 19511952: 16 April 1952 to 1 September 19521953: 20 February 1953 to 7 November 19531955: 6 January 1955 to 25 September 19551956: 3 April 1956 to 5 September 19561957: 3 April 1957 to 15 November 19571958: 27 February 1958 to 14 September 19581959: 26 March 1959 to 30 October 19591960: 15 January 1960 to 19 October 19601962: 21 March 1962 to 20 December 19621963: 5 May 1963 to 22 November 19631964: 15 February 1964 to 9 September 19641965: 23 January 1965 to 11 December 19651966: 23 March 1966 to 22 December 19661968: 3 April 1968 to 16 October 19681970: 12 April 1970 to 9 November 19701971: 3 January 1971 to 18 November 19711972: 24 March 1972 to 13 November 19721973: 27 January 1973 to 19 December 19731974: 11 April 1974 to 9 August 19741975: 22 March 1975 to 25 November 19751976: 1 January 1976 to 7 October 19761977: 24 February 1977 to 17 December 19771978: 13 February 1978 to 2 December 19781979: 19 January 1979 to 22 November 19791980: 28 March 1980 to 16 October 19801981: 4 March 1981 to 30 November 19811982: 3 March 1982 to 28 December 19821983: 5 March 1983 to 28 November 19831984: 16 February 1984 to 14 December 19841985: 9 January 1985 to 18 October 19851986: 5 February 1986 to 11 October 19861987: 27 February 1987 to 8 December 19871988: 19 January 1988 to 20 December 19881989: 7 June 1989 to 12 September 19891990: 20 January 1990 to 28 November 19901991: 11 April 1991 to 12 December 19911992: 1 January 1992 to 7 October 19921993: 9 January 1993 to 12 November 19931994: 27 January 1994 to 7 December 19941995: 27 March 1995 to 24 October 19951996: 28 April 1996 to 25 September 19961997: 2 April 1997 to 26 October 19971998: 22 May 1998 to 3 November 19981999: 28 March 1999 to 29 August 19992000: 3 March 2000 to 12 November 20002001: 12 April 2001 to 24 November 20012002: 28 April 2002 to 30 October 20022003: 19 March 2003 to 3 November 20032004: 1 March 2004 to 18 November 20042005: 21 March 2005 to 28 November 20052006: 21 March 2006 to 30 December 20062007: 24 February 2007 to 15 October 20072008: 17 March 2008 to 23 October 20082009: 5 April 2009 to 30 October 20092010: 6 March 2010 to 12 November 201019481957196619761984199220002008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Wellfleet meeting 10 mm (0.39 in).
First to last qualifying date each year at Wellfleet
YearFirst dateLast date
19481948-03-271948-11-21
19491949-01-041949-10-10
19501950-02-121950-10-02
19511951-02-191951-11-25
19521952-04-161952-09-01
19531953-02-201953-11-07
19551955-01-061955-09-25
19561956-04-031956-09-05
19571957-04-031957-11-15
19581958-02-271958-09-14
19591959-03-261959-10-30
19601960-01-151960-10-19
19621962-03-211962-12-20
19631963-05-051963-11-22
19641964-02-151964-09-09
19651965-01-231965-12-11
19661966-03-231966-12-22
19681968-04-031968-10-16
19701970-04-121970-11-09
19711971-01-031971-11-18
19721972-03-241972-11-13
19731973-01-271973-12-19
19741974-04-111974-08-09
19751975-03-221975-11-25
19761976-01-011976-10-07
19771977-02-241977-12-17
19781978-02-131978-12-02
19791979-01-191979-11-22
19801980-03-281980-10-16
19811981-03-041981-11-30
19821982-03-031982-12-28
19831983-03-051983-11-28
19841984-02-161984-12-14
19851985-01-091985-10-18
19861986-02-051986-10-11
19871987-02-271987-12-08
19881988-01-191988-12-20
19891989-06-071989-09-12
19901990-01-201990-11-28
19911991-04-111991-12-12
19921992-01-011992-10-07
19931993-01-091993-11-12
19941994-01-271994-12-07
19951995-03-271995-10-24
19961996-04-281996-09-25
19971997-04-021997-10-26
19981998-05-221998-11-03
19991999-03-281999-08-29
20002000-03-032000-11-12
20012001-04-122001-11-24
20022002-04-282002-10-30
20032003-03-192003-11-03
20042004-03-012004-11-18
20052005-03-212005-11-28
20062006-03-212006-12-30
20072007-02-242007-10-15
20082008-03-172008-10-23
20092009-04-052009-10-30
20102010-03-062010-11-12

Every Fixed Threshold

Fixed thresholds at Wellfleet
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5932195122
25 mm (0.98 in): Days with 25 mm or more rain5810201010
50 mm (1.97 in): Days with 50 mm or more rain26420072
10 cm (3.9 in): Days with 10 cm or more snowfall42819843
25 cm (9.8 in): Days with 25 cm or more snowfall9119491

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.

Download the Data

  • Data for Wellfleet 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).