Hanna 4 SSE Weather Records (USC00164050)

Record envelope, standing records and threshold days for Hanna 4 SSE (USC00164050), Louisiana, United States, with 51 years of record.

Key Facts for Hanna 4 SSE

Hanna 4 SSE (USC00164050) is a weather station in Louisiana, United States at 31.93 latitude and -93.31 longitude, 39 m (127 ft) above sea level.
The station reports from 1972 to 2022, 51 years of record.
2 records set at Hanna 4 SSE still stand.
Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
Hanna 4 SSE set a daily record precipitation of 114.3 mm (4.5 in) on 23 August 2022.

About the Station

Location: Louisiana, United States, 31.93 latitude, -93.31 longitude.
Elevation: 39 m (127 ft).
Period of record: 1972 to 2022, 51 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 Hanna 4 SSE. 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 Hanna 4 SSE, 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	-13.9 C (7.0 F)	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

2 standing records

2 records at Hanna 4 SSE still stand. 1976 holds the most, with 2.

All-Time Record Progression

2 new records

2 all-time records were set at Hanna 4 SSE between 23 June 2017 and 31 August 2017. Each dot is a new record.

When Hanna 4 SSE set new all-time records
Date	Kind	Detail
2017-06-23	Record daily precipitation	Record daily precipitation 203.2 mm (8.0 in)
2017-08-31	Record daily precipitation	Record daily precipitation 247.7 mm (9.8 in)

Wettest Day of Each Month

Aug: 247.7 mm (9.8 in)

The wettest day on record for each calendar month at Hanna 4 SSE. The most was 247.7 mm (9.8 in) on 31 August 2017.

Record daily precipitation for each month at Hanna 4 SSE
Month	Record daily precipitation (mm)	Date
Jan	118.1 mm (4.6 in)	14 January 2007
Feb	170.2 mm (6.7 in)	22 February 2018
Mar	111.8 mm (4.4 in)	29 March 2018
Apr	86.4 mm (3.4 in)	12 April 1974
May	119.4 mm (4.7 in)	16 May 1980
Jun	203.2 mm (8.0 in)	23 June 2017
Jul	94.0 mm (3.7 in)	1 July 1984
Aug	247.7 mm (9.8 in)	31 August 2017
Sep	121.9 mm (4.8 in)	11 September 1998
Oct	154.9 mm (6.1 in)	17 October 2006
Nov	114.3 mm (4.5 in)	4 November 2002
Dec	144.3 mm (5.7 in)	24 December 2009

Period of Record Coverage

1976 to 1976

1 years of record at Hanna 4 SSE, 1976 to 1976. 1 years have data for under 90 percent of days and are left out of rankings: 1976.

Latest Records

Latest records at Hanna 4 SSE
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 August 2022	Hanna 4 SSE, US	daily rain	114.3 mm (4.5 in)	71.4 mm (2.8 in)	49 years	47 of 100 (Notable)
14 July 2022	Hanna 4 SSE, US	daily rain	55.4 mm (2.2 in)	18.6 mm (0.7 in)	25 years	23 of 100 (Routine)
13 April 2022	Hanna 4 SSE, US	daily rain	72.4 mm (2.9 in)	33.0 mm (1.3 in)	41 years	34 of 100 (Routine)
21 March 2022	Hanna 4 SSE, US	daily rain	50.8 mm (2.0 in)	4.6 mm (0.18 in)	41 years	19 of 100 (Routine)
8 March 2022	Hanna 4 SSE, US	daily rain	34.3 mm (1.4 in)	15.5 mm (0.6 in)	45 years	26 of 100 (Routine)
19 December 2021	Hanna 4 SSE, US	daily rain	21.8 mm (0.9 in)	2.7 mm (0.11 in)	23 years	12 of 100 (Routine)
2 October 2021	Hanna 4 SSE, US	daily rain	28.4 mm (1.1 in)	2.7 mm (0.11 in)	23 years	12 of 100 (Routine)
3 September 2021	Hanna 4 SSE, US	daily rain	25.4 mm (1.0 in)	2.3 mm (0.09 in)	12 years	9 of 100 (Routine)
3 July 2021	Hanna 4 SSE, US	daily rain	25.4 mm (1.0 in)	14.7 mm (0.6 in)	18 years	18 of 100 (Routine)
2 July 2021	Hanna 4 SSE, US	daily rain	25.7 mm (1.0 in)	13.0 mm (0.5 in)	14 years	16 of 100 (Routine)
5 June 2021	Hanna 4 SSE, US	daily rain	69.3 mm (2.7 in)	22.8 mm (0.9 in)	23 years	21 of 100 (Routine)
28 May 2021	Hanna 4 SSE, US	daily rain	13.2 mm (0.5 in)	0.2 mm (0.01 in)	46 years	18 of 100 (Routine)
26 May 2021	Hanna 4 SSE, US	daily rain	33.8 mm (1.3 in)	1.8 mm (0.07 in)	28 years	14 of 100 (Routine)
18 May 2021	Hanna 4 SSE, US	daily rain	17.8 mm (0.7 in)	2.6 mm (0.10 in)	19 years	11 of 100 (Routine)
24 April 2021	Hanna 4 SSE, US	daily rain	26.2 mm (1.0 in)	0.8 mm (0.03 in)	20 years	11 of 100 (Routine)
17 April 2021	Hanna 4 SSE, US	daily rain	55.9 mm (2.2 in)	5.1 mm (0.20 in)	39 years	18 of 100 (Routine)
10 April 2021	Hanna 4 SSE, US	daily rain	53.3 mm (2.1 in)	48.7 mm (1.9 in)	0 years	31 of 100 (Routine)
18 February 2021	Hanna 4 SSE, US	daily snow depth	2.5 cm (1.0 in)	2.5 cm (1.0 in)	48 years	20 of 100 (Routine)
17 February 2021	Hanna 4 SSE, US	daily snow depth	2.5 cm (1.0 in)	2.5 cm (1.0 in)	48 years	20 of 100 (Routine)
16 February 2021	Hanna 4 SSE, US	daily snow depth	2.5 cm (1.0 in)	2.5 cm (1.0 in)	48 years	20 of 100 (Routine)

Extremes by Year

1972 to 2022

Yearly extremes at Hanna 4 SSE: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	-13.9 C (7.0 F)	1976	-13.9 C (7.0 F)	1
Wettest day (Rx1day)	247.7 mm (9.8 in)	2017	91.4 mm (3.6 in)	37
Wettest five days (Rx5day)	351.4 mm (13.8 in)	2017	128.5 mm (5.1 in)	37
Longest dry spell (CDD)	38 days	1998	23 days	37

Hottest day (TXx)

The hottest day of the year at Hanna 4 SSE, 1972 to 2022. The record is -13.9 C (7.0 F) in 1976, marked on the chart; the median year is -13.9 C (7.0 F).

Hottest day (TXx) at Hanna 4 SSE by year
Year	Hottest day (TXx)
1972	n/a
1973	n/a
1974	n/a
1975	n/a
1976	-13.9 C (7.0 F)
1977	n/a
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	n/a
1983	n/a
1984	n/a
1985	n/a
1992	n/a
1993	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
2017	n/a
2018	n/a
2019	n/a
2020	n/a
2021	n/a
2022	n/a

Wettest day (Rx1day)

The wettest day of the year at Hanna 4 SSE, 1972 to 2022. The record is 247.7 mm (9.8 in) in 2017, marked on the chart; the median year is 91.4 mm (3.6 in).

Wettest day (Rx1day) at Hanna 4 SSE by year
Year	Wettest day (Rx1day)
1972	62.2 mm (2.4 in)
1973	67.6 mm (2.7 in)
1974	89.7 mm (3.5 in)
1975	88.9 mm (3.5 in)
1976	80.5 mm (3.2 in)
1977	66.0 mm (2.6 in)
1978	84.6 mm (3.3 in)
1979	81.3 mm (3.2 in)
1980	119.4 mm (4.7 in)
1981	56.4 mm (2.2 in)
1982	86.4 mm (3.4 in)
1983	94.0 mm (3.7 in)
1984	104.1 mm (4.1 in)
1985	81.3 mm (3.2 in)
1992	94.0 mm (3.7 in)
1993	66.5 mm (2.6 in)
1996	127.0 mm (5.0 in)
1997	119.4 mm (4.7 in)
1998	121.9 mm (4.8 in)
1999	113.5 mm (4.5 in)
2000	91.4 mm (3.6 in)
2001	119.4 mm (4.7 in)
2002	114.3 mm (4.5 in)
2003	83.1 mm (3.3 in)
2004	101.6 mm (4.0 in)
2005	72.9 mm (2.9 in)
2006	154.9 mm (6.1 in)
2007	118.1 mm (4.6 in)
2008	108.0 mm (4.3 in)
2009	144.3 mm (5.7 in)
2010	68.6 mm (2.7 in)
2017	247.7 mm (9.8 in)
2018	170.2 mm (6.7 in)
2019	83.8 mm (3.3 in)
2020	89.7 mm (3.5 in)
2021	69.3 mm (2.7 in)
2022	114.3 mm (4.5 in)

Wettest five days (Rx5day)

The wettest five days of the year at Hanna 4 SSE, 1972 to 2022. The record is 351.4 mm (13.8 in) in 2017, marked on the chart; the median year is 128.5 mm (5.1 in).

Wettest five days (Rx5day) at Hanna 4 SSE by year
Year	Wettest five days (Rx5day)
1972	95.4 mm (3.8 in)
1973	122.5 mm (4.8 in)
1974	144.6 mm (5.7 in)
1975	124.5 mm (4.9 in)
1976	84.9 mm (3.3 in)
1977	70.9 mm (2.8 in)
1978	91.7 mm (3.6 in)
1979	105.0 mm (4.1 in)
1980	146.6 mm (5.8 in)
1981	78.8 mm (3.1 in)
1982	177.0 mm (7.0 in)
1983	156.7 mm (6.2 in)
1984	111.7 mm (4.4 in)
1985	103.8 mm (4.1 in)
1992	122.5 mm (4.8 in)
1993	153.2 mm (6.0 in)
1996	170.2 mm (6.7 in)
1997	128.5 mm (5.1 in)
1998	252.8 mm (10.0 in)
1999	182.3 mm (7.2 in)
2000	115.5 mm (4.5 in)
2001	180.1 mm (7.1 in)
2002	157.5 mm (6.2 in)
2003	169.9 mm (6.7 in)
2004	132.3 mm (5.2 in)
2005	102.9 mm (4.1 in)
2006	195.0 mm (7.7 in)
2007	172.5 mm (6.8 in)
2008	116.2 mm (4.6 in)
2009	159.3 mm (6.3 in)
2010	68.6 mm (2.7 in)
2017	351.4 mm (13.8 in)
2018	246.1 mm (9.7 in)
2019	124.7 mm (4.9 in)
2020	186.9 mm (7.4 in)
2021	97.0 mm (3.8 in)
2022	126.5 mm (5.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at Hanna 4 SSE, 1972 to 2022. The record is 38 days in 1998, marked on the chart; the median year is 23 days.

Longest dry spell (CDD) at Hanna 4 SSE by year
Year	Longest dry spell (CDD)
1972	23 days
1973	15 days
1974	18 days
1975	23 days
1976	16 days
1977	22 days
1978	23 days
1979	30 days
1980	34 days
1981	32 days
1982	23 days
1983	23 days
1984	19 days
1985	17 days
1992	23 days
1993	19 days
1996	19 days
1997	30 days
1998	38 days
1999	24 days
2000	28 days
2001	25 days
2002	22 days
2003	21 days
2004	16 days
2005	19 days
2006	30 days
2007	36 days
2008	23 days
2009	31 days
2010	25 days
2017	30 days
2018	17 days
2019	22 days
2020	20 days
2021	15 days
2022	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.

Download the Data

Data for Hanna 4 SSE standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Hanna 4 SSE 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).