Casterton Showgrounds Threshold Days by Year

13 fixed thresholds counted per year at Casterton Showgrounds (ASN00090135): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Casterton Showgrounds Thresholds

Casterton Showgrounds: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1971 with 27.
Casterton Showgrounds: days with a maximum temperature at or above 30 C (86 F) in 54 years, most in 2009 with 54.
Casterton Showgrounds: days with a maximum temperature at or above 35 C (95 F) in 54 years, most in 1968 with 22.
Casterton Showgrounds: days with a maximum temperature at or above 90 F (32.2 C) in 54 years, most in 1982 with 37.
13 fixed thresholds have at least one qualifying day at Casterton Showgrounds.

Days at or above 30 C (86 F)

54 years with a qualifying day

Days per year at Casterton Showgrounds with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 54 in 2009.

Days at or above 30 C (86 F) per year at Casterton Showgrounds
Year	Days	Decade average
1957	30	31.7
1958	25	31.7
1959	40	31.7
1960	34	33
1961	49	33
1962	36	33
1963	27	33
1964	14	33
1965	30	33
1966	33	33
1967	39	33
1968	38	33
1969	30	33
1970	30	33.6
1971	34	33.6
1972	33	33.6
1973	35	33.6
1974	42	33.6
1975	31	33.6
1976	31	33.6
1977	38	33.6
1978	27	33.6
1979	35	33.6
1980	41	35.2
1981	38	35.2
1982	49	35.2
1983	34	35.2
1984	24	35.2
1985	28	35.2
1986	24	35.2
1987	31	35.2
1988	41	35.2
1989	42	35.2
1990	37	33.8
1991	27	33.8
1992	19	33.8
1993	29	33.8
1994	41	33.8
1995	32	33.8
1996	29	33.8
1997	41	33.8
1998	42	33.8
1999	41	33.8
2000	45	39.5
2001	36	39.5
2002	33	39.5
2003	35	39.5
2004	30	39.5
2005	31	39.5
2006	43	39.5
2007	48	39.5
2008	40	39.5
2009	54	39.5
2010	31	31

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

First to last qualifying date each year at Casterton Showgrounds
Year	First date	Last date
1957	1957-01-02	1957-12-28
1958	1958-01-07	1958-12-23
1959	1959-01-03	1959-12-31
1960	1960-01-06	1960-12-30
1961	1961-01-06	1961-12-27
1962	1962-01-06	1962-12-31
1963	1963-01-08	1963-12-27
1964	1964-01-05	1964-11-16
1965	1965-01-08	1965-12-28
1966	1966-01-08	1966-12-25
1967	1967-01-05	1967-12-27
1968	1968-01-06	1968-12-22
1969	1969-01-07	1969-12-28
1970	1970-01-08	1970-12-26
1971	1971-01-06	1971-12-25
1972	1972-01-08	1972-12-29
1973	1973-01-01	1973-12-29
1974	1974-01-03	1974-12-23
1975	1975-01-01	1975-12-27
1976	1976-01-03	1976-12-31
1977	1977-01-06	1977-12-31
1978	1978-01-01	1978-12-31
1979	1979-01-01	1979-12-29
1980	1980-01-02	1980-12-31
1981	1981-01-01	1981-12-31
1982	1982-01-10	1982-12-31
1983	1983-01-20	1983-12-29
1984	1984-01-05	1984-12-29
1985	1985-01-12	1985-11-13
1986	1986-01-07	1986-12-30
1987	1987-01-24	1987-12-31
1988	1988-01-06	1988-12-24
1989	1989-01-02	1989-12-31
1990	1990-01-02	1990-12-31
1991	1991-01-01	1991-12-26
1992	1992-01-19	1992-12-31
1993	1993-01-01	1993-12-10
1994	1994-01-12	1994-12-27
1995	1995-01-03	1995-12-17
1996	1996-01-06	1996-12-21
1997	1997-01-04	1997-12-31
1998	1998-01-01	1998-12-31
1999	1999-01-01	1999-12-25
2000	2000-01-08	2000-12-31
2001	2001-01-01	2001-12-29
2002	2002-01-10	2002-12-30
2003	2003-01-06	2003-12-30
2004	2004-01-02	2004-12-31
2005	2005-01-10	2005-12-31
2006	2006-01-07	2006-12-30
2007	2007-01-02	2007-12-31
2008	2008-01-01	2008-12-21
2009	2009-01-04	2009-12-31
2010	2010-01-07	2010-12-31

Every Fixed Threshold

Fixed thresholds at Casterton Showgrounds
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	54	54	2009	31
35 C (95 F): Days	54	22	1968	13
40 C (104 F): Days	36	6	1980	2
90 F (32.2 C): Days	54	37	1982	22
100 F (37.8 C): Days	51	12	1968	4
110 F (43.3 C): Days	4	2	1959	2
0 C (32 F): Frost days (min	53	29	1982	14
20 C (68 F): Tropical nights (min	43	9	1974	2
25 C (77 F): Days with min	6	1	1974	1
10 mm (0.39 in): Days with 10 mm or more rain	60	27	1971	18
25 mm (0.98 in): Days with 25 mm or more rain	49	6	1973	4
50 mm (1.97 in): Days with 50 mm or more rain	8	2	2007	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	2007	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 Casterton Showgrounds 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Casterton Showgrounds Threshold Days by Year

Key Facts for Casterton Showgrounds Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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