Iuka Threshold Days by Year (USC00224455)

16 fixed thresholds counted per year at Iuka (USC00224455): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Iuka Thresholds

Iuka: days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 1991 with 79.
Iuka: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1979 with 27.
Iuka: days with 50 mm (1.97 in) or more of precipitation in 31 years, most in 2004 with 13.
Iuka: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 1987 with 129.
16 fixed thresholds have at least one qualifying day at Iuka.

Days at or above 30 C (86 F)

28 years with a qualifying day

Days per year at Iuka with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 129 in 1987.

Days at or above 30 C (86 F) per year at Iuka
Year	Days	Decade average
1978	107	91.5
1979	76	91.5
1980	107	96.6
1981	86	96.6
1982	101	96.6
1983	86	96.6
1984	96	96.6
1985	81	96.6
1986	116	96.6
1987	129	96.6
1989	67	96.6
1990	92	77.5
1991	92	77.5
1992	39	77.5
1993	84	77.5
1994	53	77.5
1995	87	77.5
1996	71	77.5
1997	63	77.5
1998	102	77.5
1999	92	77.5
2000	103	77.9
2001	69	77.9
2002	106	77.9
2003	57	77.9
2004	45	77.9
2005	82	77.9
2006	83	77.9

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

First to last qualifying date each year at Iuka
Year	First date	Last date
1978	1978-04-06	1978-09-30
1979	1979-05-08	1979-09-13
1980	1980-04-23	1980-10-11
1981	1981-04-14	1981-10-07
1982	1982-03-20	1982-10-07
1983	1983-05-14	1983-09-20
1984	1984-04-26	1984-11-01
1985	1985-04-19	1985-10-14
1986	1986-04-04	1986-10-05
1987	1987-04-21	1987-09-29
1989	1989-04-23	1989-09-14
1990	1990-04-25	1990-09-30
1991	1991-05-18	1991-09-19
1992	1992-05-21	1992-09-10
1993	1993-05-08	1993-09-26
1994	1994-04-22	1994-09-17
1995	1995-04-11	1995-09-16
1996	1996-05-18	1996-09-10
1997	1997-06-20	1997-10-12
1998	1998-05-14	1998-10-01
1999	1999-06-04	1999-10-04
2000	2000-05-12	2000-10-27
2001	2001-04-11	2001-09-14
2002	2002-04-18	2002-10-03
2003	2003-05-10	2003-09-18
2004	2004-05-08	2004-09-07
2005	2005-05-12	2005-09-29
2006	2006-04-18	2006-10-05

Every Fixed Threshold

Fixed thresholds at Iuka
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	28	129	1987	83
35 C (95 F): Days	21	45	1980	17
40 C (104 F): Days	2	2	1986	1
90 F (32.2 C): Days	28	98	1987	46
100 F (37.8 C): Days	7	10	1980	6
0 C (32 F): Ice days (max	27	16	1989	2
0 C (32 F): Frost days (min	28	111	2002	96
-10 C (14 F): Days with min	26	22	1978	5
-20 C (-4 F): Days with min	3	3	1989	3
20 C (68 F): Tropical nights (min	28	62	1990	39
10 mm (0.39 in): Days with 10 mm or more rain	31	79	1991	37
25 mm (0.98 in): Days with 25 mm or more rain	31	27	1979	14
50 mm (1.97 in): Days with 50 mm or more rain	31	13	2004	3
100 mm (3.94 in): Days with 100 mm or more rain	14	3	1991	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1982	1
10 cm (3.9 in): Days with 10 cm or more snowfall	2	1	1980	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1978.

Download the Data

Data for Iuka 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).

Iuka Threshold Days by Year (USC00224455)

Key Facts for Iuka Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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