Picayune Threshold Days by Year

16 fixed thresholds counted per year at Picayune (USC00226921): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Picayune Thresholds

Picayune: days with 10 mm (0.39 in) or more of precipitation in 58 years, most in 1991 with 92.
Picayune: days with 25 mm (0.98 in) or more of precipitation in 58 years, most in 1983 with 30.
Picayune: days with 50 mm (1.97 in) or more of precipitation in 57 years, most in 1973 with 11.
Picayune: days with a maximum temperature at or above 30 C (86 F) in 49 years, most in 1963 with 167.
16 fixed thresholds have at least one qualifying day at Picayune.

Days at or above 30 C (86 F)

49 years with a qualifying day

Days per year at Picayune with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 167 in 1963.

Days at or above 30 C (86 F) per year at Picayune
Year	Days	Decade average
1948	133	137.5
1949	142	137.5
1950	137	142.8
1951	142	142.8
1952	132	142.8
1953	143	142.8
1954	141	142.8
1955	165	142.8
1958	134	142.8
1959	148	142.8
1960	144	141.8
1962	163	141.8
1963	167	141.8
1964	131	141.8
1965	144	141.8
1966	119	141.8
1967	134	141.8
1968	141	141.8
1969	133	141.8
1970	132	131.5
1971	129	131.5
1972	160	131.5
1973	146	131.5
1974	119	131.5
1975	120	131.5
1976	118	131.5
1977	128	131.5
1982	136	117.7
1983	101	117.7
1984	124	117.7
1986	135	117.7
1987	115	117.7
1988	103	117.7
1989	110	117.7
1990	126	118.3
1991	92	118.3
1993	113	118.3
1994	100	118.3
1995	133	118.3
1996	125	118.3
1997	115	118.3
1998	142	118.3
2000	125	94.4
2001	110	94.4
2002	123	94.4
2003	63	94.4
2004	51	94.4
2016	136	128.5
2017	121	128.5

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

First to last qualifying date each year at Picayune
Year	First date	Last date
1948	1948-04-07	1948-09-23
1949	1949-04-24	1949-11-12
1950	1950-03-26	1950-11-01
1951	1951-03-04	1951-10-30
1952	1952-04-29	1952-10-13
1953	1953-04-18	1953-10-23
1954	1954-03-31	1954-10-14
1955	1955-03-11	1955-10-28
1958	1958-04-22	1958-11-18
1959	1959-04-19	1959-11-05
1960	1960-04-22	1960-10-18
1962	1962-03-21	1962-10-20
1963	1963-03-17	1963-10-28
1964	1964-04-24	1964-10-01
1965	1965-04-04	1965-10-17
1966	1966-04-01	1966-10-10
1967	1967-03-14	1967-10-14
1968	1968-03-29	1968-10-17
1969	1969-04-15	1969-10-21
1970	1970-05-01	1970-10-08
1971	1971-04-22	1971-10-28
1972	1972-04-12	1972-10-19
1973	1973-05-08	1973-10-25
1974	1974-03-31	1974-09-29
1975	1975-04-28	1975-10-30
1976	1976-05-07	1976-10-06
1977	1977-05-08	1977-10-24
1982	1982-03-18	1982-10-11
1983	1983-05-21	1983-10-16
1984	1984-05-07	1984-12-30
1986	1986-04-08	1986-10-12
1987	1987-04-19	1987-09-29
1988	1988-04-25	1988-10-01
1989	1989-04-26	1989-10-09
1990	1990-05-01	1990-10-17
1991	1991-05-12	1991-09-18
1993	1993-05-07	1993-10-21
1994	1994-05-10	1994-10-01
1995	1995-05-01	1995-10-28
1996	1996-05-06	1996-10-02
1997	1997-05-22	1997-10-13
1998	1998-05-08	1998-10-20
2000	2000-05-09	2000-10-29
2001	2001-04-14	2001-09-23
2002	2002-04-28	2002-10-07
2003	2003-05-02	2003-09-03
2004	2004-05-25	2004-10-31
2016	2016-04-06	2016-11-01
2017	2017-03-04	2017-10-23

Every Fixed Threshold

Fixed thresholds at Picayune
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	49	167	1963	121
35 C (95 F): Days	46	50	1954	1
90 F (32.2 C): Days	48	125	1962	52
100 F (37.8 C): Days	14	9	1969	9
0 C (32 F): Ice days (max	6	2	1962	1
0 C (32 F): Frost days (min	47	48	1988	11
-10 C (14 F): Days with min	10	5	1962	2
20 C (68 F): Tropical nights (min	47	132	2002	103
25 C (77 F): Days with min	22	8	2016	3
10 mm (0.39 in): Days with 10 mm or more rain	58	92	1991	54
25 mm (0.98 in): Days with 25 mm or more rain	58	30	1983	21
50 mm (1.97 in): Days with 50 mm or more rain	57	11	1973	8
100 mm (3.94 in): Days with 100 mm or more rain	34	2	1953	1
200 mm (7.87 in): Days with 200 mm or more rain	3	1	1969	1
10 cm (3.9 in): Days with 10 cm or more snowfall	1	1	1963	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1963	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.

Download the Data

Data for Picayune 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). Threshold counts are computed by this site.

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

Picayune Threshold Days by Year

Key Facts for Picayune Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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