Opelousas AP Threshold Days by Year (USC00167001)

15 fixed thresholds counted per year at Opelousas AP (USC00167001): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Opelousas AP Thresholds

Opelousas AP: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1905 with 54.
Opelousas AP: days with 25 mm (0.98 in) or more of precipitation in 25 years, most in 1903 with 24.
Opelousas AP: days with 50 mm (1.97 in) or more of precipitation in 25 years, most in 1905 with 12.
Opelousas AP: nights with a minimum temperature at or below 0 C (32 F) in 24 years, most in 1912 with 41.
15 fixed thresholds have at least one qualifying day at Opelousas AP.

Days at or above 30 C (86 F)

22 years with a qualifying day

Days per year at Opelousas AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 174 in 1908.

Days at or above 30 C (86 F) per year at Opelousas AP
Year	Days	Decade average
1893	115	142.7
1894	156	142.7
1895	154	142.7
1896	158	142.7
1897	145	142.7
1898	135	142.7
1899	136	142.7
1901	120	147.9
1902	146	147.9
1903	125	147.9
1904	144	147.9
1905	144	147.9
1906	149	147.9
1907	166	147.9
1908	174	147.9
1909	163	147.9
1910	166	127
1911	173	127
1912	129	127
1913	92	127
1914	78	127
1915	124	127

For each year, a bar from the first to the last day at Opelousas AP meeting 30 C (86 F).

First to last qualifying date each year at Opelousas AP
Year	First date	Last date
1893	1893-04-10	1893-10-06
1894	1894-02-20	1894-11-03
1895	1895-04-01	1895-11-20
1896	1896-04-20	1896-11-27
1897	1897-04-28	1897-10-25
1898	1898-05-04	1898-10-11
1899	1899-04-30	1899-10-28
1901	1901-04-30	1901-10-28
1902	1902-04-20	1902-10-26
1903	1903-04-19	1903-11-15
1904	1904-04-02	1904-10-23
1905	1905-04-22	1905-10-20
1906	1906-04-27	1906-11-27
1907	1907-03-09	1907-11-10
1908	1908-03-04	1908-10-22
1909	1909-03-29	1909-11-23
1910	1910-03-22	1910-11-15
1911	1911-02-16	1911-11-18
1912	1912-03-22	1912-10-09
1913	1913-05-20	1913-10-10
1914	1914-05-17	1914-10-11
1915	1915-04-12	1915-11-02

Every Fixed Threshold

Fixed thresholds at Opelousas AP
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	22	174	1908	124
35 C (95 F): Days	22	87	1911	7
40 C (104 F): Days	4	4	1911	4
90 F (32.2 C): Days	22	134	1911	73
100 F (37.8 C): Days	13	23	1911	1
0 C (32 F): Ice days (max	4	3	1897	1
0 C (32 F): Frost days (min	24	41	1912	28
-10 C (14 F): Days with min	4	3	1895	1
20 C (68 F): Tropical nights (min	24	135	1905	97
25 C (77 F): Days with min	18	5	1897	1
10 mm (0.39 in): Days with 10 mm or more rain	25	54	1905	44
25 mm (0.98 in): Days with 25 mm or more rain	25	24	1903	19
50 mm (1.97 in): Days with 50 mm or more rain	25	12	1905	6
100 mm (3.94 in): Days with 100 mm or more rain	11	3	1907	2
10 cm (3.9 in): Days with 10 cm or more snowfall	1	1	1914	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Opelousas AP Threshold Days by Year (USC00167001)

Key Facts for Opelousas AP Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related