Walton Threshold Days by Year (USC00308936)

16 fixed thresholds counted per year at Walton (USC00308936): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Walton Thresholds

Walton: days with a maximum temperature at or above 30 C (86 F) in 39 years, most in 1988 with 38.
Walton: days with a maximum temperature at or below 0 C (32 F) in 39 years, most in 1978 with 70.
Walton: nights with a minimum temperature at or below 0 C (32 F) in 39 years, most in 1958 with 187.
Walton: nights with a minimum temperature at or below -10 C (14 F) in 39 years, most in 1960 with 82.
16 fixed thresholds have at least one qualifying day at Walton.

Days at or above 30 C (86 F)

39 years with a qualifying day

Days per year at Walton with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 38 in 1988.

Days at or above 30 C (86 F) per year at Walton
Year	Days	Decade average
1957	12	17
1958	6	17
1959	33	17
1960	8	20.4
1961	21	20.4
1962	21	20.4
1963	18	20.4
1964	26	20.4
1965	25	20.4
1966	36	20.4
1967	11	20.4
1968	23	20.4
1969	15	20.4
1970	19	18.8
1971	13	18.8
1972	17	18.8
1973	26	18.8
1974	11	18.8
1975	25	18.8
1976	11	18.8
1977	18	18.8
1978	21	18.8
1979	27	18.8
1980	20	17.9
1981	13	17.9
1982	13	17.9
1983	37	17.9
1984	13	17.9
1985	5	17.9
1986	7	17.9
1987	21	17.9
1988	38	17.9
1989	12	17.9
1990	6	14.5
1991	20	14.5
1992	5	14.5
1993	18	14.5
1994	13	14.5
1995	25	14.5

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

First to last qualifying date each year at Walton
Year	First date	Last date
1957	1957-06-16	1957-09-23
1958	1958-07-02	1958-09-01
1959	1959-05-12	1959-09-25
1960	1960-06-18	1960-09-09
1961	1961-05-15	1961-09-25
1962	1962-04-28	1962-09-02
1963	1963-06-24	1963-10-07
1964	1964-05-23	1964-09-23
1965	1965-05-03	1965-09-22
1966	1966-06-05	1966-09-02
1967	1967-06-03	1967-07-10
1968	1968-06-06	1968-08-25
1969	1969-05-29	1969-09-01
1970	1970-06-01	1970-09-24
1971	1971-05-19	1971-09-06
1972	1972-05-24	1972-09-17
1973	1973-06-05	1973-09-05
1974	1974-06-09	1974-08-20
1975	1975-05-20	1975-08-26
1976	1976-04-18	1976-08-26
1977	1977-05-17	1977-09-01
1978	1978-05-26	1978-08-19
1979	1979-05-08	1979-08-30
1980	1980-05-23	1980-09-02
1981	1981-06-15	1981-08-11
1982	1982-07-07	1982-09-13
1983	1983-06-12	1983-09-20
1984	1984-06-07	1984-08-14
1985	1985-08-09	1985-09-20
1986	1986-05-18	1986-07-08
1987	1987-05-29	1987-08-17
1988	1988-05-30	1988-08-15
1989	1989-05-19	1989-09-10
1990	1990-04-26	1990-07-05
1991	1991-06-15	1991-09-16
1992	1992-05-22	1992-08-27
1993	1993-06-18	1993-08-31
1994	1994-06-14	1994-07-21
1995	1995-06-18	1995-08-31

Every Fixed Threshold

Fixed thresholds at Walton
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	39	38	1988	25
35 C (95 F): Days	6	4	1988	4
90 F (32.2 C): Days	35	20	1988	4
0 C (32 F): Ice days (max	39	70	1978	63
0 C (32 F): Frost days (min	39	187	1958	157
-10 C (14 F): Days with min	39	82	1960	49
-20 C (-4 F): Days with min	39	23	1961	6
-30 C (-22 F): Days with min	13	5	1957	3
20 C (68 F): Tropical nights (min	29	6	1965	6
25 C (77 F): Days with min	1	1	1988	1
10 mm (0.39 in): Days with 10 mm or more rain	39	49	1990	32
25 mm (0.98 in): Days with 25 mm or more rain	39	18	1977	14
50 mm (1.97 in): Days with 50 mm or more rain	28	3	1976	3
10 cm (3.9 in): Days with 10 cm or more snowfall	39	11	1977	7
25 cm (9.8 in): Days with 25 cm or more snowfall	19	4	1966	2
50 cm (19.7 in): Days with 50 cm or more snowfall	2	1	1987	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1957.

Download the Data

Data for Walton 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).

Walton Threshold Days by Year (USC00308936)

Key Facts for Walton Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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