Opelousas AP Weather Records (USC00167001)

Record envelope, standing records and threshold days for Opelousas AP (USC00167001), Louisiana, United States, with 59 years of record.

Key Facts for Opelousas AP

Opelousas AP (USC00167001) is a weather station in Louisiana, United States at 30.55 latitude and -92.08 longitude, 21 m (69 ft) above sea level.
The station reports from 1893 to 1951, 59 years of record.
1,464 records set at Opelousas AP 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, 30.55 latitude, -92.08 longitude.
Elevation: 21 m (69 ft).
Period of record: 1893 to 1951, 59 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 Opelousas AP. 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 Opelousas AP, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	28.9 C (84.0 F)	-13.3 C (8.1 F)	n/a	n/a
Feb	30.6 C (87.1 F)	-16.7 C (1.9 F)	n/a	n/a
Mar	35.0 C (95.0 F)	-4.4 C (24.1 F)	n/a	n/a
Apr	35.0 C (95.0 F)	0.0 C (32.0 F)	n/a	n/a
May	38.9 C (102.0 F)	4.4 C (39.9 F)	n/a	n/a
Jun	40.0 C (104.0 F)	11.1 C (52.0 F)	n/a	n/a
Jul	40.0 C (104.0 F)	14.4 C (57.9 F)	n/a	n/a
Aug	40.0 C (104.0 F)	13.3 C (55.9 F)	n/a	n/a
Sep	38.3 C (100.9 F)	5.0 C (41.0 F)	n/a	n/a
Oct	37.2 C (99.0 F)	-3.3 C (26.1 F)	n/a	n/a
Nov	32.2 C (90.0 F)	-7.8 C (18.0 F)	n/a	n/a
Dec	29.4 C (84.9 F)	-10.0 C (14.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Opelousas AP still stand. 1911 holds the most, with 118.

Standing records at Opelousas AP by the year they were set
Year set	Standing records
1893	51
1894	71
1895	42
1896	38
1897	56
1898	64
1899	57
1900	56
1901	43
1902	51
1903	50
1904	41
1905	53
1906	56
1907	77
1908	72
1909	89
1910	33
1911	118
1912	53
1913	54
1914	71
1915	45
1916	42
1917	48
1918	33

Wettest Day of Each Month

May: 157.5 mm (6.2 in)

The wettest day on record for each calendar month at Opelousas AP. The most was 157.5 mm (6.2 in) on 8 May 1907.

Record daily precipitation for each month at Opelousas AP
Month	Record daily precipitation (mm)	Date
Jan	137.7 mm (5.4 in)	28 January 1916
Feb	105.4 mm (4.1 in)	22 February 1915
Mar	109.2 mm (4.3 in)	19 March 1906
Apr	115.8 mm (4.6 in)	25 April 1913
May	157.5 mm (6.2 in)	8 May 1907
Jun	81.8 mm (3.2 in)	2 June 1909
Jul	104.6 mm (4.1 in)	31 July 1908
Aug	135.9 mm (5.4 in)	3 August 1909
Sep	154.4 mm (6.1 in)	27 September 1913
Oct	76.2 mm (3.0 in)	5 October 1906
Nov	75.4 mm (3.0 in)	17 November 1918
Dec	154.9 mm (6.1 in)	4 December 1912

Period of Record Coverage

1893 to 1918

26 years of record at Opelousas AP, 1893 to 1918. 4 years have data for under 90 percent of days and are left out of rankings: 1900, 1916, 1917, 1918.

Days with data per year at Opelousas AP
Year	Days with data	Share of year	Complete
1893	347	95%	Yes
1894	335	92%	Yes
1895	363	99%	Yes
1896	359	98%	Yes
1897	361	99%	Yes
1898	363	99%	Yes
1899	330	90%	Yes
1900	327	90%	No
1901	341	93%	Yes
1902	358	98%	Yes
1903	358	98%	Yes
1904	365	100%	Yes
1905	365	100%	Yes
1906	364	100%	Yes
1907	365	100%	Yes
1908	365	100%	Yes
1909	358	98%	Yes
1910	332	91%	Yes
1911	364	100%	Yes
1912	365	100%	Yes
1913	361	99%	Yes
1914	353	97%	Yes
1915	363	99%	Yes
1916	326	89%	No
1917	312	85%	No
1918	218	60%	No

Latest Records

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

Climate Trend

17 complete years, 1895 to 1915

One stripe for each of 17 complete years at Opelousas AP, 1895 to 1915. Blue stripes are years cooler than the station's own mean of 19.4 C (67.0 F); red stripes are warmer. The coolest year was 1914, at 18.0 C (64.4 F), and the warmest was 1911, at 21.4 C (70.6 F). The strongest colour marks a difference of 2.0 C (3.6 F).

Annual mean temperature at Opelousas AP as warming stripes, 1895 to 1915
Year	Annual mean temperature	Difference from the station mean
1895	19.0 C	-0.39 C
1896	19.9 C	+0.47 C
1897	19.7 C	+0.31 C
1898	19.2 C	-0.19 C
1901	18.9 C	-0.50 C
1902	19.6 C	+0.14 C
1903	18.4 C	-1.03 C
1904	19.4 C	0.00 C
1905	19.3 C	-0.09 C
1907	20.5 C	+1.10 C
1908	20.6 C	+1.20 C
1909	20.3 C	+0.91 C
1911	21.4 C	+1.99 C
1912	18.5 C	-0.98 C
1913	18.5 C	-0.94 C
1914	18.0 C	-1.45 C
1915	19.0 C	-0.48 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1893 to 1951

Yearly extremes at Opelousas AP: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	40.0 C (104.0 F)	1897	37.8 C (100.0 F)	26
Coldest night (TNn)	-16.7 C (1.9 F)	1899	-7.2 C (19.0 F)	26
Wettest day (Rx1day)	157.5 mm (6.2 in)	1907	78.3 mm (3.1 in)	28
Wettest five days (Rx5day)	279.9 mm (11.0 in)	1913	137.7 mm (5.4 in)	28
Longest dry spell (CDD)	42 days	1901	24 days	28

Hottest day (TXx)

The hottest day of the year at Opelousas AP, 1893 to 1951. The record is 40.0 C (104.0 F) in 1897, marked on the chart; the median year is 37.8 C (100.0 F).

Hottest day (TXx) at Opelousas AP by year
Year	Hottest day (TXx)
1893	35.0 C (95.0 F)
1894	39.4 C (102.9 F)
1895	36.1 C (97.0 F)
1896	37.8 C (100.0 F)
1897	40.0 C (104.0 F)
1898	36.1 C (97.0 F)
1899	38.9 C (102.0 F)
1900	36.7 C (98.1 F)
1901	40.0 C (104.0 F)
1902	38.9 C (102.0 F)
1903	36.1 C (97.0 F)
1904	36.1 C (97.0 F)
1905	36.7 C (98.1 F)
1906	37.8 C (100.0 F)
1907	37.8 C (100.0 F)
1908	40.0 C (104.0 F)
1909	39.4 C (102.9 F)
1910	36.7 C (98.1 F)
1911	40.0 C (104.0 F)
1912	35.6 C (96.1 F)
1913	37.8 C (100.0 F)
1914	37.8 C (100.0 F)
1915	36.1 C (97.0 F)
1916	38.3 C (100.9 F)
1917	37.2 C (99.0 F)
1918	38.3 C (100.9 F)
1950	n/a
1951	n/a

Coldest night (TNn)

The coldest night of the year at Opelousas AP, 1893 to 1951. The record is -16.7 C (1.9 F) in 1899, marked on the chart; the median year is -7.2 C (19.0 F).

Coldest night (TNn) at Opelousas AP by year
Year	Coldest night (TNn)
1893	-4.4 C (24.1 F)
1894	-7.2 C (19.0 F)
1895	-12.8 C (9.0 F)
1896	-7.8 C (18.0 F)
1897	-7.2 C (19.0 F)
1898	-7.2 C (19.0 F)
1899	-16.7 C (1.9 F)
1900	-6.7 C (19.9 F)
1901	-7.2 C (19.0 F)
1902	-3.3 C (26.1 F)
1903	-7.8 C (18.0 F)
1904	-6.1 C (21.0 F)
1905	-9.4 C (15.1 F)
1906	-7.2 C (19.0 F)
1907	-6.1 C (21.0 F)
1908	-4.4 C (24.1 F)
1909	-5.6 C (21.9 F)
1910	-5.0 C (23.0 F)
1911	-11.1 C (12.0 F)
1912	-7.2 C (19.0 F)
1913	-3.9 C (25.0 F)
1914	-5.6 C (21.9 F)
1915	-4.4 C (24.1 F)
1916	-6.7 C (19.9 F)
1917	-10.0 C (14.0 F)
1918	-13.3 C (8.1 F)
1950	n/a
1951	n/a

Wettest day (Rx1day)

The wettest day of the year at Opelousas AP, 1893 to 1951. The record is 157.5 mm (6.2 in) in 1907, marked on the chart; the median year is 78.3 mm (3.1 in).

Wettest day (Rx1day) at Opelousas AP by year
Year	Wettest day (Rx1day)
1893	77.0 mm (3.0 in)
1894	79.5 mm (3.1 in)
1895	67.3 mm (2.6 in)
1896	50.8 mm (2.0 in)
1897	73.2 mm (2.9 in)
1898	61.0 mm (2.4 in)
1899	59.2 mm (2.3 in)
1900	127.8 mm (5.0 in)
1901	101.6 mm (4.0 in)
1902	55.9 mm (2.2 in)
1903	95.3 mm (3.8 in)
1904	64.5 mm (2.5 in)
1905	132.1 mm (5.2 in)
1906	109.2 mm (4.3 in)
1907	157.5 mm (6.2 in)
1908	133.6 mm (5.3 in)
1909	140.7 mm (5.5 in)
1910	69.9 mm (2.8 in)
1911	93.2 mm (3.7 in)
1912	154.9 mm (6.1 in)
1913	154.4 mm (6.1 in)
1914	61.0 mm (2.4 in)
1915	105.4 mm (4.1 in)
1916	137.7 mm (5.4 in)
1917	73.2 mm (2.9 in)
1918	75.4 mm (3.0 in)
1950	48.3 mm (1.9 in)
1951	56.6 mm (2.2 in)

Wettest five days (Rx5day)

The wettest five days of the year at Opelousas AP, 1893 to 1951. The record is 279.9 mm (11.0 in) in 1913, marked on the chart; the median year is 137.7 mm (5.4 in).

Wettest five days (Rx5day) at Opelousas AP by year
Year	Wettest five days (Rx5day)
1893	94.0 mm (3.7 in)
1894	213.3 mm (8.4 in)
1895	92.7 mm (3.6 in)
1896	103.6 mm (4.1 in)
1897	178.8 mm (7.0 in)
1898	100.8 mm (4.0 in)
1899	113.0 mm (4.4 in)
1900	159.1 mm (6.3 in)
1901	174.3 mm (6.9 in)
1902	70.9 mm (2.8 in)
1903	140.5 mm (5.5 in)
1904	114.8 mm (4.5 in)
1905	222.4 mm (8.8 in)
1906	96.6 mm (3.8 in)
1907	269.3 mm (10.6 in)
1908	209.3 mm (8.2 in)
1909	198.5 mm (7.8 in)
1910	134.9 mm (5.3 in)
1911	221.2 mm (8.7 in)
1912	208.4 mm (8.2 in)
1913	279.9 mm (11.0 in)
1914	122.0 mm (4.8 in)
1915	156.4 mm (6.2 in)
1916	161.8 mm (6.4 in)
1917	113.8 mm (4.5 in)
1918	123.3 mm (4.9 in)
1950	77.4 mm (3.0 in)
1951	109.1 mm (4.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Opelousas AP, 1893 to 1951. The record is 42 days in 1901, marked on the chart; the median year is 24 days.

Longest dry spell (CDD) at Opelousas AP by year
Year	Longest dry spell (CDD)
1893	22 days
1894	25 days
1895	20 days
1896	21 days
1897	23 days
1898	30 days
1899	31 days
1900	16 days
1901	42 days
1902	20 days
1903	32 days
1904	24 days
1905	16 days
1906	29 days
1907	14 days
1908	18 days
1909	22 days
1910	31 days
1911	26 days
1912	16 days
1913	32 days
1914	21 days
1915	32 days
1916	35 days
1917	42 days
1918	29 days
1950	8 days
1951	18 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 Opelousas AP standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Opelousas AP 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).