Grand Chenier Weather Records (USC00163798)

Record envelope, standing records and threshold days for Grand Chenier (USC00163798), Louisiana, United States, with 47 years of record.

Key Facts for Grand Chenier

Grand Chenier (USC00163798) is a weather station in Louisiana, United States at 29.77 latitude and -92.95 longitude, 3 m (10 ft) above sea level.
The station reports from 1923 to 1969, 47 years of record.
1,122 records set at Grand Chenier still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Louisiana, United States, 29.77 latitude, -92.95 longitude.
Elevation: 3 m (10 ft).
Period of record: 1923 to 1969, 47 years.
Eligible elements: none yet.

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 Grand Chenier. 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 Grand Chenier, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	23.3 C (73.9 F)	-7.2 C (19.0 F)	n/a	n/a
Feb	25.0 C (77.0 F)	-4.4 C (24.1 F)	n/a	n/a
Mar	27.8 C (82.0 F)	-0.6 C (30.9 F)	n/a	n/a
Apr	29.4 C (84.9 F)	4.4 C (39.9 F)	n/a	n/a
May	31.7 C (89.1 F)	9.4 C (48.9 F)	n/a	n/a
Jun	n/a	n/a	n/a	n/a
Jul	36.1 C (97.0 F)	22.8 C (73.0 F)	n/a	n/a
Aug	36.7 C (98.1 F)	18.9 C (66.0 F)	n/a	n/a
Sep	34.4 C (93.9 F)	19.4 C (66.9 F)	n/a	n/a
Oct	31.1 C (88.0 F)	2.8 C (37.0 F)	n/a	n/a
Nov	26.7 C (80.1 F)	2.8 C (37.0 F)	n/a	n/a
Dec	26.1 C (79.0 F)	-1.7 C (28.9 F)	n/a	n/a

Which Years Hold Standing Records

1,122 standing records

1,122 records at Grand Chenier still stand. 1923 holds the most, with 588.

Wettest Day of Each Month

Sep: 355.6 mm (14.0 in)

The wettest day on record for each calendar month at Grand Chenier. The most was 355.6 mm (14.0 in) on 18 September 1943.

Record daily precipitation for each month at Grand Chenier
Month	Record daily precipitation (mm)	Date
Jan	101.6 mm (4.0 in)	12 January 1947
Feb	101.6 mm (4.0 in)	28 February 1965
Mar	190.5 mm (7.5 in)	12 March 1947
Apr	142.2 mm (5.6 in)	1 April 1945
May	116.8 mm (4.6 in)	15 May 1946
Jun	110.7 mm (4.4 in)	3 June 1950
Jul	176.0 mm (6.9 in)	15 July 1952
Aug	174.0 mm (6.9 in)	9 August 1940
Sep	355.6 mm (14.0 in)	18 September 1943
Oct	129.5 mm (5.1 in)	4 October 1949
Nov	152.4 mm (6.0 in)	6 November 1943
Dec	170.2 mm (6.7 in)	13 December 1940

Period of Record Coverage

1923 to 1924

2 years of record at Grand Chenier, 1923 to 1924. 2 years have data for under 90 percent of days and are left out of rankings: 1923, 1924.

Latest Records

No records were set at this station in the latest data.

Extremes by Year

1923 to 1969

Yearly extremes at Grand Chenier: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	36.7 C (98.1 F)	1923	34.2 C (93.6 F)	2
Coldest night (TNn)	-7.2 C (19.0 F)	1924	-4.4 C (24.0 F)	2
Wettest day (Rx1day)	355.6 mm (14.0 in)	1943	114.9 mm (4.5 in)	28
Wettest five days (Rx5day)	373.7 mm (14.7 in)	1940	156.8 mm (6.2 in)	28
Longest dry spell (CDD)	45 days	1952	28 days	28

Hottest day (TXx)

The hottest day of the year at Grand Chenier, 1923 to 1969. The record is 36.7 C (98.1 F) in 1923, marked on the chart; the median year is 34.2 C (93.6 F).

Hottest day (TXx) at Grand Chenier by year
Year	Hottest day (TXx)
1923	36.7 C (98.1 F)
1924	31.7 C (89.1 F)
1940	n/a
1941	n/a
1942	n/a
1943	n/a
1944	n/a
1945	n/a
1946	n/a
1947	n/a
1948	n/a
1949	n/a
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	n/a
1957	n/a
1962	n/a
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	n/a

Coldest night (TNn)

The coldest night of the year at Grand Chenier, 1923 to 1969. The record is -7.2 C (19.0 F) in 1924, marked on the chart; the median year is -4.4 C (24.0 F).

Coldest night (TNn) at Grand Chenier by year
Year	Coldest night (TNn)
1923	-1.7 C (28.9 F)
1924	-7.2 C (19.0 F)
1940	n/a
1941	n/a
1942	n/a
1943	n/a
1944	n/a
1945	n/a
1946	n/a
1947	n/a
1948	n/a
1949	n/a
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	n/a
1957	n/a
1962	n/a
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	n/a

Wettest day (Rx1day)

The wettest day of the year at Grand Chenier, 1923 to 1969. The record is 355.6 mm (14.0 in) in 1943, marked on the chart; the median year is 114.9 mm (4.5 in).

Wettest day (Rx1day) at Grand Chenier by year
Year	Wettest day (Rx1day)
1923	121.9 mm (4.8 in)
1924	100.3 mm (3.9 in)
1940	174.0 mm (6.9 in)
1941	114.6 mm (4.5 in)
1942	127.3 mm (5.0 in)
1943	355.6 mm (14.0 in)
1944	80.0 mm (3.1 in)
1945	142.2 mm (5.6 in)
1946	130.0 mm (5.1 in)
1947	190.5 mm (7.5 in)
1948	57.2 mm (2.3 in)
1949	129.5 mm (5.1 in)
1950	110.7 mm (4.4 in)
1951	79.8 mm (3.1 in)
1952	176.0 mm (6.9 in)
1953	67.3 mm (2.6 in)
1954	70.6 mm (2.8 in)
1955	109.5 mm (4.3 in)
1956	66.3 mm (2.6 in)
1957	115.1 mm (4.5 in)
1962	118.6 mm (4.7 in)
1963	139.7 mm (5.5 in)
1964	127.0 mm (5.0 in)
1965	129.5 mm (5.1 in)
1966	76.2 mm (3.0 in)
1967	97.3 mm (3.8 in)
1968	66.5 mm (2.6 in)
1969	101.6 mm (4.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at Grand Chenier, 1923 to 1969. The record is 373.7 mm (14.7 in) in 1940, marked on the chart; the median year is 156.8 mm (6.2 in).

Wettest five days (Rx5day) at Grand Chenier by year
Year	Wettest five days (Rx5day)
1923	153.7 mm (6.1 in)
1924	120.7 mm (4.8 in)
1940	373.7 mm (14.7 in)
1941	197.4 mm (7.8 in)
1942	159.8 mm (6.3 in)
1943	358.1 mm (14.1 in)
1944	108.7 mm (4.3 in)
1945	143.7 mm (5.7 in)
1946	263.3 mm (10.4 in)
1947	190.5 mm (7.5 in)
1948	80.5 mm (3.2 in)
1949	257.1 mm (10.1 in)
1950	152.9 mm (6.0 in)
1951	149.4 mm (5.9 in)
1952	268.4 mm (10.6 in)
1953	187.7 mm (7.4 in)
1954	75.7 mm (3.0 in)
1955	167.7 mm (6.6 in)
1956	113.3 mm (4.5 in)
1957	198.1 mm (7.8 in)
1962	173.4 mm (6.8 in)
1963	148.3 mm (5.8 in)
1964	179.3 mm (7.1 in)
1965	228.6 mm (9.0 in)
1966	128.3 mm (5.1 in)
1967	125.5 mm (4.9 in)
1968	106.4 mm (4.2 in)
1969	130.4 mm (5.1 in)

Longest dry spell (CDD)

The longest dry spell of the year at Grand Chenier, 1923 to 1969. The record is 45 days in 1952, marked on the chart; the median year is 28 days.

Longest dry spell (CDD) at Grand Chenier by year
Year	Longest dry spell (CDD)
1923	21 days
1924	33 days
1940	19 days
1941	22 days
1942	23 days
1943	24 days
1944	39 days
1945	19 days
1946	28 days
1947	41 days
1948	18 days
1949	31 days
1950	19 days
1951	31 days
1952	45 days
1953	30 days
1954	22 days
1955	37 days
1956	28 days
1957	28 days
1962	29 days
1963	42 days
1964	28 days
1965	28 days
1966	26 days
1967	29 days
1968	18 days
1969	28 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 Grand Chenier standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Grand Chenier 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Year	Days with data	Share of year	Complete
1923	144	39%	No
1924	133	36%	No