Walnut Grove Weather Records (USC00229326)

Record envelope, standing records and threshold days for Walnut Grove (USC00229326), Mississippi, United States, with 89 years of record.

Key Facts for Walnut Grove

Walnut Grove (USC00229326) is a weather station in Mississippi, United States at 32.60 latitude and -89.46 longitude, 97 m (318 ft) above sea level.
The station reports from 1938 to 2026, 89 years of record.
0 records set at Walnut Grove still stand.
Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
Walnut Grove set a daily record precipitation of 41.9 mm (1.6 in) on 21 June 2026.

About the Station

Location: Mississippi, United States, 32.60 latitude, -89.46 longitude.
Elevation: 97 m (318 ft).
Period of record: 1938 to 2026, 89 years.
Eligible elements: prcp, snow, snwd.

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 Walnut Grove. 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 Walnut Grove, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	n/a	n/a	n/a	n/a
Feb	n/a	n/a	n/a	n/a
Mar	n/a	n/a	n/a	n/a
Apr	n/a	n/a	n/a	n/a
May	n/a	n/a	n/a	n/a
Jun	n/a	n/a	n/a	n/a
Jul	n/a	n/a	n/a	n/a
Aug	n/a	n/a	n/a	n/a
Sep	n/a	n/a	n/a	n/a
Oct	n/a	n/a	n/a	n/a
Nov	n/a	n/a	n/a	n/a
Dec	n/a	n/a	n/a	n/a

Which Years Hold Standing Records

0 standing records

0 records at Walnut Grove still stand.

All-Time Record Progression

1 new records

1 all-time records were set at Walnut Grove between 5 September 2011 and 5 September 2011. Each dot is a new record.

Wettest Day of Each Month

Sep: 313.4 mm (12.3 in)

The wettest day on record for each calendar month at Walnut Grove. The most was 313.4 mm (12.3 in) on 5 September 2011.

Record daily precipitation for each month at Walnut Grove
Month	Record daily precipitation (mm)	Date
Jan	170.2 mm (6.7 in)	6 January 1950
Feb	139.7 mm (5.5 in)	6 February 2004
Mar	109.2 mm (4.3 in)	11 March 2016
Apr	154.2 mm (6.1 in)	3 April 2017
May	108.0 mm (4.3 in)	29 May 1995
Jun	177.8 mm (7.0 in)	19 June 2023
Jul	156.7 mm (6.2 in)	30 July 1946
Aug	177.8 mm (7.0 in)	24 August 2022
Sep	313.4 mm (12.3 in)	5 September 2011
Oct	119.6 mm (4.7 in)	5 October 1964
Nov	137.4 mm (5.4 in)	28 November 1948
Dec	107.7 mm (4.2 in)	29 December 1954

Latest Records

Latest records at Walnut Grove
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 June 2026	Walnut Grove, US	daily rain	41.9 mm (1.6 in)	21.1 mm (0.8 in)	76 years	42 of 100 (Notable)
9 May 2026	Walnut Grove, US	daily rain	34.5 mm (1.4 in)	4.0 mm (0.16 in)	35 years	20 of 100 (Routine)
25 April 2026	Walnut Grove, US	daily rain	64.8 mm (2.6 in)	16.5 mm (0.6 in)	72 years	36 of 100 (Notable)
25 November 2025	Walnut Grove, US	daily rain	58.4 mm (2.3 in)	5.8 mm (0.23 in)	46 years	23 of 100 (Routine)
3 September 2025	Walnut Grove, US	daily rain	36.3 mm (1.4 in)	2.3 mm (0.09 in)	16 years	14 of 100 (Routine)
29 August 2025	Walnut Grove, US	daily rain	66.5 mm (2.6 in)	27.9 mm (1.1 in)	84 years	49 of 100 (Notable)
9 June 2025	Walnut Grove, US	daily rain	113.0 mm (4.4 in)	48.5 mm (1.9 in)	4 years	38 of 100 (Notable)
7 May 2025	Walnut Grove, US	daily rain	50.8 mm (2.0 in)	13.5 mm (0.5 in)	38 years	27 of 100 (Routine)
25 July 2024	Walnut Grove, US	daily rain (Tie)	40.6 mm (1.6 in)	tie	79 years	7 of 100 (Routine)
5 June 2024	Walnut Grove, US	daily rain	39.9 mm (1.6 in)	12.5 mm (0.5 in)	62 years	33 of 100 (Routine)
25 January 2024	Walnut Grove, US	daily rain	106.7 mm (4.2 in)	59.7 mm (2.4 in)	21 years	47 of 100 (Notable)
16 January 2024	Walnut Grove, US	daily snow depth (Tie)	2.5 cm (1.0 in)	tie	1 year	2 of 100 (Routine)
19 June 2023	Walnut Grove, US	monthly rain	177.8 mm (7.0 in)	39.4 mm (1.6 in)	0 years	45 of 100 (Notable)
15 June 2023	Walnut Grove, US	monthly rain	138.4 mm (5.4 in)	47.0 mm (1.9 in)	34 years	61 of 100 (Major)
12 February 2023	Walnut Grove, US	daily rain	58.4 mm (2.3 in)	23.3 mm (0.9 in)	57 years	37 of 100 (Notable)
9 February 2023	Walnut Grove, US	daily rain	49.5 mm (1.9 in)	9.9 mm (0.39 in)	43 years	25 of 100 (Routine)
8 January 2023	Walnut Grove, US	daily rain	62.2 mm (2.4 in)	10.1 mm (0.4 in)	76 years	35 of 100 (Notable)
6 November 2022	Walnut Grove, US	daily rain	28.4 mm (1.1 in)	10.6 mm (0.4 in)	27 years	21 of 100 (Routine)
25 August 2022	Walnut Grove, US	daily rain	69.9 mm (2.8 in)	28.5 mm (1.1 in)	55 years	41 of 100 (Notable)
24 August 2022	Walnut Grove, US	monthly rain	177.8 mm (7.0 in)	50.8 mm (2.0 in)	16 years	54 of 100 (Notable)

Extremes by Year

1938 to 2026

Yearly extremes at Walnut Grove: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Wettest day (Rx1day)	313.4 mm (12.3 in)	2011	88.9 mm (3.5 in)	89
Wettest five days (Rx5day)	349.5 mm (13.8 in)	2023	132.2 mm (5.2 in)	89
Longest dry spell (CDD)	51 days	1952	22 days	89

Wettest day (Rx1day)

The wettest day of the year at Walnut Grove, 1938 to 2026. The record is 313.4 mm (12.3 in) in 2011, marked on the chart; the median year is 88.9 mm (3.5 in).

Wettest day (Rx1day) at Walnut Grove by year
Year	Wettest day (Rx1day)
1938	51.6 mm (2.0 in)
1939	65.3 mm (2.6 in)
1940	90.7 mm (3.6 in)
1941	70.1 mm (2.8 in)
1942	70.4 mm (2.8 in)
1943	53.8 mm (2.1 in)
1944	61.5 mm (2.4 in)
1945	66.8 mm (2.6 in)
1946	156.7 mm (6.2 in)
1947	81.3 mm (3.2 in)
1948	137.4 mm (5.4 in)
1949	114.3 mm (4.5 in)
1950	170.2 mm (6.7 in)
1951	84.6 mm (3.3 in)
1952	54.4 mm (2.1 in)
1953	110.0 mm (4.3 in)
1954	120.9 mm (4.8 in)
1955	64.5 mm (2.5 in)
1956	110.0 mm (4.3 in)
1957	107.2 mm (4.2 in)
1958	59.7 mm (2.4 in)
1959	98.0 mm (3.9 in)
1960	65.0 mm (2.6 in)
1961	84.6 mm (3.3 in)
1962	108.5 mm (4.3 in)
1963	49.3 mm (1.9 in)
1964	119.6 mm (4.7 in)
1965	77.2 mm (3.0 in)
1966	51.8 mm (2.0 in)
1967	96.5 mm (3.8 in)
1968	66.0 mm (2.6 in)
1969	55.9 mm (2.2 in)
1970	50.8 mm (2.0 in)
1971	86.6 mm (3.4 in)
1972	77.2 mm (3.0 in)
1973	75.9 mm (3.0 in)
1974	103.9 mm (4.1 in)
1975	105.7 mm (4.2 in)
1976	85.3 mm (3.4 in)
1977	78.7 mm (3.1 in)
1978	74.9 mm (2.9 in)
1979	133.6 mm (5.3 in)
1980	106.7 mm (4.2 in)
1981	62.2 mm (2.4 in)
1982	97.8 mm (3.9 in)
1983	105.4 mm (4.1 in)
1984	85.1 mm (3.4 in)
1985	52.3 mm (2.1 in)
1986	71.6 mm (2.8 in)
1987	81.3 mm (3.2 in)
1988	76.2 mm (3.0 in)
1989	91.4 mm (3.6 in)
1990	96.5 mm (3.8 in)
1991	114.3 mm (4.5 in)
1992	57.2 mm (2.3 in)
1993	101.6 mm (4.0 in)
1994	94.0 mm (3.7 in)
1995	108.0 mm (4.3 in)
1996	152.4 mm (6.0 in)
1997	88.9 mm (3.5 in)
1998	82.6 mm (3.3 in)
1999	63.5 mm (2.5 in)
2000	114.3 mm (4.5 in)
2001	88.9 mm (3.5 in)
2002	72.4 mm (2.9 in)
2003	108.0 mm (4.3 in)
2004	139.7 mm (5.5 in)
2005	127.0 mm (5.0 in)
2006	56.9 mm (2.2 in)
2007	55.9 mm (2.2 in)
2008	93.0 mm (3.7 in)
2009	71.6 mm (2.8 in)
2010	77.2 mm (3.0 in)
2011	313.4 mm (12.3 in)
2012	127.0 mm (5.0 in)
2013	158.8 mm (6.3 in)
2014	106.7 mm (4.2 in)
2015	100.8 mm (4.0 in)
2016	124.5 mm (4.9 in)
2017	154.2 mm (6.1 in)
2018	124.5 mm (4.9 in)
2019	38.1 mm (1.5 in)
2020	65.5 mm (2.6 in)
2021	85.1 mm (3.4 in)
2022	177.8 mm (7.0 in)
2023	177.8 mm (7.0 in)
2024	106.7 mm (4.2 in)
2025	113.0 mm (4.4 in)
2026	64.8 mm (2.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Walnut Grove, 1938 to 2026. The record is 349.5 mm (13.8 in) in 2023, marked on the chart; the median year is 132.2 mm (5.2 in).

Wettest five days (Rx5day) at Walnut Grove by year
Year	Wettest five days (Rx5day)
1938	65.1 mm (2.6 in)
1939	126.3 mm (5.0 in)
1940	195.4 mm (7.7 in)
1941	49.1 mm (1.9 in)
1942	83.1 mm (3.3 in)
1943	91.7 mm (3.6 in)
1944	114.3 mm (4.5 in)
1945	99.5 mm (3.9 in)
1946	170.6 mm (6.7 in)
1947	108.0 mm (4.3 in)
1948	196.7 mm (7.7 in)
1949	138.9 mm (5.5 in)
1950	209.6 mm (8.3 in)
1951	101.4 mm (4.0 in)
1952	96.2 mm (3.8 in)
1953	137.4 mm (5.4 in)
1954	125.7 mm (4.9 in)
1955	118.1 mm (4.6 in)
1956	141.7 mm (5.6 in)
1957	168.7 mm (6.6 in)
1958	163.0 mm (6.4 in)
1959	160.8 mm (6.3 in)
1960	123.2 mm (4.9 in)
1961	246.7 mm (9.7 in)
1962	109.3 mm (4.3 in)
1963	71.1 mm (2.8 in)
1964	131.8 mm (5.2 in)
1965	102.1 mm (4.0 in)
1966	111.0 mm (4.4 in)
1967	107.9 mm (4.2 in)
1968	101.6 mm (4.0 in)
1969	110.2 mm (4.3 in)
1970	80.6 mm (3.2 in)
1971	191.5 mm (7.5 in)
1972	106.9 mm (4.2 in)
1973	150.1 mm (5.9 in)
1974	143.6 mm (5.7 in)
1975	154.7 mm (6.1 in)
1976	174.9 mm (6.9 in)
1977	145.1 mm (5.7 in)
1978	77.3 mm (3.0 in)
1979	204.0 mm (8.0 in)
1980	157.8 mm (6.2 in)
1981	98.0 mm (3.9 in)
1982	168.2 mm (6.6 in)
1983	183.0 mm (7.2 in)
1984	163.6 mm (6.4 in)
1985	124.7 mm (4.9 in)
1986	131.3 mm (5.2 in)
1987	125.7 mm (4.9 in)
1988	108.1 mm (4.3 in)
1989	122.0 mm (4.8 in)
1990	155.0 mm (6.1 in)
1991	180.4 mm (7.1 in)
1992	114.3 mm (4.5 in)
1993	136.0 mm (5.4 in)
1994	104.2 mm (4.1 in)
1995	204.6 mm (8.1 in)
1996	200.7 mm (7.9 in)
1997	156.2 mm (6.1 in)
1998	114.4 mm (4.5 in)
1999	106.7 mm (4.2 in)
2000	154.9 mm (6.1 in)
2001	132.2 mm (5.2 in)
2002	113.1 mm (4.5 in)
2003	163.9 mm (6.5 in)
2004	142.2 mm (5.6 in)
2005	127.0 mm (5.0 in)
2006	88.9 mm (3.5 in)
2007	115.3 mm (4.5 in)
2008	138.5 mm (5.5 in)
2009	119.0 mm (4.7 in)
2010	106.2 mm (4.2 in)
2011	332.4 mm (13.1 in)
2012	166.9 mm (6.6 in)
2013	187.0 mm (7.4 in)
2014	130.8 mm (5.1 in)
2015	137.2 mm (5.4 in)
2016	141.0 mm (5.6 in)
2017	170.2 mm (6.7 in)
2018	129.8 mm (5.1 in)
2019	58.2 mm (2.3 in)
2020	172.4 mm (6.8 in)
2021	116.9 mm (4.6 in)
2022	310.6 mm (12.2 in)
2023	349.5 mm (13.8 in)
2024	150.0 mm (5.9 in)
2025	149.6 mm (5.9 in)
2026	136.4 mm (5.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Walnut Grove, 1938 to 2026. The record is 51 days in 1952, marked on the chart; the median year is 22 days.

Longest dry spell (CDD) at Walnut Grove by year
Year	Longest dry spell (CDD)
1938	34 days
1939	21 days
1940	21 days
1941	6 days
1942	17 days
1943	22 days
1944	26 days
1945	17 days
1946	29 days
1947	20 days
1948	21 days
1949	21 days
1950	15 days
1951	26 days
1952	51 days
1953	36 days
1954	17 days
1955	27 days
1956	24 days
1957	26 days
1958	26 days
1959	12 days
1960	23 days
1961	24 days
1962	16 days
1963	22 days
1964	23 days
1965	29 days
1966	21 days
1967	19 days
1968	18 days
1969	21 days
1970	24 days
1971	25 days
1972	28 days
1973	13 days
1974	17 days
1975	12 days
1976	26 days
1977	21 days
1978	23 days
1979	31 days
1980	25 days
1981	28 days
1982	23 days
1983	19 days
1984	28 days
1985	14 days
1986	22 days
1987	38 days
1988	25 days
1989	22 days
1990	19 days
1991	27 days
1992	20 days
1993	25 days
1994	14 days
1995	24 days
1996	18 days
1997	17 days
1998	26 days
1999	21 days
2000	30 days
2001	40 days
2002	17 days
2003	21 days
2004	25 days
2005	48 days
2006	14 days
2007	22 days
2008	16 days
2009	22 days
2010	15 days
2011	26 days
2012	22 days
2013	19 days
2014	22 days
2015	25 days
2016	33 days
2017	11 days
2018	16 days
2019	4 days
2020	13 days
2021	13 days
2022	31 days
2023	28 days
2024	26 days
2025	14 days
2026	7 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

77 years, 1939 to 2025

A day with at least 91.5 mm (3.6 in) of rain is expected about once in 2 years. A day with at least 229.1 mm (9.0 in) of rain is expected about once in 100 years.

Rainfall return levels at Walnut Grove: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	91.5 mm (3.6 in)
5 years	124.0 mm (4.9 in)
10 years	147.2 mm (5.8 in)
25 years	178.5 mm (7.0 in)
50 years	203.2 mm (8.0 in)
100 years	229.1 mm (9.0 in)	Longer than the 77 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, 77 years of values from 1939 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: 313.4 mm (12.3 in) in 2011; 177.8 mm (7.0 in) in 2022; 177.8 mm (7.0 in) in 2023.

Download the Data

Data for Walnut Grove standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Walnut Grove 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	n/a	n/a	n/a	n/a
Feb	n/a	n/a	n/a	n/a
Mar	n/a	n/a	n/a	n/a
Apr	n/a	n/a	n/a	n/a
May	n/a	n/a	n/a	n/a
Jun	n/a	n/a	n/a	n/a
Jul	n/a	n/a	n/a	n/a
Aug	n/a	n/a	n/a	n/a
Sep	n/a	n/a	n/a	n/a
Oct	n/a	n/a	n/a	n/a
Nov	n/a	n/a	n/a	n/a
Dec	n/a	n/a	n/a	n/a

Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	n/a	n/a	n/a	n/a
Feb	n/a	n/a	n/a	n/a
Mar	n/a	n/a	n/a	n/a
Apr	n/a	n/a	n/a	n/a
May	n/a	n/a	n/a	n/a
Jun	n/a	n/a	n/a	n/a
Jul	n/a	n/a	n/a	n/a
Aug	n/a	n/a	n/a	n/a
Sep	n/a	n/a	n/a	n/a
Oct	n/a	n/a	n/a	n/a
Nov	n/a	n/a	n/a	n/a
Dec	n/a	n/a	n/a	n/a