Jt Myers Locks & Dam Weather Records (USC00128967)

Record envelope, standing records and threshold days for Jt Myers Locks & Dam (USC00128967), Indiana, United States, with 35 years of record.

Key Facts for Jt Myers Locks & Dam

Jt Myers Locks & Dam (USC00128967) is a weather station in Indiana, United States at 37.80 latitude and -87.99 longitude, 104 m (340 ft) above sea level.
The station reports from 1992 to 2026, 35 years of record.
1,464 records set at Jt Myers Locks & Dam still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Jt Myers Locks & Dam set a daily record precipitation of 30.5 mm (1.2 in) on 21 August 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

Location: Indiana, United States, 37.80 latitude, -87.99 longitude.
Elevation: 104 m (340 ft).
Period of record: 1992 to 2026, 35 years.
Eligible elements: prcp.

Daily Record Envelope and 2026

26 days at or beyond a record

The band shows the record high and record low for each calendar day at Jt Myers Locks & Dam. The lines show the 2026 daily maximum and minimum. 26 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Jt Myers Locks & Dam, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	21.1 C (70.0 F)	-18.9 C (-2.0 F)	18.9 C (66.0 F)	-17.2 C (1.0 F)
Feb	25.0 C (77.0 F)	-21.7 C (-7.1 F)	21.1 C (70.0 F)	-11.1 C (12.0 F)
Mar	30.0 C (86.0 F)	-15.0 C (5.0 F)	30.0 C (86.0 F)	-3.9 C (25.0 F)
Apr	32.8 C (91.0 F)	-4.4 C (24.1 F)	31.1 C (88.0 F)	3.3 C (37.9 F)
May	35.0 C (95.0 F)	0.0 C (32.0 F)	30.0 C (86.0 F)	4.4 C (39.9 F)
Jun	41.7 C (107.1 F)	8.3 C (46.9 F)	33.9 C (93.0 F)	12.8 C (55.0 F)
Jul	41.7 C (107.1 F)	10.0 C (50.0 F)	35.0 C (95.0 F)	15.6 C (60.1 F)
Aug	39.4 C (102.9 F)	8.9 C (48.0 F)	35.0 C (95.0 F)	13.3 C (55.9 F)
Sep	38.3 C (100.9 F)	5.0 C (41.0 F)	38.3 C (100.9 F)	8.9 C (48.0 F)
Oct	35.0 C (95.0 F)	-2.2 C (28.0 F)	33.3 C (91.9 F)	7.2 C (45.0 F)
Nov	28.3 C (82.9 F)	-12.8 C (9.0 F)	n/a	n/a
Dec	22.2 C (72.0 F)	-21.1 C (-6.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Jt Myers Locks & Dam still stand. 2012 holds the most, with 114.

Standing records at Jt Myers Locks & Dam by the year they were set
Year set	Standing records
2002	11
2003	64
2004	54
2005	59
2006	34
2007	12
2008	52
2009	80
2010	67
2011	75
2012	114
2013	68
2014	84
2015	77
2016	71
2017	93
2018	89
2019	63
2020	64
2021	50
2022	46
2023	44
2024	51
2025	20
2026	22

Wettest Day of Each Month

Mar: 168.9 mm (6.6 in)

The wettest day on record for each calendar month at Jt Myers Locks & Dam. The most was 168.9 mm (6.6 in) on 19 March 2008.

Record daily precipitation for each month at Jt Myers Locks & Dam
Month	Record daily precipitation (mm)	Date
Jan	97.8 mm (3.9 in)	13 January 2013
Feb	104.6 mm (4.1 in)	6 February 2008
Mar	168.9 mm (6.6 in)	19 March 2008
Apr	139.7 mm (5.5 in)	4 April 2014
May	90.9 mm (3.6 in)	31 May 1997
Jun	114.3 mm (4.5 in)	17 June 2000
Jul	136.9 mm (5.4 in)	20 July 1996
Aug	111.8 mm (4.4 in)	3 August 2012
Sep	99.6 mm (3.9 in)	23 September 2006
Oct	91.4 mm (3.6 in)	6 October 2013
Nov	81.0 mm (3.2 in)	5 November 1994
Dec	126.5 mm (5.0 in)	22 December 2013

Period of Record Coverage

2002 to 2026

25 years of record at Jt Myers Locks & Dam, 2002 to 2026. 9 years have data for under 90 percent of days and are left out of rankings: 2002, 2006, 2007, 2019, 2021, 2023, 2024, 2025 and others.

Days with data per year at Jt Myers Locks & Dam
Year	Days with data	Share of year	Complete
2002	51	14%	No
2003	336	92%	Yes
2004	353	96%	Yes
2005	346	95%	Yes
2006	211	58%	No
2007	91	25%	No
2008	365	100%	Yes
2009	365	100%	Yes
2010	364	100%	Yes
2011	337	92%	Yes
2012	366	100%	Yes
2013	365	100%	Yes
2014	365	100%	Yes
2015	365	100%	Yes
2016	364	99%	Yes
2017	365	100%	Yes
2018	334	92%	Yes
2019	322	88%	No
2020	358	98%	Yes
2021	318	87%	No
2022	336	92%	Yes
2023	284	78%	No
2024	265	72%	No
2025	251	69%	No
2026	179	49%	No

Latest Records

Latest records at Jt Myers Locks & Dam
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 August 2026	Jt Myers Locks & Dam, US	daily rain (Provisional)	30.5 mm (1.2 in)	10.2 mm (0.4 in)	20 years	15 of 100 (Routine)
12 July 2026	Jt Myers Locks & Dam, US	daily rain	33.0 mm (1.3 in)	9.1 mm (0.36 in)	25 years	15 of 100 (Routine)
20 May 2026	Jt Myers Locks & Dam, US	daily rain	20.3 mm (0.8 in)	10.1 mm (0.4 in)	7 years	12 of 100 (Routine)
5 March 2026	Jt Myers Locks & Dam, US	daily rain	53.3 mm (2.1 in)	30.4 mm (1.2 in)	15 years	26 of 100 (Routine)
6 June 2025	Jt Myers Locks & Dam, US	daily rain	35.6 mm (1.4 in)	14.5 mm (0.6 in)	23 years	18 of 100 (Routine)
30 May 2025	Jt Myers Locks & Dam, US	daily rain	32.0 mm (1.3 in)	12.9 mm (0.5 in)	6 years	13 of 100 (Routine)
6 April 2025	Jt Myers Locks & Dam, US	daily rain	58.4 mm (2.3 in)	33.0 mm (1.3 in)	16 years	27 of 100 (Routine)
5 April 2025	Jt Myers Locks & Dam, US	daily rain	54.6 mm (2.1 in)	17.8 mm (0.7 in)	14 years	17 of 100 (Routine)
30 December 2024	Jt Myers Locks & Dam, US	daily rain	14.0 mm (0.6 in)	0.8 mm (0.03 in)	21 years	9 of 100 (Routine)
29 December 2024	Jt Myers Locks & Dam, US	daily rain	33.0 mm (1.3 in)	8.9 mm (0.35 in)	9 years	11 of 100 (Routine)
14 November 2024	Jt Myers Locks & Dam, US	daily rain	33.0 mm (1.3 in)	13.7 mm (0.5 in)	31 years	21 of 100 (Routine)
6 November 2024	Jt Myers Locks & Dam, US	daily rain	38.1 mm (1.5 in)	10.2 mm (0.4 in)	9 years	12 of 100 (Routine)
10 May 2024	Jt Myers Locks & Dam, US	daily rain	19.1 mm (0.8 in)	1.3 mm (0.05 in)	8 years	5 of 100 (Routine)
14 August 2023	Jt Myers Locks & Dam, US	daily rain	15.2 mm (0.6 in)	2.0 mm (0.08 in)	16 years	8 of 100 (Routine)
25 March 2023	Jt Myers Locks & Dam, US	daily rain	53.3 mm (2.1 in)	24.1 mm (0.9 in)	6 years	20 of 100 (Routine)
24 March 2023	Jt Myers Locks & Dam, US	daily rain	27.9 mm (1.1 in)	17.7 mm (0.7 in)	4 years	15 of 100 (Routine)
3 March 2023	Jt Myers Locks & Dam, US	daily rain	55.9 mm (2.2 in)	37.9 mm (1.5 in)	20 years	32 of 100 (Routine)
9 February 2023	Jt Myers Locks & Dam, US	daily rain	50.8 mm (2.0 in)	33.0 mm (1.3 in)	21 years	33 of 100 (Routine)
25 January 2023	Jt Myers Locks & Dam, US	daily rain	21.6 mm (0.9 in)	14.0 mm (0.6 in)	25 years	20 of 100 (Routine)
19 January 2023	Jt Myers Locks & Dam, US	daily rain	35.6 mm (1.4 in)	13.8 mm (0.5 in)	27 years	21 of 100 (Routine)

Climate Trend

14 complete years, 2004 to 2022

One stripe for each of 14 complete years at Jt Myers Locks & Dam, 2004 to 2022. Blue stripes are years cooler than the station's own mean of 14.3 C (57.8 F); red stripes are warmer. The coolest year was 2014, at 13.5 C (56.3 F), and the warmest was 2012, at 16.3 C (61.3 F). The strongest colour marks a difference of 2.0 C (3.6 F).

Annual mean temperature at Jt Myers Locks & Dam as warming stripes, 2004 to 2022
Year	Annual mean temperature	Difference from the station mean
2004	14.3 C	-0.08 C
2008	14.0 C	-0.31 C
2009	14.2 C	-0.17 C
2010	14.7 C	+0.39 C
2012	16.3 C	+1.96 C
2013	13.7 C	-0.66 C
2014	13.5 C	-0.85 C
2015	14.9 C	+0.57 C
2016	15.4 C	+1.07 C
2017	14.5 C	+0.16 C
2019	13.8 C	-0.50 C
2020	13.5 C	-0.83 C
2021	14.1 C	-0.24 C
2022	13.8 C	-0.55 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

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

1992 to 2026

Yearly extremes at Jt Myers Locks & Dam: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	41.7 C (107.1 F)	2012	36.7 C (98.1 F)	25
Coldest night (TNn)	-21.7 C (-7.1 F)	2015	-15.0 C (5.0 F)	25
Wettest day (Rx1day)	168.9 mm (6.6 in)	2008	78.7 mm (3.1 in)	35
Wettest five days (Rx5day)	209.5 mm (8.2 in)	2008	120.9 mm (4.8 in)	35
Longest dry spell (CDD)	39 days	1998	19 days	35

Hottest day (TXx)

The hottest day of the year at Jt Myers Locks & Dam, 1992 to 2026. The record is 41.7 C (107.1 F) in 2012, marked on the chart; the median year is 36.7 C (98.1 F).

Hottest day (TXx) at Jt Myers Locks & Dam by year
Year	Hottest day (TXx)
1992	n/a
1993	n/a
1994	n/a
1995	n/a
1996	n/a
1997	n/a
1998	n/a
1999	n/a
2000	n/a
2001	n/a
2002	22.2 C (72.0 F)
2003	36.7 C (98.1 F)
2004	35.0 C (95.0 F)
2005	37.2 C (99.0 F)
2006	36.7 C (98.1 F)
2007	33.9 C (93.0 F)
2008	35.6 C (96.1 F)
2009	37.2 C (99.0 F)
2010	39.4 C (102.9 F)
2011	38.3 C (100.9 F)
2012	41.7 C (107.1 F)
2013	35.6 C (96.1 F)
2014	35.0 C (95.0 F)
2015	35.6 C (96.1 F)
2016	37.2 C (99.0 F)
2017	36.7 C (98.1 F)
2018	37.8 C (100.0 F)
2019	35.6 C (96.1 F)
2020	35.0 C (95.0 F)
2021	36.7 C (98.1 F)
2022	37.2 C (99.0 F)
2023	37.8 C (100.0 F)
2024	37.8 C (100.0 F)
2025	35.0 C (95.0 F)
2026	38.3 C (100.9 F)

Coldest night (TNn)

The coldest night of the year at Jt Myers Locks & Dam, 1992 to 2026. The record is -21.7 C (-7.1 F) in 2015, marked on the chart; the median year is -15.0 C (5.0 F).

Coldest night (TNn) at Jt Myers Locks & Dam by year
Year	Coldest night (TNn)
1992	n/a
1993	n/a
1994	n/a
1995	n/a
1996	n/a
1997	n/a
1998	n/a
1999	n/a
2000	n/a
2001	n/a
2002	-7.8 C (18.0 F)
2003	-17.8 C (0.0 F)
2004	-17.2 C (1.0 F)
2005	-15.0 C (5.0 F)
2006	-13.3 C (8.1 F)
2007	-6.1 C (21.0 F)
2008	-13.3 C (8.1 F)
2009	-15.6 C (3.9 F)
2010	-15.0 C (5.0 F)
2011	-13.3 C (8.1 F)
2012	-8.3 C (17.1 F)
2013	-11.7 C (10.9 F)
2014	-18.9 C (-2.0 F)
2015	-21.7 C (-7.1 F)
2016	-13.9 C (7.0 F)
2017	-16.1 C (3.0 F)
2018	-17.8 C (0.0 F)
2019	-16.7 C (1.9 F)
2020	-11.1 C (12.0 F)
2021	-17.8 C (0.0 F)
2022	-21.1 C (-6.0 F)
2023	-9.4 C (15.1 F)
2024	-16.1 C (3.0 F)
2025	-14.4 C (6.1 F)
2026	-17.2 C (1.0 F)

Wettest day (Rx1day)

The wettest day of the year at Jt Myers Locks & Dam, 1992 to 2026. The record is 168.9 mm (6.6 in) in 2008, marked on the chart; the median year is 78.7 mm (3.1 in).

Wettest day (Rx1day) at Jt Myers Locks & Dam by year
Year	Wettest day (Rx1day)
1992	51.8 mm (2.0 in)
1993	79.0 mm (3.1 in)
1994	81.0 mm (3.2 in)
1995	98.3 mm (3.9 in)
1996	136.9 mm (5.4 in)
1997	90.9 mm (3.6 in)
1998	89.7 mm (3.5 in)
1999	63.5 mm (2.5 in)
2000	114.3 mm (4.5 in)
2001	89.4 mm (3.5 in)
2002	47.8 mm (1.9 in)
2003	69.9 mm (2.8 in)
2004	42.7 mm (1.7 in)
2005	76.2 mm (3.0 in)
2006	99.6 mm (3.9 in)
2007	62.7 mm (2.5 in)
2008	168.9 mm (6.6 in)
2009	78.7 mm (3.1 in)
2010	53.3 mm (2.1 in)
2011	83.1 mm (3.3 in)
2012	111.8 mm (4.4 in)
2013	126.5 mm (5.0 in)
2014	139.7 mm (5.5 in)
2015	61.0 mm (2.4 in)
2016	53.3 mm (2.1 in)
2017	80.0 mm (3.1 in)
2018	101.6 mm (4.0 in)
2019	50.8 mm (2.0 in)
2020	63.5 mm (2.5 in)
2021	82.6 mm (3.3 in)
2022	66.0 mm (2.6 in)
2023	55.9 mm (2.2 in)
2024	45.7 mm (1.8 in)
2025	58.4 mm (2.3 in)
2026	53.3 mm (2.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at Jt Myers Locks & Dam, 1992 to 2026. The record is 209.5 mm (8.2 in) in 2008, marked on the chart; the median year is 120.9 mm (4.8 in).

Wettest five days (Rx5day) at Jt Myers Locks & Dam by year
Year	Wettest five days (Rx5day)
1992	86.1 mm (3.4 in)
1993	125.2 mm (4.9 in)
1994	93.2 mm (3.7 in)
1995	189.5 mm (7.5 in)
1996	182.1 mm (7.2 in)
1997	149.1 mm (5.9 in)
1998	108.5 mm (4.3 in)
1999	117.0 mm (4.6 in)
2000	156.0 mm (6.1 in)
2001	148.7 mm (5.9 in)
2002	86.3 mm (3.4 in)
2003	127.1 mm (5.0 in)
2004	86.9 mm (3.4 in)
2005	124.0 mm (4.9 in)
2006	182.9 mm (7.2 in)
2007	107.4 mm (4.2 in)
2008	209.5 mm (8.2 in)
2009	107.9 mm (4.2 in)
2010	106.1 mm (4.2 in)
2011	191.8 mm (7.6 in)
2012	120.9 mm (4.8 in)
2013	152.9 mm (6.0 in)
2014	165.1 mm (6.5 in)
2015	110.0 mm (4.3 in)
2016	92.7 mm (3.6 in)
2017	153.7 mm (6.1 in)
2018	149.9 mm (5.9 in)
2019	95.3 mm (3.8 in)
2020	171.4 mm (6.7 in)
2021	91.5 mm (3.6 in)
2022	93.9 mm (3.7 in)
2023	94.0 mm (3.7 in)
2024	74.9 mm (2.9 in)
2025	198.1 mm (7.8 in)
2026	87.6 mm (3.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Jt Myers Locks & Dam, 1992 to 2026. The record is 39 days in 1998, marked on the chart; the median year is 19 days.

Longest dry spell (CDD) at Jt Myers Locks & Dam by year
Year	Longest dry spell (CDD)
1992	18 days
1993	18 days
1994	17 days
1995	29 days
1996	26 days
1997	19 days
1998	39 days
1999	38 days
2000	20 days
2001	29 days
2002	20 days
2003	15 days
2004	38 days
2005	21 days
2006	14 days
2007	21 days
2008	15 days
2009	16 days
2010	17 days
2011	28 days
2012	31 days
2013	19 days
2014	26 days
2015	24 days
2016	18 days
2017	21 days
2018	17 days
2019	23 days
2020	15 days
2021	12 days
2022	14 days
2023	19 days
2024	12 days
2025	12 days
2026	9 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.

Download the Data

Data for Jt Myers Locks & Dam standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Jt Myers Locks & Dam 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). Records are computed by this site and are not official.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).