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Built 2026-10-18 (18 October 2026)

Blanchetown Lock 1 Threshold Days by Year

3 fixed thresholds counted per year at Blanchetown Lock 1 (ASN00024564): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Blanchetown Lock 1 Thresholds

  • Blanchetown Lock 1: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 1974 with 18.
  • Blanchetown Lock 1: days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 1973 with 7.
  • Blanchetown Lock 1: days with 50 mm (1.97 in) or more of precipitation in 7 years, most in 2011 with 2.
  • 3 fixed thresholds have at least one qualifying day at Blanchetown Lock 1.
55 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Blanchetown Lock 1 Days per year at Blanchetown Lock 1 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1974. 051015201969: 81970: 31971: 41972: 21973: 131974: 181975: 51976: 71977: 21978: 71979: 111980: 71981: 31982: 21983: 101984: 61985: 71986: 61987: 71988: 71989: 51990: 41991: 61992: 151993: 81994: 31995: 91996: 61997: 91998: 111999: 72000: 92001: 72002: 32003: 62004: 32005: 92006: 52007: 82008: 32009: 52010: 132011: 102014: 72015: 72016: 92017: 82019: 42020: 72021: 32022: 92023: 52024: 32025: 42026: 71969197519811987199319992005201120202026
Days per year at Blanchetown Lock 1 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Blanchetown Lock 1
YearDaysDecade average
196988
197037.2
197147.2
197227.2
1973137.2
1974187.2
197557.2
197677.2
197727.2
197877.2
1979117.2
198076
198136
198226
1983106
198466
198576
198666
198776
198876
198956
199047.8
199167.8
1992157.8
199387.8
199437.8
199597.8
199667.8
199797.8
1998117.8
199977.8
200095.8
200175.8
200235.8
200365.8
200435.8
200595.8
200655.8
200785.8
200835.8
200955.8
2010138.3
2011108.3
201478.3
201578.3
201698.3
201788.3
201948.3
202075.4
202135.4
202295.4
202355.4
202435.4
202545.4
202675.4
First to last qualifying date each year at Blanchetown Lock 1 For each year, a bar from the first to the last day at Blanchetown Lock 1 meeting 10 mm (0.39 in). 1969: 9 February 1969 to 1 December 19691970: 22 April 1970 to 11 November 19701971: 15 March 1971 to 8 June 19711972: 7 January 1972 to 11 January 19721973: 5 February 1973 to 30 December 19731974: 13 January 1974 to 24 October 19741975: 8 January 1975 to 24 October 19751976: 1 September 1976 to 13 November 19761977: 28 November 1977 to 29 November 19771978: 10 April 1978 to 19 November 19781979: 17 January 1979 to 15 November 19791980: 1 January 1980 to 23 October 19801981: 21 July 1981 to 10 November 19811982: 25 January 1982 to 16 April 19821983: 4 March 1983 to 31 December 19831984: 7 April 1984 to 11 November 19841985: 16 March 1985 to 10 December 19851986: 1 July 1986 to 17 November 19861987: 25 January 1987 to 1 December 19871988: 20 April 1988 to 5 November 19881989: 14 March 1989 to 2 December 19891990: 17 May 1990 to 26 September 19901991: 2 June 1991 to 4 November 19911992: 1 March 1992 to 20 December 19921993: 25 January 1993 to 22 December 19931994: 6 June 1994 to 8 December 19941995: 15 January 1995 to 22 October 19951996: 27 February 1996 to 29 September 19961997: 22 January 1997 to 19 December 19971998: 10 January 1998 to 12 November 19981999: 13 February 1999 to 3 December 19992000: 20 February 2000 to 22 December 20002001: 3 January 2001 to 23 November 20012002: 19 May 2002 to 31 December 20022003: 20 February 2003 to 20 December 20032004: 2 June 2004 to 8 December 20042005: 29 January 2005 to 2 December 20052006: 22 January 2006 to 15 July 20062007: 19 January 2007 to 30 November 20072008: 9 June 2008 to 13 December 20082009: 24 April 2009 to 8 December 20092010: 13 January 2010 to 8 December 20102011: 5 February 2011 to 18 December 20112014: 14 February 2014 to 21 November 20142015: 10 January 2015 to 5 November 20152016: 10 March 2016 to 29 December 20162017: 10 January 2017 to 1 December 20172019: 7 February 2019 to 2 November 20192020: 6 January 2020 to 8 October 20202021: 7 November 2021 to 24 November 20212022: 27 January 2022 to 22 December 20222023: 7 June 2023 to 29 November 20232024: 17 January 2024 to 24 November 20242025: 26 July 2025 to 29 November 20252026: 23 February 2026 to 25 August 202619691976198319901997200420112021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Blanchetown Lock 1 meeting 10 mm (0.39 in).
First to last qualifying date each year at Blanchetown Lock 1
YearFirst dateLast date
19691969-02-091969-12-01
19701970-04-221970-11-11
19711971-03-151971-06-08
19721972-01-071972-01-11
19731973-02-051973-12-30
19741974-01-131974-10-24
19751975-01-081975-10-24
19761976-09-011976-11-13
19771977-11-281977-11-29
19781978-04-101978-11-19
19791979-01-171979-11-15
19801980-01-011980-10-23
19811981-07-211981-11-10
19821982-01-251982-04-16
19831983-03-041983-12-31
19841984-04-071984-11-11
19851985-03-161985-12-10
19861986-07-011986-11-17
19871987-01-251987-12-01
19881988-04-201988-11-05
19891989-03-141989-12-02
19901990-05-171990-09-26
19911991-06-021991-11-04
19921992-03-011992-12-20
19931993-01-251993-12-22
19941994-06-061994-12-08
19951995-01-151995-10-22
19961996-02-271996-09-29
19971997-01-221997-12-19
19981998-01-101998-11-12
19991999-02-131999-12-03
20002000-02-202000-12-22
20012001-01-032001-11-23
20022002-05-192002-12-31
20032003-02-202003-12-20
20042004-06-022004-12-08
20052005-01-292005-12-02
20062006-01-222006-07-15
20072007-01-192007-11-30
20082008-06-092008-12-13
20092009-04-242009-12-08
20102010-01-132010-12-08
20112011-02-052011-12-18
20142014-02-142014-11-21
20152015-01-102015-11-05
20162016-03-102016-12-29
20172017-01-102017-12-01
20192019-02-072019-11-02
20202020-01-062020-10-08
20212021-11-072021-11-24
20222022-01-272022-12-22
20232023-06-072023-11-29
20242024-01-172024-11-24
20252025-07-262025-11-29
20262026-02-232026-08-25

Every Fixed Threshold

Fixed thresholds at Blanchetown Lock 1
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain551819747
25 mm (0.98 in): Days with 25 mm or more rain37719731
50 mm (1.97 in): Days with 50 mm or more rain7220112

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1969.

Download the Data

  • Data for Blanchetown Lock 1 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-17).