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Built 2026-10-18 (18 October 2026)

Wellstead Threshold Days by Year

4 fixed thresholds counted per year at Wellstead (ASN00009837): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wellstead Thresholds

  • Wellstead: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1976 with 21.
  • Wellstead: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1978 with 6.
  • Wellstead: days with 50 mm (1.97 in) or more of precipitation in 13 years, most in 1982 with 3.
  • Wellstead: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 2000 with 1.
  • 4 fixed thresholds have at least one qualifying day at Wellstead.
36 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Wellstead Days per year at Wellstead with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1976. 01020301974: 91975: 101976: 211977: 101978: 201979: 141981: 91982: 81983: 161984: 61985: 121986: 111987: 101988: 141989: 171990: 131991: 141992: 191993: 161994: 81995: 91996: 61997: 141998: 121999: 112000: 102001: 142002: 32003: 152004: 32005: 182006: 62008: 152009: 92010: 42012: 9197419781983198719911995199920032008
Days per year at Wellstead with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1976.
Days with 10 mm (0.39 in) or more of precipitation per year at Wellstead
YearDaysDecade average
1974914
19751014
19762114
19771014
19782014
19791414
1981911.4
1982811.4
19831611.4
1984611.4
19851211.4
19861111.4
19871011.4
19881411.4
19891711.4
19901312.2
19911412.2
19921912.2
19931612.2
1994812.2
1995912.2
1996612.2
19971412.2
19981212.2
19991112.2
20001010.3
20011410.3
2002310.3
20031510.3
2004310.3
20051810.3
2006610.3
20081510.3
2009910.3
201046.5
201296.5
First to last qualifying date each year at Wellstead For each year, a bar from the first to the last day at Wellstead meeting 10 mm (0.39 in). 1974: 4 April 1974 to 19 November 19741975: 2 April 1975 to 17 November 19751976: 7 January 1976 to 28 November 19761977: 18 May 1977 to 28 November 19771978: 5 January 1978 to 15 December 19781979: 21 February 1979 to 13 November 19791981: 4 April 1981 to 5 November 19811982: 18 January 1982 to 27 November 19821983: 27 February 1983 to 31 December 19831984: 6 June 1984 to 14 September 19841985: 18 January 1985 to 23 November 19851986: 22 February 1986 to 12 August 19861987: 26 March 1987 to 2 November 19871988: 24 March 1988 to 24 July 19881989: 27 February 1989 to 13 November 19891990: 29 January 1990 to 16 November 19901991: 26 February 1991 to 26 December 19911992: 10 February 1992 to 20 November 19921993: 6 February 1993 to 10 November 19931994: 12 May 1994 to 15 October 19941995: 24 February 1995 to 29 December 19951996: 16 June 1996 to 22 October 19961997: 20 February 1997 to 17 December 19971998: 11 March 1998 to 13 September 19981999: 1 February 1999 to 13 December 19992000: 15 January 2000 to 9 May 20002001: 5 June 2001 to 19 December 20012002: 17 April 2002 to 15 September 20022003: 17 February 2003 to 26 October 20032004: 5 January 2004 to 12 June 20042005: 19 March 2005 to 27 November 20052006: 13 January 2006 to 19 August 20062008: 1 April 2008 to 11 December 20082009: 2 March 2009 to 7 November 20092010: 10 February 2010 to 5 June 20102012: 6 January 2012 to 6 December 201219741979198519901995200020052012JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Wellstead meeting 10 mm (0.39 in).
First to last qualifying date each year at Wellstead
YearFirst dateLast date
19741974-04-041974-11-19
19751975-04-021975-11-17
19761976-01-071976-11-28
19771977-05-181977-11-28
19781978-01-051978-12-15
19791979-02-211979-11-13
19811981-04-041981-11-05
19821982-01-181982-11-27
19831983-02-271983-12-31
19841984-06-061984-09-14
19851985-01-181985-11-23
19861986-02-221986-08-12
19871987-03-261987-11-02
19881988-03-241988-07-24
19891989-02-271989-11-13
19901990-01-291990-11-16
19911991-02-261991-12-26
19921992-02-101992-11-20
19931993-02-061993-11-10
19941994-05-121994-10-15
19951995-02-241995-12-29
19961996-06-161996-10-22
19971997-02-201997-12-17
19981998-03-111998-09-13
19991999-02-011999-12-13
20002000-01-152000-05-09
20012001-06-052001-12-19
20022002-04-172002-09-15
20032003-02-172003-10-26
20042004-01-052004-06-12
20052005-03-192005-11-27
20062006-01-132006-08-19
20082008-04-012008-12-11
20092009-03-022009-11-07
20102010-02-102010-06-05
20122012-01-062012-12-06

Every Fixed Threshold

Fixed thresholds at Wellstead
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain362119769
25 mm (0.98 in): Days with 25 mm or more rain32619781
50 mm (1.97 in): Days with 50 mm or more rain13319821
100 mm (3.94 in): Days with 100 mm or more rain2120001

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1974.

Download the Data

  • Data for Wellstead 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).