Riverton Lock 3 Weather Records (USC00167897)

Record envelope, standing records and threshold days for Riverton Lock 3 (USC00167897), Louisiana, United States, with 33 years of record.

Key Facts for Riverton Lock 3

Riverton Lock 3 (USC00167897) is a weather station in Louisiana, United States at 32.18 latitude and -92.10 longitude, 24 m (79 ft) above sea level.
The station reports from 1940 to 1972, 33 years of record.
174 records set at Riverton Lock 3 still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Riverton Lock 3 set a daily record precipitation of 45.7 mm (1.8 in) on 16 March 1972.

About the Station

Location: Louisiana, United States, 32.18 latitude, -92.10 longitude.
Elevation: 24 m (79 ft).
Period of record: 1940 to 1972, 33 years.
Eligible elements: prcp.

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 Riverton Lock 3. 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 Riverton Lock 3, 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	-3.9 C (25.0 F)	n/a	n/a	n/a
Apr	-0.6 C (30.9 F)	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	-5.0 C (23.0 F)	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

174 standing records

174 records at Riverton Lock 3 still stand. 1966 holds the most, with 116.

Wettest Day of Each Month

Apr: 184.2 mm (7.3 in)

The wettest day on record for each calendar month at Riverton Lock 3. The most was 184.2 mm (7.3 in) on 11 April 1947.

Record daily precipitation for each month at Riverton Lock 3
Month	Record daily precipitation (mm)	Date
Jan	156.2 mm (6.1 in)	3 January 1951
Feb	142.7 mm (5.6 in)	10 February 1966
Mar	104.9 mm (4.1 in)	30 March 1965
Apr	184.2 mm (7.3 in)	11 April 1947
May	131.3 mm (5.2 in)	17 May 1953
Jun	177.8 mm (7.0 in)	12 June 1945
Jul	99.1 mm (3.9 in)	25 July 1971
Aug	80.0 mm (3.1 in)	26 August 1967
Sep	113.8 mm (4.5 in)	21 September 1958
Oct	83.8 mm (3.3 in)	12 October 1970
Nov	168.7 mm (6.6 in)	19 November 1948
Dec	146.8 mm (5.8 in)	13 December 1956

Period of Record Coverage

1966 to 1972

2 years of record at Riverton Lock 3, 1966 to 1972. 2 years have data for under 90 percent of days and are left out of rankings: 1966, 1972.

Latest Records

Latest records at Riverton Lock 3
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
16 March 1972	Riverton Lock 3, US	daily rain	45.7 mm (1.8 in)	10.6 mm (0.4 in)	26 years	16 of 100 (Routine)
7 February 1972	Riverton Lock 3, US	daily rain	16.3 mm (0.6 in)	3.1 mm (0.12 in)	10 years	7 of 100 (Routine)
30 January 1972	Riverton Lock 3, US	daily rain	55.6 mm (2.2 in)	24.6 mm (1.0 in)	14 years	20 of 100 (Routine)
4 January 1972	Riverton Lock 3, US	daily rain	136.1 mm (5.4 in)	109.4 mm (4.3 in)	0 years	43 of 100 (Notable)
2 September 1971	Riverton Lock 3, US	daily rain	23.6 mm (0.9 in)	4.5 mm (0.18 in)	29 years	13 of 100 (Routine)
29 July 1971	Riverton Lock 3, US	daily rain	68.3 mm (2.7 in)	49.0 mm (1.9 in)	8 years	41 of 100 (Notable)
28 July 1971	Riverton Lock 3, US	daily rain	19.8 mm (0.8 in)	8.6 mm (0.34 in)	6 years	11 of 100 (Routine)
25 July 1971	Riverton Lock 3, US	monthly rain	99.1 mm (3.9 in)	34.1 mm (1.3 in)	4 years	39 of 100 (Notable)
10 July 1971	Riverton Lock 3, US	daily rain	14.0 mm (0.6 in)	14.0 mm (0.6 in)	29 years	20 of 100 (Routine)
12 May 1971	Riverton Lock 3, US	daily rain	40.1 mm (1.6 in)	19.0 mm (0.7 in)	2 years	12 of 100 (Routine)
11 May 1971	Riverton Lock 3, US	daily rain	65.5 mm (2.6 in)	31.0 mm (1.2 in)	16 years	23 of 100 (Routine)
7 May 1971	Riverton Lock 3, US	daily rain	63.5 mm (2.5 in)	56.1 mm (2.2 in)	29 years	39 of 100 (Notable)
26 February 1971	Riverton Lock 3, US	daily rain	38.4 mm (1.5 in)	27.7 mm (1.1 in)	27 years	26 of 100 (Routine)
4 January 1971	Riverton Lock 3, US	daily rain	26.7 mm (1.1 in)	0.5 mm (0.02 in)	13 years	7 of 100 (Routine)

Extremes by Year

1940 to 1972

Yearly extremes at Riverton Lock 3: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	-0.6 C (30.9 F)	1966	-2.2 C (28.0 F)	2
Wettest day (Rx1day)	184.2 mm (7.3 in)	1947	101.6 mm (4.0 in)	33
Wettest five days (Rx5day)	270.8 mm (10.7 in)	1947	143.5 mm (5.6 in)	33
Longest dry spell (CDD)	52 days	1952	25 days	33

Hottest day (TXx)

The hottest day of the year at Riverton Lock 3, 1940 to 1972. The record is -0.6 C (30.9 F) in 1966, marked on the chart; the median year is -2.2 C (28.0 F).

Hottest day (TXx) at Riverton Lock 3 by year
Year	Hottest day (TXx)
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
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	n/a
1966	-0.6 C (30.9 F)
1967	n/a
1968	n/a
1969	n/a
1970	n/a
1971	n/a
1972	-3.9 C (25.0 F)

Wettest day (Rx1day)

The wettest day of the year at Riverton Lock 3, 1940 to 1972. The record is 184.2 mm (7.3 in) in 1947, marked on the chart; the median year is 101.6 mm (4.0 in).

Wettest day (Rx1day) at Riverton Lock 3 by year
Year	Wettest day (Rx1day)
1940	71.9 mm (2.8 in)
1941	78.2 mm (3.1 in)
1942	106.7 mm (4.2 in)
1943	69.3 mm (2.7 in)
1944	59.9 mm (2.4 in)
1945	177.8 mm (7.0 in)
1946	95.3 mm (3.8 in)
1947	184.2 mm (7.3 in)
1948	168.7 mm (6.6 in)
1949	117.6 mm (4.6 in)
1950	99.1 mm (3.9 in)
1951	156.2 mm (6.1 in)
1952	108.0 mm (4.3 in)
1953	131.3 mm (5.2 in)
1954	73.7 mm (2.9 in)
1955	101.6 mm (4.0 in)
1956	146.8 mm (5.8 in)
1957	105.2 mm (4.1 in)
1958	113.8 mm (4.5 in)
1959	59.7 mm (2.4 in)
1960	50.8 mm (2.0 in)
1961	54.9 mm (2.2 in)
1962	55.9 mm (2.2 in)
1963	62.2 mm (2.4 in)
1964	90.7 mm (3.6 in)
1965	104.9 mm (4.1 in)
1966	142.7 mm (5.6 in)
1967	101.9 mm (4.0 in)
1968	145.3 mm (5.7 in)
1969	99.1 mm (3.9 in)
1970	83.8 mm (3.3 in)
1971	99.1 mm (3.9 in)
1972	136.1 mm (5.4 in)

Wettest five days (Rx5day)

The wettest five days of the year at Riverton Lock 3, 1940 to 1972. The record is 270.8 mm (10.7 in) in 1947, marked on the chart; the median year is 143.5 mm (5.6 in).

Wettest five days (Rx5day) at Riverton Lock 3 by year
Year	Wettest five days (Rx5day)
1940	95.8 mm (3.8 in)
1941	165.9 mm (6.5 in)
1942	147.9 mm (5.8 in)
1943	87.1 mm (3.4 in)
1944	143.5 mm (5.6 in)
1945	223.6 mm (8.8 in)
1946	177.9 mm (7.0 in)
1947	270.8 mm (10.7 in)
1948	244.9 mm (9.6 in)
1949	119.7 mm (4.7 in)
1950	165.4 mm (6.5 in)
1951	203.0 mm (8.0 in)
1952	112.0 mm (4.4 in)
1953	242.6 mm (9.6 in)
1954	111.8 mm (4.4 in)
1955	127.0 mm (5.0 in)
1956	157.0 mm (6.2 in)
1957	132.6 mm (5.2 in)
1958	211.8 mm (8.3 in)
1959	84.6 mm (3.3 in)
1960	88.1 mm (3.5 in)
1961	120.7 mm (4.8 in)
1962	84.3 mm (3.3 in)
1963	109.2 mm (4.3 in)
1964	104.1 mm (4.1 in)
1965	140.7 mm (5.5 in)
1966	176.0 mm (6.9 in)
1967	147.3 mm (5.8 in)
1968	211.4 mm (8.3 in)
1969	105.4 mm (4.1 in)
1970	124.0 mm (4.9 in)
1971	199.4 mm (7.9 in)
1972	185.4 mm (7.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Riverton Lock 3, 1940 to 1972. The record is 52 days in 1952, marked on the chart; the median year is 25 days.

Longest dry spell (CDD) at Riverton Lock 3 by year
Year	Longest dry spell (CDD)
1940	1 day
1941	18 days
1942	27 days
1943	34 days
1944	26 days
1945	16 days
1946	23 days
1947	26 days
1948	30 days
1949	27 days
1950	19 days
1951	40 days
1952	52 days
1953	36 days
1954	40 days
1955	23 days
1956	21 days
1957	20 days
1958	42 days
1959	24 days
1960	22 days
1961	26 days
1962	34 days
1963	32 days
1964	23 days
1965	33 days
1966	19 days
1967	22 days
1968	17 days
1969	25 days
1970	27 days
1971	23 days
1972	10 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 Riverton Lock 3 standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Riverton Lock 3 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).