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Built 2026-10-18 (18 October 2026)

Jonesville Locks Threshold Days by Year

15 fixed thresholds counted per year at Jonesville Locks (USC00164739): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jonesville Locks Thresholds

  • Jonesville Locks: days with a maximum temperature at or above 30 C (86 F) in 49 years, most in 2010 with 156.
  • Jonesville Locks: days with a maximum temperature at or above 90 F (32.2 C) in 49 years, most in 2010 with 120.
  • Jonesville Locks: days with 10 mm (0.39 in) or more of precipitation in 49 years, most in 1973 with 58.
  • Jonesville Locks: days with 25 mm (0.98 in) or more of precipitation in 49 years, most in 1991 with 31.
  • 15 fixed thresholds have at least one qualifying day at Jonesville Locks.
49 years with a qualifying day
Days at or above 30 C (86 F) per year at Jonesville Locks Days per year at Jonesville Locks with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 156 in 2010. 0501001502001973: 1271974: 1091975: 1081976: 1061977: 1331978: 1351979: 1211980: 1381981: 1361982: 1341983: 1031984: 1231985: 1271986: 1361987: 1341988: 1151989: 1151990: 1301991: 1211992: 1151993: 1331995: 1291996: 1231997: 1231999: 1522000: 1412001: 1202002: 1422003: 1522004: 1492005: 1442006: 1272007: 1322008: 1172009: 1202010: 1562011: 1322012: 1192013: 1322014: 1242015: 1342016: 1292017: 1062018: 1432019: 1312020: 982022: 1202023: 1362026: 1321973197819831988199320002005201020152020
Days per year at Jonesville Locks with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 156 in 2010.
Days at or above 30 C (86 F) per year at Jonesville Locks
YearDaysDecade average
1973127119.9
1974109119.9
1975108119.9
1976106119.9
1977133119.9
1978135119.9
1979121119.9
1980138126.1
1981136126.1
1982134126.1
1983103126.1
1984123126.1
1985127126.1
1986136126.1
1987134126.1
1988115126.1
1989115126.1
1990130128.3
1991121128.3
1992115128.3
1993133128.3
1995129128.3
1996123128.3
1997123128.3
1999152128.3
2000141134.4
2001120134.4
2002142134.4
2003152134.4
2004149134.4
2005144134.4
2006127134.4
2007132134.4
2008117134.4
2009120134.4
2010156130.6
2011132130.6
2012119130.6
2013132130.6
2014124130.6
2015134130.6
2016129130.6
2017106130.6
2018143130.6
2019131130.6
202098121.5
2022120121.5
2023136121.5
2026132121.5
First to last qualifying date each year at Jonesville Locks For each year, a bar from the first to the last day at Jonesville Locks meeting 30 C (86 F). 1973: 11 May 1973 to 12 October 19731974: 1 May 1974 to 13 October 19741975: 13 March 1975 to 14 October 19751976: 24 April 1976 to 5 October 19761977: 4 May 1977 to 9 October 19771978: 19 April 1978 to 31 October 19781979: 17 April 1979 to 31 October 19791980: 22 April 1980 to 18 October 19801981: 10 April 1981 to 18 October 19811982: 19 March 1982 to 10 October 19821983: 15 May 1983 to 22 October 19831984: 21 April 1984 to 1 November 19841985: 20 April 1985 to 19 October 19851986: 8 April 1986 to 6 October 19861987: 18 April 1987 to 3 October 19871988: 22 April 1988 to 30 September 19881989: 23 April 1989 to 9 November 19891990: 23 April 1990 to 9 October 19901991: 12 May 1991 to 14 October 19911992: 6 May 1992 to 27 October 19921993: 7 May 1993 to 21 October 19931995: 20 April 1995 to 6 October 19951996: 5 May 1996 to 27 September 19961997: 15 May 1997 to 12 October 19971999: 8 April 1999 to 18 October 19992000: 19 April 2000 to 6 October 20002001: 5 April 2001 to 25 October 20012002: 18 April 2002 to 7 October 20022003: 19 April 2003 to 6 November 20032004: 23 April 2004 to 1 November 20042005: 29 April 2005 to 8 November 20052006: 3 May 2006 to 20 October 20062007: 1 May 2007 to 24 October 20072008: 23 April 2008 to 16 October 20082009: 23 April 2009 to 16 October 20092010: 3 May 2010 to 31 October 20102011: 9 April 2011 to 18 October 20112012: 30 April 2012 to 6 October 20122013: 19 May 2013 to 5 November 20132014: 28 April 2014 to 13 October 20142015: 8 May 2015 to 17 October 20152016: 18 March 2016 to 1 November 20162017: 29 April 2017 to 22 October 20172018: 3 May 2018 to 16 October 20182019: 2 May 2019 to 25 October 20192020: 13 March 2020 to 25 September 20202022: 30 April 2022 to 19 October 20222023: 5 April 2023 to 3 November 20232026: 7 March 2026 to 14 October 20261973198019871995200320102017JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Jonesville Locks meeting 30 C (86 F).
First to last qualifying date each year at Jonesville Locks
YearFirst dateLast date
19731973-05-111973-10-12
19741974-05-011974-10-13
19751975-03-131975-10-14
19761976-04-241976-10-05
19771977-05-041977-10-09
19781978-04-191978-10-31
19791979-04-171979-10-31
19801980-04-221980-10-18
19811981-04-101981-10-18
19821982-03-191982-10-10
19831983-05-151983-10-22
19841984-04-211984-11-01
19851985-04-201985-10-19
19861986-04-081986-10-06
19871987-04-181987-10-03
19881988-04-221988-09-30
19891989-04-231989-11-09
19901990-04-231990-10-09
19911991-05-121991-10-14
19921992-05-061992-10-27
19931993-05-071993-10-21
19951995-04-201995-10-06
19961996-05-051996-09-27
19971997-05-151997-10-12
19991999-04-081999-10-18
20002000-04-192000-10-06
20012001-04-052001-10-25
20022002-04-182002-10-07
20032003-04-192003-11-06
20042004-04-232004-11-01
20052005-04-292005-11-08
20062006-05-032006-10-20
20072007-05-012007-10-24
20082008-04-232008-10-16
20092009-04-232009-10-16
20102010-05-032010-10-31
20112011-04-092011-10-18
20122012-04-302012-10-06
20132013-05-192013-11-05
20142014-04-282014-10-13
20152015-05-082015-10-17
20162016-03-182016-11-01
20172017-04-292017-10-22
20182018-05-032018-10-16
20192019-05-022019-10-25
20202020-03-132020-09-25
20222022-04-302022-10-19
20232023-04-052023-11-03
20262026-03-072026-10-14

Every Fixed Threshold

Fixed thresholds at Jonesville Locks
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days491562010132
35 C (95 F): Days4866198036
40 C (104 F): Days5720004
90 F (32.2 C): Days491202010101
100 F (37.8 C): Days212420003
0 C (32 F): Ice days (max17919893
0 C (32 F): Frost days (min4555197822
-10 C (14 F): Days with min5319823
20 C (68 F): Tropical nights (min451411991122
25 C (77 F): Days with min4034201116
10 mm (0.39 in): Days with 10 mm or more rain4958197325
25 mm (0.98 in): Days with 25 mm or more rain4931199112
50 mm (1.97 in): Days with 50 mm or more rain491119734
100 mm (3.94 in): Days with 100 mm or more rain26419823
200 mm (7.87 in): Days with 200 mm or more rain2120081

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1973.

Download the Data

  • Data for Jonesville Locks 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 (2026-10-17).