Wilcox Threshold Days by Year (CA004018920)

16 fixed thresholds counted per year at Wilcox (CA004018920): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wilcox Thresholds

Wilcox: days with a maximum temperature at or above 30 C (86 F) in 23 years, most in 1961 with 48.
Wilcox: days with a maximum temperature at or above 90 F (32.2 C) in 23 years, most in 1961 with 31.
Wilcox: days with a maximum temperature at or below 0 C (32 F) in 23 years, most in 1955 with 130.
Wilcox: nights with a minimum temperature at or below 0 C (32 F) in 23 years, most in 1961 with 216.
16 fixed thresholds have at least one qualifying day at Wilcox.

Days at or above 30 C (86 F)

23 years with a qualifying day

Days per year at Wilcox with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 48 in 1961.

Days at or above 30 C (86 F) per year at Wilcox
Year	Days	Decade average
1953	12	19.7
1955	17	19.7
1956	12	19.7
1957	25	19.7
1958	27	19.7
1959	25	19.7
1960	26	24.6
1961	48	24.6
1963	15	24.6
1964	17	24.6
1966	24	24.6
1967	29	24.6
1968	17	24.6
1969	21	24.6
1970	27	17
1971	17	17
1972	18	17
1973	17	17
1974	12	17
1975	17	17
1976	14	17
1977	14	17
1978	17	17

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

First to last qualifying date each year at Wilcox
Year	First date	Last date
1953	1953-05-06	1953-09-08
1955	1955-05-19	1955-09-02
1956	1956-06-01	1956-09-26
1957	1957-05-30	1957-10-02
1958	1958-05-11	1958-09-12
1959	1959-06-02	1959-08-28
1960	1960-05-12	1960-09-04
1961	1961-05-29	1961-09-16
1963	1963-05-30	1963-10-03
1964	1964-05-17	1964-10-13
1966	1966-05-26	1966-09-11
1967	1967-06-27	1967-09-28
1968	1968-04-30	1968-09-11
1969	1969-05-26	1969-09-13
1970	1970-06-03	1970-09-04
1971	1971-05-13	1971-09-11
1972	1972-05-17	1972-08-30
1973	1973-06-22	1973-08-30
1974	1974-06-17	1974-07-22
1975	1975-06-24	1975-09-16
1976	1976-06-10	1976-09-11
1977	1977-05-08	1977-07-23
1978	1978-05-16	1978-09-04

Every Fixed Threshold

Fixed thresholds at Wilcox
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	23	48	1961	17
35 C (95 F): Days	20	10	1958	2
90 F (32.2 C): Days	23	31	1961	3
100 F (37.8 C): Days	8	3	1975	1
0 C (32 F): Ice days (max	23	130	1955	112
0 C (32 F): Frost days (min	23	216	1961	182
-10 C (14 F): Days with min	23	139	1955	115
-20 C (-4 F): Days with min	23	76	1978	76
-30 C (-22 F): Days with min	23	31	1972	21
-40 C (-40 F): Days with min	2	1	1969	1
20 C (68 F): Tropical nights (min	3	1	1958	1
10 mm (0.39 in): Days with 10 mm or more rain	19	18	1974	13
25 mm (0.98 in): Days with 25 mm or more rain	16	4	1956	1
50 mm (1.97 in): Days with 50 mm or more rain	6	1	1955	1
10 cm (3.9 in): Days with 10 cm or more snowfall	15	9	1974	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1970	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1953.

Download the Data

Data for Wilcox 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Wilcox Threshold Days by Year (CA004018920)

Key Facts for Wilcox Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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