Helen Springs Threshold Days by Year (ASN00015015)

5 fixed thresholds counted per year at Helen Springs (ASN00015015): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Helen Springs Thresholds

Helen Springs: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 2000 with 32.
Helen Springs: days with 25 mm (0.98 in) or more of precipitation in 59 years, most in 1974 with 12.
Helen Springs: days with 50 mm (1.97 in) or more of precipitation in 45 years, most in 2000 with 8.
Helen Springs: days with 100 mm (3.94 in) or more of precipitation in 14 years, most in 1979 with 3.
5 fixed thresholds have at least one qualifying day at Helen Springs.

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

60 years with a qualifying day

Days per year at Helen Springs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 2000.

Days with 10 mm (0.39 in) or more of precipitation per year at Helen Springs
Year	Days	Decade average
1945	7	10.8
1946	11	10.8
1947	12	10.8
1948	11	10.8
1949	13	10.8
1950	13	9.9
1951	11	9.9
1952	8	9.9
1953	12	9.9
1954	4	9.9
1955	10	9.9
1959	11	9.9
1960	15	11.1
1961	2	11.1
1962	8	11.1
1963	7	11.1
1964	7	11.1
1965	12	11.1
1966	11	11.1
1967	23	11.1
1968	18	11.1
1969	8	11.1
1970	5	15.5
1971	17	15.5
1972	8	15.5
1973	18	15.5
1974	26	15.5
1975	18	15.5
1976	18	15.5
1977	19	15.5
1978	12	15.5
1979	14	15.5
1980	15	13.7
1981	16	13.7
1982	15	13.7
1983	14	13.7
1984	15	13.7
1985	10	13.7
1986	7	13.7
1987	20	13.7
1988	11	13.7
1989	14	13.7
1990	8	11.1
1991	13	11.1
1992	10	11.1
1993	19	11.1
1994	9	11.1
1995	10	11.1
1996	8	11.1
1997	15	11.1
1998	8	11.1
2000	32	21
2001	26	21
2007	17	21
2008	9	21
2020	15	16.2
2022	22	16.2
2023	19	16.2
2025	15	16.2
2026	10	16.2

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

First to last qualifying date each year at Helen Springs
Year	First date	Last date
1945	1945-01-01	1945-12-29
1946	1946-01-06	1946-02-26
1947	1947-02-09	1947-12-21
1948	1948-01-02	1948-12-26
1949	1949-01-04	1949-12-24
1950	1950-01-20	1950-12-21
1951	1951-01-01	1951-03-12
1952	1952-01-26	1952-12-31
1953	1953-01-02	1953-12-31
1954	1954-01-28	1954-12-04
1955	1955-01-02	1955-10-30
1959	1959-01-07	1959-12-19
1960	1960-01-28	1960-12-29
1961	1961-01-29	1961-02-13
1962	1962-01-01	1962-06-27
1963	1963-01-06	1963-11-02
1964	1964-01-11	1964-12-30
1965	1965-03-02	1965-12-22
1966	1966-01-15	1966-10-02
1967	1967-02-05	1967-12-29
1968	1968-01-02	1968-07-14
1969	1969-02-05	1969-12-13
1970	1970-02-28	1970-12-06
1971	1971-02-08	1971-12-15
1972	1972-02-17	1972-11-23
1973	1973-01-02	1973-12-31
1974	1974-01-01	1974-12-25
1975	1975-01-02	1975-12-16
1976	1976-01-07	1976-12-25
1977	1977-01-13	1977-12-18
1978	1978-01-05	1978-11-19
1979	1979-01-13	1979-12-31
1980	1980-01-01	1980-12-30
1981	1981-01-21	1981-11-29
1982	1982-01-26	1982-12-26
1983	1983-01-03	1983-12-06
1984	1984-01-03	1984-12-18
1985	1985-02-07	1985-12-31
1986	1986-01-02	1986-11-17
1987	1987-01-12	1987-12-29
1988	1988-01-16	1988-12-28
1989	1989-01-04	1989-12-12
1990	1990-01-10	1990-12-07
1991	1991-01-17	1991-12-13
1992	1992-02-02	1992-12-23
1993	1993-01-04	1993-10-16
1994	1994-01-04	1994-12-24
1995	1995-01-06	1995-11-18
1996	1996-01-02	1996-05-07
1997	1997-01-15	1997-12-30
1998	1998-01-12	1998-12-29
2000	2000-01-10	2000-12-26
2001	2001-01-03	2001-12-11
2007	2007-01-08	2007-12-16
2008	2008-02-16	2008-12-31
2020	2020-01-01	2020-12-28
2022	2022-01-04	2022-12-31
2023	2023-01-06	2023-12-11
2025	2025-01-14	2025-12-26
2026	2026-01-28	2026-02-28

Every Fixed Threshold

Fixed thresholds at Helen Springs
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	60	32	2000	10
25 mm (0.98 in): Days with 25 mm or more rain	59	12	1974	5
50 mm (1.97 in): Days with 50 mm or more rain	45	8	2000	2
100 mm (3.94 in): Days with 100 mm or more rain	14	3	1979	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1949	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

Data for Helen Springs 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Helen Springs Threshold Days by Year (ASN00015015)

Key Facts for Helen Springs Thresholds

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

Every Fixed Threshold

Download the Data

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