Zachary Weather Records (USC00169930)

Record envelope, standing records and threshold days for Zachary (USC00169930), Louisiana, United States, with 35 years of record.

Key Facts for Zachary

Zachary (USC00169930) is a weather station in Louisiana, United States at 30.68 latitude and -91.13 longitude, 37 m (120 ft) above sea level.
The station reports from 1975 to 2009, 35 years of record.
1,464 records set at Zachary still stand.
Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
Zachary set a daily record precipitation of 54.4 mm (2.1 in) on 4 May 2009.

About the Station

Location: Louisiana, United States, 30.68 latitude, -91.13 longitude.
Elevation: 37 m (120 ft).
Period of record: 1975 to 2009, 35 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 Zachary. 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 Zachary, 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)	-6.7 C (19.9 F)	n/a	n/a
Feb	26.7 C (80.1 F)	-5.6 C (21.9 F)	n/a	n/a
Mar	28.9 C (84.0 F)	-2.2 C (28.0 F)	n/a	n/a
Apr	30.6 C (87.1 F)	3.3 C (37.9 F)	n/a	n/a
May	34.4 C (93.9 F)	6.7 C (44.1 F)	n/a	n/a
Jun	35.6 C (96.1 F)	15.6 C (60.1 F)	n/a	n/a
Jul	36.7 C (98.1 F)	20.0 C (68.0 F)	n/a	n/a
Aug	36.1 C (97.0 F)	15.6 C (60.1 F)	n/a	n/a
Sep	33.9 C (93.0 F)	8.9 C (48.0 F)	n/a	n/a
Oct	32.2 C (90.0 F)	4.4 C (39.9 F)	n/a	n/a
Nov	28.3 C (82.9 F)	-6.1 C (21.0 F)	n/a	n/a
Dec	26.1 C (79.0 F)	-6.1 C (21.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Zachary still stand. 1975 holds the most, with 404.

All-Time Record Progression

1 new records

1 all-time records were set at Zachary between 11 December 2008 and 11 December 2008. Each dot is a new record.

Wettest Day of Each Month

Dec: 191.3 mm (7.5 in)

The wettest day on record for each calendar month at Zachary. The most was 191.3 mm (7.5 in) on 4 December 1982.

Record daily precipitation for each month at Zachary
Month	Record daily precipitation (mm)	Date
Jan	152.7 mm (6.0 in)	21 January 1993
Feb	98.0 mm (3.9 in)	2 February 1988
Mar	89.2 mm (3.5 in)	14 March 1995
Apr	175.3 mm (6.9 in)	11 April 1995
May	136.1 mm (5.4 in)	15 May 2008
Jun	164.8 mm (6.5 in)	7 June 2001
Jul	104.6 mm (4.1 in)	27 July 1994
Aug	119.9 mm (4.7 in)	2 August 1983
Sep	136.9 mm (5.4 in)	24 September 2005
Oct	151.9 mm (6.0 in)	27 October 2006
Nov	78.5 mm (3.1 in)	22 November 1977
Dec	191.3 mm (7.5 in)	4 December 1982

Period of Record Coverage

1975 to 1981

6 years of record at Zachary, 1975 to 1981. 6 years have data for under 90 percent of days and are left out of rankings: 1975, 1976, 1977, 1978, 1979, 1981.

Latest Records

Latest records at Zachary
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 May 2009	Zachary, US	daily rain	54.4 mm (2.1 in)	12.2 mm (0.5 in)	2 years	7 of 100 (Routine)
18 April 2009	Zachary, US	daily rain	28.2 mm (1.1 in)	5.1 mm (0.20 in)	28 years	12 of 100 (Routine)
27 March 2009	Zachary, US	daily rain	31.0 mm (1.2 in)	11.9 mm (0.5 in)	4 years	10 of 100 (Routine)
26 March 2009	Zachary, US	daily rain	41.1 mm (1.6 in)	13.2 mm (0.5 in)	16 years	15 of 100 (Routine)
16 March 2009	Zachary, US	daily rain	33.5 mm (1.3 in)	13.4 mm (0.5 in)	12 years	13 of 100 (Routine)
12 December 2008	Zachary, US	daily snow depth	7.6 cm (3.0 in)	7.6 cm (3.0 in)	33 years	19 of 100 (Routine)
11 December 2008	Zachary, US	all-time snow depth	15.2 cm (6.0 in)	10.1 cm (4.0 in)	20 years	39 of 100 (Notable)
29 November 2008	Zachary, US	daily rain	28.4 mm (1.1 in)	0.7 mm (0.03 in)	24 years	10 of 100 (Routine)
20 August 2008	Zachary, US	daily rain	28.2 mm (1.1 in)	10.4 mm (0.4 in)	14 years	12 of 100 (Routine)
15 May 2008	Zachary, US	monthly rain	136.1 mm (5.4 in)	0.7 mm (0.03 in)	18 years	18 of 100 (Routine)
11 March 2008	Zachary, US	daily rain	27.9 mm (1.1 in)	6.8 mm (0.27 in)	8 years	8 of 100 (Routine)
11 January 2008	Zachary, US	daily rain	60.5 mm (2.4 in)	9.7 mm (0.38 in)	16 years	12 of 100 (Routine)
26 November 2007	Zachary, US	daily rain	56.6 mm (2.2 in)	13.9 mm (0.5 in)	26 years	18 of 100 (Routine)
18 October 2007	Zachary, US	daily rain	21.1 mm (0.8 in)	7.9 mm (0.31 in)	17 years	10 of 100 (Routine)
8 September 2007	Zachary, US	daily rain	57.9 mm (2.3 in)	2.3 mm (0.09 in)	8 years	6 of 100 (Routine)
31 July 2007	Zachary, US	daily rain	50.3 mm (2.0 in)	21.6 mm (0.9 in)	32 years	26 of 100 (Routine)
1 June 2007	Zachary, US	daily rain	69.9 mm (2.8 in)	29.5 mm (1.2 in)	12 years	19 of 100 (Routine)
4 May 2007	Zachary, US	daily rain	42.2 mm (1.7 in)	24.7 mm (1.0 in)	32 years	22 of 100 (Routine)
10 April 2007	Zachary, US	daily rain	5.8 mm (0.23 in)	0.7 mm (0.03 in)	32 years	12 of 100 (Routine)
5 January 2007	Zachary, US	daily rain	84.3 mm (3.3 in)	40.6 mm (1.6 in)	8 years	24 of 100 (Routine)

Extremes by Year

1975 to 2009

Yearly extremes at Zachary: 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)	1977	35.3 C (95.5 F)	6
Coldest night (TNn)	-6.7 C (19.9 F)	1976	-5.0 C (23.0 F)	6
Wettest day (Rx1day)	191.3 mm (7.5 in)	1982	104.6 mm (4.1 in)	35
Wettest five days (Rx5day)	481.7 mm (19.0 in)	2001	155.7 mm (6.1 in)	35
Longest dry spell (CDD)	66 days	1997	20 days	35

Hottest day (TXx)

The hottest day of the year at Zachary, 1975 to 2009. The record is 36.7 C (98.1 F) in 1977, marked on the chart; the median year is 35.3 C (95.5 F).

Hottest day (TXx) at Zachary by year
Year	Hottest day (TXx)
1975	34.4 C (93.9 F)
1976	36.1 C (97.0 F)
1977	36.7 C (98.1 F)
1978	35.6 C (96.1 F)
1979	23.9 C (75.0 F)
1980	n/a
1981	35.0 C (95.0 F)
1982	n/a
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

Coldest night (TNn)

The coldest night of the year at Zachary, 1975 to 2009. The record is -6.7 C (19.9 F) in 1976, marked on the chart; the median year is -5.0 C (23.0 F).

Coldest night (TNn) at Zachary by year
Year	Coldest night (TNn)
1975	-5.6 C (21.9 F)
1976	-6.7 C (19.9 F)
1977	-3.3 C (26.1 F)
1978	-4.4 C (24.1 F)
1979	-5.6 C (21.9 F)
1980	n/a
1981	21.1 C (70.0 F)
1982	n/a
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

Wettest day (Rx1day)

The wettest day of the year at Zachary, 1975 to 2009. The record is 191.3 mm (7.5 in) in 1982, marked on the chart; the median year is 104.6 mm (4.1 in).

Wettest day (Rx1day) at Zachary by year
Year	Wettest day (Rx1day)
1975	85.9 mm (3.4 in)
1976	57.9 mm (2.3 in)
1977	131.8 mm (5.2 in)
1978	116.8 mm (4.6 in)
1979	137.4 mm (5.4 in)
1980	102.6 mm (4.0 in)
1981	99.8 mm (3.9 in)
1982	191.3 mm (7.5 in)
1983	167.1 mm (6.6 in)
1984	138.7 mm (5.5 in)
1985	105.7 mm (4.2 in)
1986	63.2 mm (2.5 in)
1987	104.4 mm (4.1 in)
1988	105.7 mm (4.2 in)
1989	153.2 mm (6.0 in)
1990	88.9 mm (3.5 in)
1991	109.2 mm (4.3 in)
1992	94.0 mm (3.7 in)
1993	152.7 mm (6.0 in)
1994	104.6 mm (4.1 in)
1995	175.3 mm (6.9 in)
1996	90.9 mm (3.6 in)
1997	87.4 mm (3.4 in)
1998	99.3 mm (3.9 in)
1999	85.6 mm (3.4 in)
2000	76.2 mm (3.0 in)
2001	164.8 mm (6.5 in)
2002	94.7 mm (3.7 in)
2003	96.3 mm (3.8 in)
2004	119.9 mm (4.7 in)
2005	136.9 mm (5.4 in)
2006	151.9 mm (6.0 in)
2007	84.3 mm (3.3 in)
2008	136.1 mm (5.4 in)
2009	54.4 mm (2.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at Zachary, 1975 to 2009. The record is 481.7 mm (19.0 in) in 2001, marked on the chart; the median year is 155.7 mm (6.1 in).

Wettest five days (Rx5day) at Zachary by year
Year	Wettest five days (Rx5day)
1975	171.4 mm (6.7 in)
1976	86.1 mm (3.4 in)
1977	225.5 mm (8.9 in)
1978	129.3 mm (5.1 in)
1979	237.7 mm (9.4 in)
1980	153.2 mm (6.0 in)
1981	134.9 mm (5.3 in)
1982	212.4 mm (8.4 in)
1983	270.7 mm (10.7 in)
1984	208.3 mm (8.2 in)
1985	187.7 mm (7.4 in)
1986	90.1 mm (3.5 in)
1987	151.7 mm (6.0 in)
1988	178.3 mm (7.0 in)
1989	242.0 mm (9.5 in)
1990	105.4 mm (4.1 in)
1991	177.3 mm (7.0 in)
1992	163.5 mm (6.4 in)
1993	286.6 mm (11.3 in)
1994	117.6 mm (4.6 in)
1995	175.3 mm (6.9 in)
1996	147.5 mm (5.8 in)
1997	135.9 mm (5.4 in)
1998	150.1 mm (5.9 in)
1999	100.3 mm (3.9 in)
2000	130.5 mm (5.1 in)
2001	481.7 mm (19.0 in)
2002	158.2 mm (6.2 in)
2003	155.7 mm (6.1 in)
2004	263.4 mm (10.4 in)
2005	183.4 mm (7.2 in)
2006	154.9 mm (6.1 in)
2007	103.9 mm (4.1 in)
2008	136.1 mm (5.4 in)
2009	83.5 mm (3.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Zachary, 1975 to 2009. The record is 66 days in 1997, marked on the chart; the median year is 20 days.

Longest dry spell (CDD) at Zachary by year
Year	Longest dry spell (CDD)
1975	17 days
1976	18 days
1977	22 days
1978	38 days
1979	24 days
1980	28 days
1981	16 days
1982	17 days
1983	19 days
1984	17 days
1985	16 days
1986	23 days
1987	31 days
1988	21 days
1989	15 days
1990	16 days
1991	27 days
1992	17 days
1993	20 days
1994	15 days
1995	28 days
1996	17 days
1997	66 days
1998	37 days
1999	20 days
2000	28 days
2001	36 days
2002	33 days
2003	24 days
2004	19 days
2005	36 days
2006	20 days
2007	18 days
2008	15 days
2009	21 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 Zachary standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Zachary 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).

Days with data per year at Zachary
Year	Days with data	Share of year	Complete
1975	273	75%	No
1976	212	58%	No
1977	295	81%	No
1978	297	81%	No
1979	28	8%	No
1981	30	8%	No