Spring Island Threshold Days by Year

10 fixed thresholds counted per year at Spring Island (CA001037650): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Spring Island Thresholds

Spring Island: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1974 with 122.
Spring Island: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1968 with 54.
Spring Island: days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 1971 with 19.
Spring Island: nights with a minimum temperature at or below 0 C (32 F) in 29 years, most in 1971 with 53.
10 fixed thresholds have at least one qualifying day at Spring Island.

Nights at or below 0 C (32 F)

29 years with a qualifying day

Days per year at Spring Island with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 53 in 1971.

Nights at or below 0 C (32 F) per year at Spring Island
Year	Days	Decade average
1950	49	28.6
1951	44	28.6
1952	30	28.6
1953	13	28.6
1954	33	28.6
1955	43	28.6
1956	31	28.6
1957	23	28.6
1958	3	28.6
1959	17	28.6
1960	22	26.4
1961	14	26.4
1962	31	26.4
1963	21	26.4
1964	34	26.4
1965	41	26.4
1966	22	26.4
1967	15	26.4
1968	29	26.4
1969	35	26.4
1970	26	32.6
1971	53	32.6
1972	48	32.6
1973	27	32.6
1974	23	32.6
1975	48	32.6
1976	26	32.6
1977	25	32.6
1978	17	32.6

For each year, a bar from the first to the last day at Spring Island meeting 0 C (32 F).

First to last qualifying date each year at Spring Island
Year	First date	Last date
1950	1950-01-01	1950-12-03
1951	1951-01-14	1951-12-31
1952	1952-01-01	1952-04-06
1953	1953-01-08	1953-12-15
1954	1954-01-12	1954-12-26
1955	1955-02-09	1955-12-31
1956	1956-01-03	1956-12-07
1957	1957-01-08	1957-02-25
1958	1958-03-14	1958-11-26
1959	1959-01-02	1959-11-26
1960	1960-01-01	1960-12-16
1961	1961-01-27	1961-12-26
1962	1962-01-12	1962-12-25
1963	1963-01-09	1963-12-11
1964	1964-01-07	1964-12-31
1965	1965-01-02	1965-12-31
1966	1966-01-01	1966-12-26
1967	1967-01-01	1967-12-20
1968	1968-01-02	1968-12-31
1969	1969-01-05	1969-03-13
1970	1970-01-04	1970-12-23
1971	1971-01-01	1971-12-31
1972	1972-01-02	1972-12-14
1973	1973-01-02	1973-12-31
1974	1974-01-01	1974-12-27
1975	1975-01-06	1975-12-31
1976	1976-01-12	1976-11-30
1977	1977-01-01	1977-12-31
1978	1978-01-01	1978-12-31

Every Fixed Threshold

Fixed thresholds at Spring Island
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	2	1	1958	1
0 C (32 F): Ice days (max	13	9	1950	2
0 C (32 F): Frost days (min	29	53	1971	17
-10 C (14 F): Days with min	2	2	1950	2
10 mm (0.39 in): Days with 10 mm or more rain	30	122	1974	94
25 mm (0.98 in): Days with 25 mm or more rain	30	54	1968	36
50 mm (1.97 in): Days with 50 mm or more rain	30	19	1971	9
100 mm (3.94 in): Days with 100 mm or more rain	14	6	1971	1
10 cm (3.9 in): Days with 10 cm or more snowfall	16	6	1969	3
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1964	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.

Download the Data

Data for Spring Island 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-14. Last revised 14 October 2026 (2026-10-14).

Spring Island Threshold Days by Year

Key Facts for Spring Island Thresholds

Nights at or below 0 C (32 F)

Every Fixed Threshold

Download the Data

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