Hayneville Threshold Days by Year (USC00013748)

15 fixed thresholds counted per year at Hayneville (USC00013748): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hayneville Thresholds

Hayneville: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1975 with 55.
Hayneville: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1975 with 29.
Hayneville: days with 50 mm (1.97 in) or more of precipitation in 32 years, most in 1975 with 11.
Hayneville: days with a maximum temperature at or above 30 C (86 F) in 16 years, most in 1962 with 151.
15 fixed thresholds have at least one qualifying day at Hayneville.

Days at or above 30 C (86 F)

16 years with a qualifying day

Days per year at Hayneville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 151 in 1962.

Days at or above 30 C (86 F) per year at Hayneville
Year	Days	Decade average
1959	138	138
1962	151	113.4
1963	139	113.4
1965	119	113.4
1966	95	113.4
1967	89	113.4
1968	104	113.4
1969	97	113.4
1970	110	105.3
1971	103	105.3
1972	118	105.3
1974	91	105.3
1975	97	105.3
1978	121	105.3
1979	97	105.3
1980	121	121

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

First to last qualifying date each year at Hayneville
Year	First date	Last date
1959	1959-04-07	1959-10-13
1962	1962-04-12	1962-10-18
1963	1963-03-19	1963-10-29
1965	1965-04-07	1965-09-24
1966	1966-04-14	1966-09-26
1967	1967-03-12	1967-10-08
1968	1968-03-21	1968-10-14
1969	1969-05-08	1969-09-20
1970	1970-04-23	1970-10-04
1971	1971-04-21	1971-10-17
1972	1972-04-13	1972-10-18
1974	1974-03-11	1974-09-22
1975	1975-04-28	1975-10-16
1978	1978-04-05	1978-09-25
1979	1979-05-11	1979-10-02
1980	1980-04-24	1980-09-29

Every Fixed Threshold

Fixed thresholds at Hayneville
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	16	151	1962	121
35 C (95 F): Days	15	74	1962	50
40 C (104 F): Days	1	1	1980	1
90 F (32.2 C): Days	16	119	1962	97
100 F (37.8 C): Days	8	7	1980	7
0 C (32 F): Ice days (max	8	5	1962	1
0 C (32 F): Frost days (min	14	80	1963	62
-10 C (14 F): Days with min	9	8	1962	3
20 C (68 F): Tropical nights (min	14	105	1959	33
25 C (77 F): Days with min	1	1	1966	1
10 mm (0.39 in): Days with 10 mm or more rain	34	55	1975	42
25 mm (0.98 in): Days with 25 mm or more rain	34	29	1975	15
50 mm (1.97 in): Days with 50 mm or more rain	32	11	1975	5
100 mm (3.94 in): Days with 100 mm or more rain	13	2	1939	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1948	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

Download the Data

Data for Hayneville 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).

Hayneville Threshold Days by Year (USC00013748)

Key Facts for Hayneville Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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