Castlemaine Prison Threshold Days by Year (ASN00088110)

13 fixed thresholds counted per year at Castlemaine Prison (ASN00088110): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Castlemaine Prison Thresholds

Castlemaine Prison: days with 10 mm (0.39 in) or more of precipitation in 59 years, most in 2010 with 35.
Castlemaine Prison: days with a maximum temperature at or above 30 C (86 F) in 53 years, most in 2009 with 58.
Castlemaine Prison: days with a maximum temperature at or above 35 C (95 F) in 53 years, most in 1968 with 23.
Castlemaine Prison: days with a maximum temperature at or above 90 F (32.2 C) in 53 years, most in 1982 with 41.
13 fixed thresholds have at least one qualifying day at Castlemaine Prison.

Days at or above 30 C (86 F)

53 years with a qualifying day

Days per year at Castlemaine Prison with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 58 in 2009.

Days at or above 30 C (86 F) per year at Castlemaine Prison
Year	Days	Decade average
1967	39	45
1968	54	45
1969	42	45
1970	41	44
1971	39	44
1972	49	44
1973	39	44
1974	45	44
1975	42	44
1976	43	44
1977	52	44
1978	44	44
1979	46	44
1980	45	36.2
1981	46	36.2
1982	55	36.2
1983	43	36.2
1984	26	36.2
1985	32	36.2
1986	25	36.2
1987	28	36.2
1988	31	36.2
1989	31	36.2
1991	30	27.7
1992	13	27.7
1993	15	27.7
1994	36	27.7
1995	27	27.7
1996	14	27.7
1997	40	27.7
1998	42	27.7
1999	32	27.7
2000	40	42.7
2001	40	42.7
2002	34	42.7
2003	46	42.7
2004	34	42.7
2005	36	42.7
2006	48	42.7
2007	46	42.7
2008	45	42.7
2009	58	42.7
2010	31	47.1
2011	24	47.1
2012	35	47.1
2013	52	47.1
2014	52	47.1
2015	58	47.1
2016	50	47.1
2017	58	47.1
2018	53	47.1
2019	58	47.1
2026	28	28

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

First to last qualifying date each year at Castlemaine Prison
Year	First date	Last date
1967	1967-01-05	1967-12-27
1968	1968-01-06	1968-12-30
1969	1969-01-02	1969-12-28
1970	1970-01-07	1970-12-27
1971	1971-01-06	1971-12-26
1972	1972-01-05	1972-12-31
1973	1973-01-01	1973-12-29
1974	1974-01-03	1974-12-27
1975	1975-01-01	1975-12-26
1976	1976-01-01	1976-12-31
1977	1977-01-06	1977-12-31
1978	1978-01-01	1978-12-31
1979	1979-01-01	1979-12-30
1980	1980-01-02	1980-12-31
1981	1981-01-01	1981-12-31
1982	1982-01-09	1982-12-31
1983	1983-01-01	1983-12-29
1984	1984-01-05	1984-12-30
1985	1985-01-12	1985-12-29
1986	1986-01-07	1986-12-30
1987	1987-01-02	1987-12-27
1988	1988-01-06	1988-12-24
1989	1989-01-08	1989-12-24
1991	1991-01-01	1991-12-26
1992	1992-01-19	1992-12-31
1993	1993-01-01	1993-12-01
1994	1994-01-02	1994-12-31
1995	1995-01-04	1995-12-30
1996	1996-01-06	1996-12-24
1997	1997-01-04	1997-12-31
1998	1998-01-01	1998-12-31
1999	1999-01-01	1999-12-15
2000	2000-01-03	2000-12-31
2001	2001-01-01	2001-12-29
2002	2002-01-06	2002-12-29
2003	2003-01-06	2003-12-31
2004	2004-01-01	2004-12-31
2005	2005-01-10	2005-12-31
2006	2006-01-01	2006-12-21
2007	2007-01-03	2007-12-31
2008	2008-01-01	2008-12-27
2009	2009-01-04	2009-12-31
2010	2010-01-08	2010-12-31
2011	2011-01-06	2011-12-31
2012	2012-01-01	2012-12-27
2013	2013-01-03	2013-12-28
2014	2014-01-09	2014-12-28
2015	2015-01-01	2015-12-31
2016	2016-01-01	2016-12-31
2017	2017-01-04	2017-12-28
2018	2018-01-04	2018-12-31
2019	2019-01-01	2019-12-30
2026	2026-01-02	2026-03-10

Every Fixed Threshold

Fixed thresholds at Castlemaine Prison
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	53	58	2009	28
35 C (95 F): Days	53	23	1968	11
40 C (104 F): Days	25	6	2009	1
90 F (32.2 C): Days	53	41	1982	16
100 F (37.8 C): Days	45	9	2009	5
110 F (43.3 C): Days	2	1	1968	1
0 C (32 F): Frost days (min	52	56	1967	10
20 C (68 F): Tropical nights (min	52	17	2013	5
25 C (77 F): Days with min	16	3	2014	1
10 mm (0.39 in): Days with 10 mm or more rain	59	35	2010	15
25 mm (0.98 in): Days with 25 mm or more rain	53	10	1973	4
50 mm (1.97 in): Days with 50 mm or more rain	13	3	2011	2
100 mm (3.94 in): Days with 100 mm or more rain	1	1	2011	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1967.

Download the Data

Data for Castlemaine Prison 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).

Castlemaine Prison Threshold Days by Year (ASN00088110)

Key Facts for Castlemaine Prison Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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