Napoleonville Weather Records (USC00166561)

Record envelope, standing records and threshold days for Napoleonville (USC00166561), Louisiana, United States, with 132 years of record.

Key Facts for Napoleonville

Napoleonville (USC00166561) is a weather station in Louisiana, United States at 29.93 latitude and -91.02 longitude, 8 m (25 ft) above sea level.
The station reports from 1895 to 2026, 132 years of record.
1,464 records set at Napoleonville still stand.
Records are tracked for prcp, snow: an element needs 30 years of data to be eligible.
Napoleonville set a daily record precipitation of 76.2 mm (3.0 in) on 3 August 2026.

About the Station

Location: Louisiana, United States, 29.93 latitude, -91.02 longitude.
Elevation: 8 m (25 ft).
Period of record: 1895 to 2026, 132 years.
Eligible elements: prcp, snow.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Napoleonville. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Napoleonville, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	27.8 C (82.0 F)	-11.1 C (12.0 F)	n/a	n/a
Feb	29.4 C (84.9 F)	-15.0 C (5.0 F)	n/a	n/a
Mar	31.1 C (88.0 F)	-1.1 C (30.0 F)	n/a	n/a
Apr	35.6 C (96.1 F)	1.7 C (35.1 F)	n/a	n/a
May	35.6 C (96.1 F)	8.3 C (46.9 F)	n/a	n/a
Jun	38.9 C (102.0 F)	14.4 C (57.9 F)	n/a	n/a
Jul	37.8 C (100.0 F)	15.6 C (60.1 F)	n/a	n/a
Aug	39.4 C (102.9 F)	15.6 C (60.1 F)	n/a	n/a
Sep	36.1 C (97.0 F)	5.0 C (41.0 F)	n/a	n/a
Oct	33.3 C (91.9 F)	-1.7 C (28.9 F)	n/a	n/a
Nov	31.1 C (88.0 F)	-3.3 C (26.1 F)	n/a	n/a
Dec	28.9 C (84.0 F)	-10.0 C (14.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Napoleonville still stand. 1915 holds the most, with 172.

Wettest Day of Each Month

Jun: 214.6 mm (8.4 in)

The wettest day on record for each calendar month at Napoleonville. The most was 214.6 mm (8.4 in) on 14 June 1987.

Record daily precipitation for each month at Napoleonville
Month	Record daily precipitation (mm)	Date
Jan	128.5 mm (5.1 in)	9 January 2013
Feb	161.3 mm (6.4 in)	27 February 1987
Mar	172.7 mm (6.8 in)	11 March 2016
Apr	121.9 mm (4.8 in)	11 April 1997
May	176.0 mm (6.9 in)	29 May 2014
Jun	214.6 mm (8.4 in)	14 June 1987
Jul	101.6 mm (4.0 in)	16 July 2024
Aug	149.9 mm (5.9 in)	13 August 2016
Sep	213.6 mm (8.4 in)	12 September 1998
Oct	186.9 mm (7.4 in)	26 October 2015
Nov	171.5 mm (6.8 in)	28 November 2003
Dec	201.7 mm (7.9 in)	8 December 2009

Period of Record Coverage

1895 to 1919

13 years of record at Napoleonville, 1895 to 1919. 7 years have data for under 90 percent of days and are left out of rankings: 1895, 1897, 1898, 1899, 1912, 1918, 1919.

Days with data per year at Napoleonville
Year	Days with data	Share of year	Complete
1895	164	45%	No
1896	365	100%	Yes
1897	240	66%	No
1898	171	47%	No
1899	180	49%	No
1912	59	16%	No
1913	361	99%	Yes
1914	365	100%	Yes
1915	365	100%	Yes
1916	365	100%	Yes
1917	359	98%	Yes
1918	299	82%	No
1919	240	66%	No

Latest Records

Latest records at Napoleonville
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
3 August 2026	Napoleonville, US	daily rain	76.2 mm (3.0 in)	31.7 mm (1.2 in)	8 years	30 of 100 (Routine)
18 June 2026	Napoleonville, US	daily rain	73.7 mm (2.9 in)	10.2 mm (0.4 in)	28 years	22 of 100 (Routine)
17 June 2026	Napoleonville, US	daily rain	154.9 mm (6.1 in)	120.6 mm (4.7 in)	4 years	51 of 100 (Notable)
26 January 2026	Napoleonville, US	daily rain	56.9 mm (2.2 in)	6.1 mm (0.24 in)	14 years	16 of 100 (Routine)
6 October 2025	Napoleonville, US	daily rain	39.9 mm (1.6 in)	4.3 mm (0.17 in)	20 years	17 of 100 (Routine)
17 July 2025	Napoleonville, US	daily rain	85.1 mm (3.4 in)	5.1 mm (0.20 in)	40 years	24 of 100 (Routine)
1 April 2025	Napoleonville, US	daily rain	41.9 mm (1.6 in)	7.4 mm (0.29 in)	107 years	43 of 100 (Notable)
24 February 2025	Napoleonville, US	daily rain	63.5 mm (2.5 in)	7.4 mm (0.29 in)	20 years	19 of 100 (Routine)
19 February 2025	Napoleonville, US	daily rain	81.3 mm (3.2 in)	13.0 mm (0.5 in)	13 years	19 of 100 (Routine)
29 December 2024	Napoleonville, US	daily rain	58.4 mm (2.3 in)	13.9 mm (0.5 in)	128 years	46 of 100 (Notable)
10 December 2024	Napoleonville, US	daily rain	63.5 mm (2.5 in)	27.9 mm (1.1 in)	106 years	52 of 100 (Notable)
16 July 2024	Napoleonville, US	monthly rain	101.6 mm (4.0 in)	5.1 mm (0.20 in)	35 years	32 of 100 (Routine)
12 July 2024	Napoleonville, US	daily rain	63.5 mm (2.5 in)	31.7 mm (1.2 in)	6 years	29 of 100 (Routine)
1 June 2024	Napoleonville, US	daily rain	51.1 mm (2.0 in)	7.2 mm (0.28 in)	9 years	15 of 100 (Routine)
17 May 2024	Napoleonville, US	daily rain	40.6 mm (1.6 in)	5.0 mm (0.20 in)	17 years	16 of 100 (Routine)
14 May 2024	Napoleonville, US	daily rain	59.4 mm (2.3 in)	6.1 mm (0.24 in)	34 years	22 of 100 (Routine)
30 April 2024	Napoleonville, US	daily rain	37.3 mm (1.5 in)	20.3 mm (0.8 in)	20 years	25 of 100 (Routine)
10 April 2024	Napoleonville, US	daily rain	114.3 mm (4.5 in)	94.7 mm (3.7 in)	3 years	50 of 100 (Notable)
25 January 2024	Napoleonville, US	daily rain	107.4 mm (4.2 in)	71.8 mm (2.8 in)	0 years	45 of 100 (Notable)
17 December 2023	Napoleonville, US	daily rain	38.1 mm (1.5 in)	3.6 mm (0.14 in)	30 years	20 of 100 (Routine)

Extremes by Year

1895 to 2026

Yearly extremes at Napoleonville: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	39.4 C (102.9 F)	1918	36.1 C (97.0 F)	13
Coldest night (TNn)	-15.0 C (5.0 F)	1899	-3.9 C (25.0 F)	13
Wettest day (Rx1day)	214.6 mm (8.4 in)	1987	104.1 mm (4.1 in)	57
Wettest five days (Rx5day)	433.9 mm (17.1 in)	2001	163.7 mm (6.4 in)	57
Longest dry spell (CDD)	50 days	2000	26 days	57

Hottest day (TXx)

The hottest day of the year at Napoleonville, 1895 to 2026. The record is 39.4 C (102.9 F) in 1918, marked on the chart; the median year is 36.1 C (97.0 F).

Hottest day (TXx) at Napoleonville by year
Year	Hottest day (TXx)
1895	36.1 C (97.0 F)
1896	36.7 C (98.1 F)
1897	36.1 C (97.0 F)
1898	35.6 C (96.1 F)
1899	36.1 C (97.0 F)
1912	28.9 C (84.0 F)
1913	37.2 C (99.0 F)
1914	37.8 C (100.0 F)
1915	38.3 C (100.9 F)
1916	35.0 C (95.0 F)
1917	35.6 C (96.1 F)
1918	39.4 C (102.9 F)
1919	35.6 C (96.1 F)
1983	n/a
1984	n/a
1985	n/a
1986	n/a
1987	n/a
1988	n/a
1989	n/a
1990	n/a
1991	n/a
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	n/a
2003	n/a
2004	n/a
2005	n/a
2006	n/a
2007	n/a
2008	n/a
2009	n/a
2010	n/a
2011	n/a
2012	n/a
2013	n/a
2014	n/a
2015	n/a
2016	n/a
2017	n/a
2018	n/a
2019	n/a
2020	n/a
2021	n/a
2022	n/a
2023	n/a
2024	n/a
2025	n/a
2026	n/a

Coldest night (TNn)

The coldest night of the year at Napoleonville, 1895 to 2026. The record is -15.0 C (5.0 F) in 1899, marked on the chart; the median year is -3.9 C (25.0 F).

Coldest night (TNn) at Napoleonville by year
Year	Coldest night (TNn)
1895	-3.9 C (25.0 F)
1896	-6.1 C (21.0 F)
1897	-7.8 C (18.0 F)
1898	0.0 C (32.0 F)
1899	-15.0 C (5.0 F)
1912	-1.1 C (30.0 F)
1913	-1.1 C (30.0 F)
1914	-3.3 C (26.1 F)
1915	-1.7 C (28.9 F)
1916	-3.3 C (26.1 F)
1917	-10.0 C (14.0 F)
1918	-11.1 C (12.0 F)
1919	-6.7 C (19.9 F)
1983	n/a
1984	n/a
1985	n/a
1986	n/a
1987	n/a
1988	n/a
1989	n/a
1990	n/a
1991	n/a
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	n/a
2003	n/a
2004	n/a
2005	n/a
2006	n/a
2007	n/a
2008	n/a
2009	n/a
2010	n/a
2011	n/a
2012	n/a
2013	n/a
2014	n/a
2015	n/a
2016	n/a
2017	n/a
2018	n/a
2019	n/a
2020	n/a
2021	n/a
2022	n/a
2023	n/a
2024	n/a
2025	n/a
2026	n/a

Wettest day (Rx1day)

The wettest day of the year at Napoleonville, 1895 to 2026. The record is 214.6 mm (8.4 in) in 1987, marked on the chart; the median year is 104.1 mm (4.1 in).

Wettest day (Rx1day) at Napoleonville by year
Year	Wettest day (Rx1day)
1895	63.5 mm (2.5 in)
1896	58.4 mm (2.3 in)
1897	63.5 mm (2.5 in)
1898	135.9 mm (5.4 in)
1899	45.7 mm (1.8 in)
1912	71.1 mm (2.8 in)
1913	72.4 mm (2.9 in)
1914	69.9 mm (2.8 in)
1915	123.7 mm (4.9 in)
1916	117.1 mm (4.6 in)
1917	65.3 mm (2.6 in)
1918	99.6 mm (3.9 in)
1919	85.1 mm (3.4 in)
1983	83.8 mm (3.3 in)
1984	80.0 mm (3.1 in)
1985	99.1 mm (3.9 in)
1986	84.6 mm (3.3 in)
1987	214.6 mm (8.4 in)
1988	104.1 mm (4.1 in)
1989	152.4 mm (6.0 in)
1990	82.6 mm (3.3 in)
1991	125.7 mm (4.9 in)
1992	121.9 mm (4.8 in)
1993	149.4 mm (5.9 in)
1994	78.7 mm (3.1 in)
1995	91.7 mm (3.6 in)
1996	62.2 mm (2.4 in)
1997	121.9 mm (4.8 in)
1998	213.6 mm (8.4 in)
1999	110.5 mm (4.4 in)
2000	114.0 mm (4.5 in)
2001	180.3 mm (7.1 in)
2002	102.9 mm (4.1 in)
2003	171.5 mm (6.8 in)
2004	141.0 mm (5.6 in)
2005	73.7 mm (2.9 in)
2006	134.6 mm (5.3 in)
2007	101.6 mm (4.0 in)
2008	81.3 mm (3.2 in)
2009	201.7 mm (7.9 in)
2010	64.8 mm (2.6 in)
2011	152.4 mm (6.0 in)
2012	121.9 mm (4.8 in)
2013	128.5 mm (5.1 in)
2014	176.0 mm (6.9 in)
2015	186.9 mm (7.4 in)
2016	172.7 mm (6.8 in)
2017	169.2 mm (6.7 in)
2018	86.9 mm (3.4 in)
2019	88.4 mm (3.5 in)
2020	65.5 mm (2.6 in)
2021	135.1 mm (5.3 in)
2022	69.3 mm (2.7 in)
2023	131.3 mm (5.2 in)
2024	157.0 mm (6.2 in)
2025	85.1 mm (3.4 in)
2026	154.9 mm (6.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at Napoleonville, 1895 to 2026. The record is 433.9 mm (17.1 in) in 2001, marked on the chart; the median year is 163.7 mm (6.4 in).

Wettest five days (Rx5day) at Napoleonville by year
Year	Wettest five days (Rx5day)
1895	146.3 mm (5.8 in)
1896	109.2 mm (4.3 in)
1897	93.9 mm (3.7 in)
1898	154.9 mm (6.1 in)
1899	53.4 mm (2.1 in)
1912	134.6 mm (5.3 in)
1913	137.2 mm (5.4 in)
1914	123.7 mm (4.9 in)
1915	150.9 mm (5.9 in)
1916	228.9 mm (9.0 in)
1917	141.0 mm (5.6 in)
1918	121.2 mm (4.8 in)
1919	131.1 mm (5.2 in)
1983	163.7 mm (6.4 in)
1984	118.4 mm (4.7 in)
1985	199.7 mm (7.9 in)
1986	121.7 mm (4.8 in)
1987	277.6 mm (10.9 in)
1988	193.7 mm (7.6 in)
1989	230.6 mm (9.1 in)
1990	119.7 mm (4.7 in)
1991	215.7 mm (8.5 in)
1992	166.1 mm (6.5 in)
1993	149.4 mm (5.9 in)
1994	174.5 mm (6.9 in)
1995	149.3 mm (5.9 in)
1996	128.3 mm (5.1 in)
1997	170.2 mm (6.7 in)
1998	305.8 mm (12.0 in)
1999	149.6 mm (5.9 in)
2000	199.1 mm (7.8 in)
2001	433.9 mm (17.1 in)
2002	147.3 mm (5.8 in)
2003	183.2 mm (7.2 in)
2004	269.8 mm (10.6 in)
2005	92.2 mm (3.6 in)
2006	191.2 mm (7.5 in)
2007	118.1 mm (4.6 in)
2008	150.8 mm (5.9 in)
2009	204.7 mm (8.1 in)
2010	132.9 mm (5.2 in)
2011	250.6 mm (9.9 in)
2012	166.3 mm (6.5 in)
2013	262.1 mm (10.3 in)
2014	241.1 mm (9.5 in)
2015	243.8 mm (9.6 in)
2016	302.5 mm (11.9 in)
2017	219.0 mm (8.6 in)
2018	103.9 mm (4.1 in)
2019	167.1 mm (6.6 in)
2020	119.5 mm (4.7 in)
2021	252.8 mm (10.0 in)
2022	80.8 mm (3.2 in)
2023	231.1 mm (9.1 in)
2024	204.6 mm (8.1 in)
2025	152.1 mm (6.0 in)
2026	228.9 mm (9.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at Napoleonville, 1895 to 2026. The record is 50 days in 2000, marked on the chart; the median year is 26 days.

Longest dry spell (CDD) at Napoleonville by year
Year	Longest dry spell (CDD)
1895	41 days
1896	27 days
1897	17 days
1898	34 days
1899	28 days
1912	30 days
1913	36 days
1914	30 days
1915	34 days
1916	34 days
1917	24 days
1918	24 days
1919	13 days
1983	20 days
1984	26 days
1985	25 days
1986	23 days
1987	37 days
1988	26 days
1989	30 days
1990	16 days
1991	29 days
1992	20 days
1993	19 days
1994	18 days
1995	18 days
1996	18 days
1997	15 days
1998	28 days
1999	26 days
2000	50 days
2001	45 days
2002	35 days
2003	25 days
2004	17 days
2005	42 days
2006	29 days
2007	32 days
2008	18 days
2009	28 days
2010	34 days
2011	39 days
2012	20 days
2013	19 days
2014	29 days
2015	24 days
2016	24 days
2017	22 days
2018	27 days
2019	21 days
2020	16 days
2021	21 days
2022	32 days
2023	29 days
2024	24 days
2025	26 days
2026	17 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.

Rainfall Return Levels

45 years, 1913 to 2025

A day with at least 110.7 mm (4.4 in) of rain is expected about once in 2 years. A day with at least 250.3 mm (9.9 in) of rain is expected about once in 100 years.

Rainfall return levels at Napoleonville: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	110.7 mm (4.4 in)
5 years	149.3 mm (5.9 in)
10 years	174.3 mm (6.9 in)
25 years	205.4 mm (8.1 in)
50 years	228.1 mm (9.0 in)	Longer than the 45 years of record
100 years	250.3 mm (9.9 in)	Longer than the 45 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, 45 years of values from 1913 to 2025.

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: 214.6 mm (8.4 in) in 1987; 213.6 mm (8.4 in) in 1998; 186.9 mm (7.4 in) in 2015.

Download the Data

Data for Napoleonville standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Napoleonville 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).