Bourneville 1 SSW Threshold Days by Year (USC00330854)

5 fixed thresholds counted per year at Bourneville 1 SSW (USC00330854): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bourneville 1 SSW Thresholds

Bourneville 1 SSW: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1978 with 46.
Bourneville 1 SSW: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1978 with 14.
Bourneville 1 SSW: days with 50 mm (1.97 in) or more of precipitation in 21 years, most in 1953 with 2.
Bourneville 1 SSW: days with 10 cm (3.9 in) or more of snowfall in 11 years, most in 1979 with 4.
5 fixed thresholds have at least one qualifying day at Bourneville 1 SSW.

Days with 10 mm (0.39 in) or more of precipitation

34 years with a qualifying day

Days per year at Bourneville 1 SSW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 46 in 1978.

Days with 10 mm (0.39 in) or more of precipitation per year at Bourneville 1 SSW
Year	Days	Decade average
1950	34	33.2
1951	38	33.2
1952	30	33.2
1953	27	33.2
1954	26	33.2
1955	35	33.2
1956	32	33.2
1957	31	33.2
1958	41	33.2
1959	38	33.2
1960	29	30.5
1961	36	30.5
1962	34	30.5
1963	23	30.5
1964	32	30.5
1965	32	30.5
1966	36	30.5
1967	28	30.5
1968	29	30.5
1969	26	30.5
1970	38	36.1
1971	34	36.1
1972	32	36.1
1973	34	36.1
1974	36	36.1
1975	41	36.1
1976	29	36.1
1977	30	36.1
1978	46	36.1
1979	41	36.1
1980	34	34
1981	34	34
1982	32	34
1985	36	34

For each year, a bar from the first to the last day at Bourneville 1 SSW meeting 10 mm (0.39 in).

First to last qualifying date each year at Bourneville 1 SSW
Year	First date	Last date
1950	1950-01-03	1950-12-08
1951	1951-01-03	1951-12-21
1952	1952-01-02	1952-12-10
1953	1953-01-08	1953-12-15
1954	1954-01-20	1954-12-29
1955	1955-02-02	1955-12-02
1956	1956-01-30	1956-12-14
1957	1957-01-10	1957-12-26
1958	1958-01-14	1958-12-05
1959	1959-01-01	1959-12-28
1960	1960-01-03	1960-12-21
1961	1961-01-01	1961-12-17
1962	1962-01-07	1962-12-21
1963	1963-01-11	1963-12-09
1964	1964-01-01	1964-12-26
1965	1965-01-02	1965-11-27
1966	1966-01-01	1966-12-11
1967	1967-02-03	1967-12-22
1968	1968-03-12	1968-12-28
1969	1969-01-18	1969-12-31
1970	1970-01-29	1970-12-23
1971	1971-01-04	1971-12-07
1972	1972-01-05	1972-12-20
1973	1973-01-04	1973-12-21
1974	1974-01-04	1974-12-16
1975	1975-02-23	1975-12-26
1976	1976-01-01	1976-10-31
1977	1977-01-10	1977-12-09
1978	1978-01-06	1978-12-21
1979	1979-01-01	1979-12-24
1980	1980-01-12	1980-12-10
1981	1981-02-02	1981-12-01
1982	1982-01-04	1982-12-26
1985	1985-01-02	1985-11-29

Every Fixed Threshold

Fixed thresholds at Bourneville 1 SSW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	34	46	1978	36
25 mm (0.98 in): Days with 25 mm or more rain	34	14	1978	9
50 mm (1.97 in): Days with 50 mm or more rain	21	2	1953	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1963	1
10 cm (3.9 in): Days with 10 cm or more snowfall	11	4	1979	4

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1950.

Download the Data

Data for Bourneville 1 SSW 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).

Bourneville 1 SSW Threshold Days by Year (USC00330854)

Key Facts for Bourneville 1 SSW Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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