Waveland Threshold Days by Year (USC00229426)

15 fixed thresholds counted per year at Waveland (USC00229426): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Waveland Thresholds

Waveland: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1991 with 61.
Waveland: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1991 with 31.
Waveland: days with 50 mm (1.97 in) or more of precipitation in 36 years, most in 1991 with 17.
Waveland: days with a maximum temperature at or above 30 C (86 F) in 27 years, most in 2006 with 143.
15 fixed thresholds have at least one qualifying day at Waveland.

Days at or above 30 C (86 F)

27 years with a qualifying day

Days per year at Waveland with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 143 in 2006.

Days at or above 30 C (86 F) per year at Waveland
Year	Days	Decade average
1983	76	100.6
1984	94	100.6
1985	94	100.6
1986	128	100.6
1987	121	100.6
1988	101	100.6
1989	90	100.6
1990	107	97.9
1991	85	97.9
1992	88	97.9
1993	102	97.9
1994	79	97.9
1995	101	97.9
1996	100	97.9
1997	90	97.9
1998	118	97.9
1999	109	97.9
2000	112	120.6
2001	106	120.6
2002	115	120.6
2003	120	120.6
2004	116	120.6
2006	143	120.6
2007	132	120.6
2011	111	91
2012	71	91
2020	109	109

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

First to last qualifying date each year at Waveland
Year	First date	Last date
1983	1983-05-25	1983-10-06
1984	1984-05-07	1984-10-17
1985	1985-04-30	1985-10-17
1986	1986-05-10	1986-10-07
1987	1987-04-21	1987-09-29
1988	1988-04-25	1988-10-24
1989	1989-02-05	1989-09-23
1990	1990-05-18	1990-10-06
1991	1991-05-14	1991-10-14
1992	1992-05-14	1992-09-22
1993	1993-06-04	1993-10-07
1994	1994-05-10	1994-09-30
1995	1995-05-15	1995-10-11
1996	1996-05-22	1996-09-28
1997	1997-05-27	1997-10-02
1998	1998-05-09	1998-10-03
1999	1999-04-10	1999-10-18
2000	2000-05-11	2000-09-26
2001	2001-04-14	2001-09-25
2002	2002-04-29	2002-10-08
2003	2003-05-03	2003-10-23
2004	2004-05-25	2004-10-21
2006	2006-04-04	2006-10-21
2007	2007-05-11	2007-10-19
2011	2011-05-09	2011-09-29
2012	2012-05-17	2012-09-09
2020	2020-03-30	2020-10-14

Every Fixed Threshold

Fixed thresholds at Waveland
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	27	143	2006	109
35 C (95 F): Days	22	25	1986	7
40 C (104 F): Days	1	1	1986	1
90 F (32.2 C): Days	27	106	1986	52
100 F (37.8 C): Days	2	5	1986	1
0 C (32 F): Ice days (max	3	2	1983	2
0 C (32 F): Frost days (min	27	39	1988	10
-10 C (14 F): Days with min	2	3	1983	3
20 C (68 F): Tropical nights (min	27	152	2020	152
25 C (77 F): Days with min	25	38	2011	22
10 mm (0.39 in): Days with 10 mm or more rain	36	61	1991	31
25 mm (0.98 in): Days with 25 mm or more rain	36	31	1991	18
50 mm (1.97 in): Days with 50 mm or more rain	36	17	1991	8
100 mm (3.94 in): Days with 100 mm or more rain	21	4	1995	2
200 mm (7.87 in): Days with 200 mm or more rain	3	1	1991	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1983.

Download the Data

Data for Waveland 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Waveland Threshold Days by Year (USC00229426)

Key Facts for Waveland Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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