Jonesville Locks Weather Records (USC00164739)
Record envelope, standing records and threshold days for Jonesville Locks (USC00164739), Louisiana, United States, with 55 years of record.
Key Facts for Jonesville Locks
- Jonesville Locks (USC00164739) is a weather station in Louisiana, United States at 31.48 latitude and -91.86 longitude, 21 m (70 ft) above sea level.
- The station reports from 1972 to 2026, 55 years of record.
- 1,464 records set at Jonesville Locks still stand.
- Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
- Jonesville Locks set a daily record high maximum temperature of 35.6 C (96.1 F) on 28 September 2026 (provisional).
Provisional Records
Records set in the last 60 days are provisional until they clear the revision window.
About the Station
- Location: Louisiana, United States, 31.48 latitude, -91.86 longitude.
- Elevation: 21 m (70 ft).
- Period of record: 1972 to 2026, 55 years.
- Eligible elements: tmax, tmin, prcp, snow, snwd.
Daily Record Envelope and 2026
19 days at or beyond a record| Month | Highest record high | Lowest record low | 2026 highest maximum | 2026 lowest minimum |
|---|---|---|---|---|
| Jan | 27.8 C (82.0 F) | -13.3 C (8.1 F) | 25.0 C (77.0 F) | -7.8 C (18.0 F) |
| Feb | 29.4 C (84.9 F) | -11.1 C (12.0 F) | 27.8 C (82.0 F) | -2.8 C (27.0 F) |
| Mar | 31.1 C (88.0 F) | -7.2 C (19.0 F) | 30.6 C (87.1 F) | -0.6 C (30.9 F) |
| Apr | 35.0 C (95.0 F) | -0.6 C (30.9 F) | 31.7 C (89.1 F) | 6.7 C (44.1 F) |
| May | 36.1 C (97.0 F) | 6.1 C (43.0 F) | 33.3 C (91.9 F) | 9.4 C (48.9 F) |
| Jun | 39.4 C (102.9 F) | 11.7 C (53.1 F) | 34.4 C (93.9 F) | 18.3 C (64.9 F) |
| Jul | 38.9 C (102.0 F) | 13.9 C (57.0 F) | 36.1 C (97.0 F) | 21.7 C (71.1 F) |
| Aug | 41.1 C (106.0 F) | 13.9 C (57.0 F) | 37.8 C (100.0 F) | 20.6 C (69.1 F) |
| Sep | 41.7 C (107.1 F) | 6.1 C (43.0 F) | 37.2 C (99.0 F) | 16.7 C (62.1 F) |
| Oct | 36.7 C (98.1 F) | -2.2 C (28.0 F) | 33.3 C (91.9 F) | 14.4 C (57.9 F) |
| Nov | 31.1 C (88.0 F) | -6.1 C (21.0 F) | n/a | n/a |
| Dec | 32.8 C (91.0 F) | -13.9 C (7.0 F) | n/a | n/a |
Which Years Hold Standing Records
1,464 standing records| Year set | Standing records |
|---|---|
| 1972 | 35 |
| 1973 | 28 |
| 1974 | 43 |
| 1975 | 26 |
| 1976 | 32 |
| 1977 | 27 |
| 1978 | 28 |
| 1979 | 23 |
| 1980 | 42 |
| 1981 | 20 |
| 1982 | 43 |
| 1983 | 35 |
| 1984 | 32 |
| 1985 | 33 |
| 1986 | 21 |
| 1987 | 25 |
| 1988 | 19 |
| 1989 | 65 |
| 1990 | 21 |
| 1991 | 25 |
| 1992 | 19 |
| 1993 | 30 |
| 1994 | 17 |
| 1995 | 22 |
| 1996 | 25 |
| 1997 | 18 |
| 1998 | 42 |
| 1999 | 34 |
| 2000 | 42 |
| 2001 | 23 |
| 2002 | 28 |
| 2003 | 21 |
| 2004 | 22 |
| 2005 | 19 |
| 2006 | 16 |
| 2007 | 24 |
| 2008 | 19 |
| 2009 | 14 |
| 2010 | 34 |
| 2011 | 21 |
| 2012 | 18 |
| 2013 | 18 |
| 2014 | 31 |
| 2015 | 24 |
| 2016 | 8 |
| 2017 | 18 |
| 2018 | 18 |
| 2019 | 16 |
| 2020 | 19 |
| 2021 | 66 |
| 2022 | 28 |
| 2023 | 41 |
| 2024 | 11 |
| 2025 | 18 |
| 2026 | 17 |
All-Time Record Progression
3 new records| Date | Kind | Detail |
|---|---|---|
| 2008-09-03 | Record daily precipitation | Record daily precipitation 330.2 mm (13.0 in) |
| 2010-08-04 | Record high minimum temperature | Record high minimum temperature 27.2 C (81.0 F) |
| 2023-08-22 | Record high minimum temperature | Record high minimum temperature 28.9 C (84.0 F) |
Wettest Day of Each Month
Sep: 330.2 mm (13.0 in)| Month | Record daily precipitation (mm) | Date |
|---|---|---|
| Jan | 180.3 mm (7.1 in) | 20 January 1979 |
| Feb | 107.2 mm (4.2 in) | 16 February 1982 |
| Mar | 143.0 mm (5.6 in) | 4 March 1977 |
| Apr | 140.0 mm (5.5 in) | 13 April 1974 |
| May | 147.3 mm (5.8 in) | 4 May 1975 |
| Jun | 182.1 mm (7.2 in) | 7 June 1984 |
| Jul | 99.1 mm (3.9 in) | 6 July 1995 |
| Aug | 102.1 mm (4.0 in) | 27 August 1992 |
| Sep | 330.2 mm (13.0 in) | 3 September 2008 |
| Oct | 170.2 mm (6.7 in) | 10 October 2020 |
| Nov | 231.1 mm (9.1 in) | 10 November 2024 |
| Dec | 106.9 mm (4.2 in) | 27 December 1982 |
Period of Record Coverage
1972 to 2026| Year | Days with data | Share of year | Complete |
|---|---|---|---|
| 1972 | 268 | 73% | No |
| 1973 | 360 | 99% | Yes |
| 1974 | 362 | 99% | Yes |
| 1975 | 358 | 98% | Yes |
| 1976 | 364 | 99% | Yes |
| 1977 | 364 | 100% | Yes |
| 1978 | 363 | 99% | Yes |
| 1979 | 364 | 100% | Yes |
| 1980 | 365 | 100% | Yes |
| 1981 | 364 | 100% | Yes |
| 1982 | 364 | 100% | Yes |
| 1983 | 364 | 100% | Yes |
| 1984 | 365 | 100% | Yes |
| 1985 | 364 | 100% | Yes |
| 1986 | 363 | 99% | Yes |
| 1987 | 365 | 100% | Yes |
| 1988 | 365 | 100% | Yes |
| 1989 | 365 | 100% | Yes |
| 1990 | 365 | 100% | Yes |
| 1991 | 363 | 99% | Yes |
| 1992 | 347 | 95% | Yes |
| 1993 | 365 | 100% | Yes |
| 1994 | 304 | 83% | No |
| 1995 | 364 | 100% | Yes |
| 1996 | 355 | 97% | Yes |
| 1997 | 331 | 91% | Yes |
| 1998 | 303 | 83% | No |
| 1999 | 364 | 100% | Yes |
| 2000 | 364 | 99% | Yes |
| 2001 | 364 | 100% | Yes |
| 2002 | 361 | 99% | Yes |
| 2003 | 360 | 99% | Yes |
| 2004 | 364 | 99% | Yes |
| 2005 | 365 | 100% | Yes |
| 2006 | 331 | 91% | Yes |
| 2007 | 364 | 100% | Yes |
| 2008 | 362 | 99% | Yes |
| 2009 | 363 | 99% | Yes |
| 2010 | 359 | 98% | Yes |
| 2011 | 361 | 99% | Yes |
| 2012 | 363 | 99% | Yes |
| 2013 | 355 | 97% | Yes |
| 2014 | 355 | 97% | Yes |
| 2015 | 348 | 95% | Yes |
| 2016 | 348 | 95% | Yes |
| 2017 | 337 | 92% | Yes |
| 2018 | 351 | 96% | Yes |
| 2019 | 358 | 98% | Yes |
| 2020 | 357 | 98% | Yes |
| 2021 | 325 | 89% | No |
| 2022 | 339 | 93% | Yes |
| 2023 | 334 | 92% | Yes |
| 2024 | 262 | 72% | No |
| 2025 | 328 | 90% | No |
| 2026 | 254 | 70% | No |
Latest Records
20| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 28 September 2026 | Jonesville Locks, US | daily high max (Provisional) | 35.6 C (96.1 F) | 1.2 C (2.2 F) | 28 years | 16 of 100 (Routine) |
| 16 September 2026 | Jonesville Locks, US | daily high min (Tie, Provisional) | 23.9 C (75.0 F) | tie | 20 years | 2 of 100 (Routine) |
| 15 September 2026 | Jonesville Locks, US | daily high min (Provisional) | 24.4 C (75.9 F) | 1.1 C (2.0 F) | 20 years | 14 of 100 (Routine) |
| 14 September 2026 | Jonesville Locks, US | daily high min (Tie, Provisional) | 25.0 C (77.0 F) | tie | 17 years | 2 of 100 (Routine) |
| 9 September 2026 | Jonesville Locks, US | daily rain (Provisional) | 20.3 mm (0.8 in) | 0.7 mm (0.03 in) | 29 years | 13 of 100 (Routine) |
| 9 September 2026 | Jonesville Locks, US | daily high max (Tie, Provisional) | 36.1 C (97.0 F) | tie | 53 years | 5 of 100 (Routine) |
| 24 August 2026 | Jonesville Locks, US | daily high min (Tie, Provisional) | 25.0 C (77.0 F) | tie | 15 years | 2 of 100 (Routine) |
| 20 August 2026 | Jonesville Locks, US | daily high min (Provisional) | 26.1 C (79.0 F) | 1.1 C (2.0 F) | 20 years | 17 of 100 (Routine) |
| 19 August 2026 | Jonesville Locks, US | daily high min (Provisional) | 25.6 C (78.1 F) | 0.6 C (1.1 F) | 32 years | 17 of 100 (Routine) |
| 18 August 2026 | Jonesville Locks, US | daily high min (Provisional) | 26.1 C (79.0 F) | 1.1 C (2.0 F) | 16 years | 15 of 100 (Routine) |
| 17 August 2026 | Jonesville Locks, US | daily high min (Provisional) | 25.6 C (78.1 F) | 0.6 C (1.1 F) | 28 years | 16 of 100 (Routine) |
| 16 August 2026 | Jonesville Locks, US | daily high min (Provisional) | 26.1 C (79.0 F) | 0.5 C (0.9 F) | 19 years | 12 of 100 (Routine) |
| 22 July 2026 | Jonesville Locks, US | monthly high min (Tie) | 26.7 C (80.1 F) | tie | 28 years | 5 of 100 (Routine) |
| 23 June 2026 | Jonesville Locks, US | daily high min | 25.6 C (78.1 F) | 0.6 C (1.1 F) | 7 years | 9 of 100 (Routine) |
| 21 June 2026 | Jonesville Locks, US | daily rain | 24.1 mm (0.9 in) | 4.8 mm (0.19 in) | 32 years | 16 of 100 (Routine) |
| 19 June 2026 | Jonesville Locks, US | daily rain | 63.5 mm (2.5 in) | 26.2 mm (1.0 in) | 19 years | 26 of 100 (Routine) |
| 17 June 2026 | Jonesville Locks, US | daily rain | 28.4 mm (1.1 in) | 5.0 mm (0.20 in) | 44 years | 21 of 100 (Routine) |
| 16 June 2026 | Jonesville Locks, US | daily rain | 82.5 mm (3.2 in) | 64.0 mm (2.5 in) | 51 years | 59 of 100 (Notable) |
| 1 June 2026 | Jonesville Locks, US | daily high min (Tie) | 23.9 C (75.0 F) | tie | 12 years | 2 of 100 (Routine) |
| 31 May 2026 | Jonesville Locks, US | daily high min (Tie) | 23.3 C (73.9 F) | tie | 52 years | 5 of 100 (Routine) |
Climate Trend
45 complete years, 1973 to 2025| Year | Annual mean temperature | Difference from the station mean |
|---|---|---|
| 1973 | 19.1 C | +0.02 C |
| 1974 | 19.0 C | -0.07 C |
| 1975 | 18.7 C | -0.39 C |
| 1976 | 17.8 C | -1.22 C |
| 1977 | 18.9 C | -0.16 C |
| 1978 | 18.3 C | -0.75 C |
| 1979 | 18.1 C | -0.96 C |
| 1980 | 18.8 C | -0.23 C |
| 1981 | 18.7 C | -0.33 C |
| 1982 | 19.0 C | -0.02 C |
| 1983 | 17.9 C | -1.17 C |
| 1984 | 18.8 C | -0.20 C |
| 1985 | 18.9 C | -0.14 C |
| 1986 | 19.6 C | +0.60 C |
| 1987 | 19.0 C | -0.03 C |
| 1988 | 18.4 C | -0.65 C |
| 1989 | 18.0 C | -1.00 C |
| 1990 | 19.6 C | +0.56 C |
| 1991 | 19.1 C | +0.03 C |
| 1993 | 18.4 C | -0.63 C |
| 1995 | 19.1 C | +0.02 C |
| 1996 | 19.0 C | -0.03 C |
| 1999 | 19.9 C | +0.81 C |
| 2000 | 19.4 C | +0.33 C |
| 2001 | 19.2 C | +0.18 C |
| 2002 | 19.4 C | +0.40 C |
| 2003 | 19.2 C | +0.20 C |
| 2004 | 19.5 C | +0.42 C |
| 2005 | 19.6 C | +0.53 C |
| 2007 | 19.5 C | +0.42 C |
| 2008 | 19.0 C | +0.00 C |
| 2009 | 19.2 C | +0.14 C |
| 2010 | 19.2 C | +0.17 C |
| 2011 | 19.7 C | +0.61 C |
| 2012 | 20.2 C | +1.20 C |
| 2013 | 18.9 C | -0.18 C |
| 2014 | 17.9 C | -1.12 C |
| 2015 | 19.8 C | +0.73 C |
| 2016 | 20.0 C | +0.94 C |
| 2017 | 20.1 C | +1.08 C |
| 2018 | 19.0 C | +0.00 C |
| 2019 | 18.8 C | -0.20 C |
| 2020 | 19.1 C | +0.02 C |
| 2022 | 18.7 C | -0.34 C |
| 2025 | 19.4 C | +0.38 C |
The annual mean temperature here has risen by 0.2 C (0.1 to 0.3) per decade over 1973 to 2025. In Fahrenheit: 0.3 F (0.1 to 0.5) per decade. The slope is a straight line fitted to 45 complete years; the brackets give its 95 percent interval.
| Measure | Per decade (C) | Per decade (F) | Period | Complete years | Reading |
|---|---|---|---|---|---|
| Annual mean temperature | 0.2 C (0.1 to 0.3) per decade | 0.3 F (0.1 to 0.5) per decade | 1973 to 2025 | 45 | Rise |
| Mean daily maximum | 0.16 C (0.04 to 0.29) per decade | 0.3 F (0.1 to 0.5) per decade | 1973 to 2025 | 45 | Rise |
| Mean daily minimum | 0.2 C (0.1 to 0.3) per decade | 0.3 F (0.1 to 0.6) per decade | 1973 to 2025 | 45 | Rise |
A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.
Extremes by Year
1972 to 2026| Measure | Record | Year of the record | Median year | Years with a value |
|---|---|---|---|---|
| Hottest day (TXx) | 41.7 C (107.1 F) | 2000 | 37.2 C (99.0 F) | 55 |
| Coldest night (TNn) | -13.9 C (7.0 F) | 1989 | -6.1 C (21.0 F) | 55 |
| Wettest day (Rx1day) | 330.2 mm (13.0 in) | 2008 | 102.4 mm (4.0 in) | 55 |
| Wettest five days (Rx5day) | 483.4 mm (19.0 in) | 2008 | 159.5 mm (6.3 in) | 55 |
| Longest dry spell (CDD) | 39 days | 2012 | 23 days | 55 |
Hottest day (TXx)
| Year | Hottest day (TXx) |
|---|---|
| 1972 | 37.2 C (99.0 F) |
| 1973 | 36.1 C (97.0 F) |
| 1974 | 36.7 C (98.1 F) |
| 1975 | 34.4 C (93.9 F) |
| 1976 | 35.6 C (96.1 F) |
| 1977 | 39.4 C (102.9 F) |
| 1978 | 36.7 C (98.1 F) |
| 1979 | 36.1 C (97.0 F) |
| 1980 | 38.9 C (102.0 F) |
| 1981 | 37.2 C (99.0 F) |
| 1982 | 35.6 C (96.1 F) |
| 1983 | 36.7 C (98.1 F) |
| 1984 | 35.6 C (96.1 F) |
| 1985 | 37.2 C (99.0 F) |
| 1986 | 38.9 C (102.0 F) |
| 1987 | 36.1 C (97.0 F) |
| 1988 | 37.2 C (99.0 F) |
| 1989 | 36.7 C (98.1 F) |
| 1990 | 37.8 C (100.0 F) |
| 1991 | 35.0 C (95.0 F) |
| 1992 | 35.0 C (95.0 F) |
| 1993 | 38.3 C (100.9 F) |
| 1994 | 36.1 C (97.0 F) |
| 1995 | 38.3 C (100.9 F) |
| 1996 | 36.1 C (97.0 F) |
| 1997 | 36.7 C (98.1 F) |
| 1998 | 41.1 C (106.0 F) |
| 1999 | 40.0 C (104.0 F) |
| 2000 | 41.7 C (107.1 F) |
| 2001 | 36.1 C (97.0 F) |
| 2002 | 37.8 C (100.0 F) |
| 2003 | 36.7 C (98.1 F) |
| 2004 | 36.7 C (98.1 F) |
| 2005 | 38.9 C (102.0 F) |
| 2006 | 38.3 C (100.9 F) |
| 2007 | 40.0 C (104.0 F) |
| 2008 | 38.9 C (102.0 F) |
| 2009 | 37.8 C (100.0 F) |
| 2010 | 40.0 C (104.0 F) |
| 2011 | 38.9 C (102.0 F) |
| 2012 | 37.8 C (100.0 F) |
| 2013 | 36.1 C (97.0 F) |
| 2014 | 35.6 C (96.1 F) |
| 2015 | 38.9 C (102.0 F) |
| 2016 | 37.2 C (99.0 F) |
| 2017 | 35.6 C (96.1 F) |
| 2018 | 37.2 C (99.0 F) |
| 2019 | 37.2 C (99.0 F) |
| 2020 | 35.6 C (96.1 F) |
| 2021 | 37.8 C (100.0 F) |
| 2022 | 37.8 C (100.0 F) |
| 2023 | 40.0 C (104.0 F) |
| 2024 | 38.3 C (100.9 F) |
| 2025 | 36.1 C (97.0 F) |
| 2026 | 37.8 C (100.0 F) |
Coldest night (TNn)
| Year | Coldest night (TNn) |
|---|---|
| 1972 | -6.1 C (21.0 F) |
| 1973 | -5.0 C (23.0 F) |
| 1974 | -3.9 C (25.0 F) |
| 1975 | -6.1 C (21.0 F) |
| 1976 | -6.7 C (19.9 F) |
| 1977 | -9.4 C (15.1 F) |
| 1978 | -5.6 C (21.9 F) |
| 1979 | -8.3 C (17.1 F) |
| 1980 | -6.1 C (21.0 F) |
| 1981 | -7.8 C (18.0 F) |
| 1982 | -13.3 C (8.1 F) |
| 1983 | -12.8 C (9.0 F) |
| 1984 | -8.9 C (16.0 F) |
| 1985 | -12.8 C (9.0 F) |
| 1986 | -5.0 C (23.0 F) |
| 1987 | -2.8 C (27.0 F) |
| 1988 | -6.1 C (21.0 F) |
| 1989 | -13.9 C (7.0 F) |
| 1990 | -7.2 C (19.0 F) |
| 1991 | -5.0 C (23.0 F) |
| 1992 | -3.3 C (26.1 F) |
| 1993 | -7.2 C (19.0 F) |
| 1994 | -6.1 C (21.0 F) |
| 1995 | -6.1 C (21.0 F) |
| 1996 | -7.8 C (18.0 F) |
| 1997 | -5.6 C (21.9 F) |
| 1998 | -3.3 C (26.1 F) |
| 1999 | -5.6 C (21.9 F) |
| 2000 | -5.0 C (23.0 F) |
| 2001 | -6.7 C (19.9 F) |
| 2002 | -5.6 C (21.9 F) |
| 2003 | -7.8 C (18.0 F) |
| 2004 | -5.0 C (23.0 F) |
| 2005 | -3.9 C (25.0 F) |
| 2006 | -6.7 C (19.9 F) |
| 2007 | -2.2 C (28.0 F) |
| 2008 | -3.9 C (25.0 F) |
| 2009 | -5.0 C (23.0 F) |
| 2010 | -8.9 C (16.0 F) |
| 2011 | -6.1 C (21.0 F) |
| 2012 | -2.8 C (27.0 F) |
| 2013 | -3.3 C (26.1 F) |
| 2014 | -7.8 C (18.0 F) |
| 2015 | -7.8 C (18.0 F) |
| 2016 | -3.3 C (26.1 F) |
| 2017 | -6.7 C (19.9 F) |
| 2018 | -11.1 C (12.0 F) |
| 2019 | -6.1 C (21.0 F) |
| 2020 | -2.2 C (28.0 F) |
| 2021 | -11.1 C (12.0 F) |
| 2022 | -8.3 C (17.1 F) |
| 2023 | -3.3 C (26.1 F) |
| 2024 | -8.9 C (16.0 F) |
| 2025 | -7.8 C (18.0 F) |
| 2026 | -7.8 C (18.0 F) |
Wettest day (Rx1day)
| Year | Wettest day (Rx1day) |
|---|---|
| 1972 | 87.9 mm (3.5 in) |
| 1973 | 118.1 mm (4.6 in) |
| 1974 | 140.0 mm (5.5 in) |
| 1975 | 147.3 mm (5.8 in) |
| 1976 | 67.6 mm (2.7 in) |
| 1977 | 143.0 mm (5.6 in) |
| 1978 | 78.2 mm (3.1 in) |
| 1979 | 180.3 mm (7.1 in) |
| 1980 | 123.2 mm (4.9 in) |
| 1981 | 55.4 mm (2.2 in) |
| 1982 | 108.7 mm (4.3 in) |
| 1983 | 93.5 mm (3.7 in) |
| 1984 | 182.1 mm (7.2 in) |
| 1985 | 104.4 mm (4.1 in) |
| 1986 | 69.3 mm (2.7 in) |
| 1987 | 104.1 mm (4.1 in) |
| 1988 | 129.5 mm (5.1 in) |
| 1989 | 87.6 mm (3.4 in) |
| 1990 | 90.2 mm (3.6 in) |
| 1991 | 103.4 mm (4.1 in) |
| 1992 | 102.1 mm (4.0 in) |
| 1993 | 98.3 mm (3.9 in) |
| 1994 | 109.2 mm (4.3 in) |
| 1995 | 127.0 mm (5.0 in) |
| 1996 | 85.3 mm (3.4 in) |
| 1997 | 109.2 mm (4.3 in) |
| 1998 | 83.8 mm (3.3 in) |
| 1999 | 151.1 mm (5.9 in) |
| 2000 | 79.2 mm (3.1 in) |
| 2001 | 118.6 mm (4.7 in) |
| 2002 | 82.6 mm (3.3 in) |
| 2003 | 70.6 mm (2.8 in) |
| 2004 | 79.5 mm (3.1 in) |
| 2005 | 142.2 mm (5.6 in) |
| 2006 | 139.7 mm (5.5 in) |
| 2007 | 61.0 mm (2.4 in) |
| 2008 | 330.2 mm (13.0 in) |
| 2009 | 82.6 mm (3.3 in) |
| 2010 | 99.1 mm (3.9 in) |
| 2011 | 200.7 mm (7.9 in) |
| 2012 | 93.5 mm (3.7 in) |
| 2013 | 117.6 mm (4.6 in) |
| 2014 | 81.3 mm (3.2 in) |
| 2015 | 133.4 mm (5.3 in) |
| 2016 | 77.5 mm (3.1 in) |
| 2017 | 102.4 mm (4.0 in) |
| 2018 | 103.4 mm (4.1 in) |
| 2019 | 80.0 mm (3.1 in) |
| 2020 | 170.2 mm (6.7 in) |
| 2021 | 88.9 mm (3.5 in) |
| 2022 | 88.9 mm (3.5 in) |
| 2023 | 59.9 mm (2.4 in) |
| 2024 | 231.1 mm (9.1 in) |
| 2025 | 136.1 mm (5.4 in) |
| 2026 | 82.5 mm (3.2 in) |
Wettest five days (Rx5day)
| Year | Wettest five days (Rx5day) |
|---|---|
| 1972 | 134.1 mm (5.3 in) |
| 1973 | 141.0 mm (5.6 in) |
| 1974 | 204.7 mm (8.1 in) |
| 1975 | 309.1 mm (12.2 in) |
| 1976 | 111.5 mm (4.4 in) |
| 1977 | 157.3 mm (6.2 in) |
| 1978 | 104.4 mm (4.1 in) |
| 1979 | 204.4 mm (8.0 in) |
| 1980 | 162.3 mm (6.4 in) |
| 1981 | 79.0 mm (3.1 in) |
| 1982 | 150.9 mm (5.9 in) |
| 1983 | 189.2 mm (7.4 in) |
| 1984 | 188.7 mm (7.4 in) |
| 1985 | 188.9 mm (7.4 in) |
| 1986 | 150.9 mm (5.9 in) |
| 1987 | 156.2 mm (6.1 in) |
| 1988 | 195.8 mm (7.7 in) |
| 1989 | 235.4 mm (9.3 in) |
| 1990 | 118.1 mm (4.6 in) |
| 1991 | 149.4 mm (5.9 in) |
| 1992 | 134.6 mm (5.3 in) |
| 1993 | 170.0 mm (6.7 in) |
| 1994 | 180.8 mm (7.1 in) |
| 1995 | 160.3 mm (6.3 in) |
| 1996 | 124.2 mm (4.9 in) |
| 1997 | 146.6 mm (5.8 in) |
| 1998 | 146.0 mm (5.7 in) |
| 1999 | 201.1 mm (7.9 in) |
| 2000 | 175.8 mm (6.9 in) |
| 2001 | 210.0 mm (8.3 in) |
| 2002 | 167.4 mm (6.6 in) |
| 2003 | 135.7 mm (5.3 in) |
| 2004 | 157.3 mm (6.2 in) |
| 2005 | 185.3 mm (7.3 in) |
| 2006 | 197.4 mm (7.8 in) |
| 2007 | 73.7 mm (2.9 in) |
| 2008 | 483.4 mm (19.0 in) |
| 2009 | 125.3 mm (4.9 in) |
| 2010 | 125.7 mm (4.9 in) |
| 2011 | 266.0 mm (10.5 in) |
| 2012 | 177.5 mm (7.0 in) |
| 2013 | 228.5 mm (9.0 in) |
| 2014 | 139.0 mm (5.5 in) |
| 2015 | 190.6 mm (7.5 in) |
| 2016 | 159.5 mm (6.3 in) |
| 2017 | 137.2 mm (5.4 in) |
| 2018 | 130.3 mm (5.1 in) |
| 2019 | 142.8 mm (5.6 in) |
| 2020 | 216.9 mm (8.5 in) |
| 2021 | 107.3 mm (4.2 in) |
| 2022 | 181.8 mm (7.2 in) |
| 2023 | 95.5 mm (3.8 in) |
| 2024 | 267.4 mm (10.5 in) |
| 2025 | 148.8 mm (5.9 in) |
| 2026 | 185.3 mm (7.3 in) |
Longest dry spell (CDD)
| Year | Longest dry spell (CDD) |
|---|---|
| 1972 | 27 days |
| 1973 | 15 days |
| 1974 | 19 days |
| 1975 | 28 days |
| 1976 | 26 days |
| 1977 | 16 days |
| 1978 | 31 days |
| 1979 | 31 days |
| 1980 | 21 days |
| 1981 | 18 days |
| 1982 | 29 days |
| 1983 | 27 days |
| 1984 | 17 days |
| 1985 | 14 days |
| 1986 | 23 days |
| 1987 | 37 days |
| 1988 | 21 days |
| 1989 | 36 days |
| 1990 | 26 days |
| 1991 | 28 days |
| 1992 | 17 days |
| 1993 | 12 days |
| 1994 | 17 days |
| 1995 | 17 days |
| 1996 | 17 days |
| 1997 | 18 days |
| 1998 | 36 days |
| 1999 | 28 days |
| 2000 | 28 days |
| 2001 | 25 days |
| 2002 | 20 days |
| 2003 | 20 days |
| 2004 | 25 days |
| 2005 | 35 days |
| 2006 | 18 days |
| 2007 | 19 days |
| 2008 | 31 days |
| 2009 | 23 days |
| 2010 | 21 days |
| 2011 | 23 days |
| 2012 | 39 days |
| 2013 | 29 days |
| 2014 | 22 days |
| 2015 | 32 days |
| 2016 | 31 days |
| 2017 | 26 days |
| 2018 | 16 days |
| 2019 | 22 days |
| 2020 | 16 days |
| 2021 | 13 days |
| 2022 | 19 days |
| 2023 | 33 days |
| 2024 | 35 days |
| 2025 | 19 days |
| 2026 | 20 days |
Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.
Frost Dates and Growing Season
44 years with a frostAcross 44 years with a frost, the median last spring frost at Jonesville Locks falls on 26 February and the median first autumn frost on 18 November, which leaves a median of 267 days between them.
Fitted over all years, the growing season changes by +0.2 days per decade at this station.
| Measure | Median, all years | Earliest period | Recent period (1987 to 2025) | Recent against earliest | Fitted trend |
|---|---|---|---|---|---|
| Last spring frost | 26 February | n/a | 26 February | n/a | -1.4 days per decade |
| First autumn frost | 18 November | n/a | 17 November | n/a | -1.3 days per decade |
| Growing days | 267 days | n/a | 267 days | n/a | +0.2 days per decade |
A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.
Rainfall Return Levels
48 years, 1973 to 2023A day with at least 101.1 mm (4.0 in) of rain is expected about once in 2 years. A day with at least 285.3 mm (11.2 in) of rain is expected about once in 100 years.
| Expected about once in | A day with at least | Note |
|---|---|---|
| 2 years | 101.1 mm (4.0 in) | |
| 5 years | 137.6 mm (5.4 in) | |
| 10 years | 166.1 mm (6.5 in) | |
| 25 years | 208.3 mm (8.2 in) | |
| 50 years | 244.5 mm (9.6 in) | Longer than the 48 years of record |
| 100 years | 285.3 mm (11.2 in) | Longer than the 48 years of record |
The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 48 years of values from 1973 to 2023.
A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.
The largest wettest-day totals in the fit: 330.2 mm (13.0 in) in 2008; 200.7 mm (7.9 in) in 2011; 182.1 mm (7.2 in) in 1984.
Station Changes
No change in the annual mean temperature of this station was found against its neighbours.
Climate Twins
2008 to 2025 against 1961 to 1990Over 2008 to 2025, Jonesville Locks had a mean temperature of 19.3 C (66.7 F) and 1,511.9 mm (59.5 in) of rain a year. The 3 stations whose 1961 to 1990 climate was closest to that are Bay Saint Louis (United States, 275 km away), De Quincy (United States, 192 km away) and Elizabeth (United States, 112 km away).
| Twin station | Country | Distance away | Mean temperature, 1961-1990 | Rain a year, 1961-1990 | Climate difference |
|---|---|---|---|---|---|
| Bay Saint Louis | United States | 275 km (171 mi) | 19.3 C (66.8 F) | 1,456.3 mm (57.3 in) | 0.53 |
| De Quincy | United States | 192 km (119 mi) | 19.1 C (66.4 F) | 1,473.8 mm (58.0 in) | 0.59 |
| Elizabeth | United States | 112 km (70 mi) | 18.9 C (66.0 F) | 1,558.5 mm (61.4 in) | 0.61 |
Twins are stations, not cities. A twin is one of the three stations at least 100 km away whose earlier climate is closest to this station's recent one, so a close match does not mean the two places look alike in other ways. A station move or a gap in a record can change that station's averages. The list describes past climate; it is not a forecast and does not say what caused any change. How twins are found, and a search for any station.
Download the Data
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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.
Data as of . Last revised (2026-10-13).