Onslow Threshold Days by Year

15 fixed thresholds counted per year at Onslow (ASN00005016): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Onslow Thresholds

Onslow: days with 10 mm (0.39 in) or more of precipitation in 95 years, most in 1934 with 17.
Onslow: days with 25 mm (0.98 in) or more of precipitation in 83 years, most in 1998 with 9.
Onslow: days with 50 mm (1.97 in) or more of precipitation in 61 years, most in 1909 with 5.
Onslow: days with a maximum temperature at or above 30 C (86 F) in 45 years, most in 1981 with 247.
15 fixed thresholds have at least one qualifying day at Onslow.

Days at or above 30 C (86 F)

45 years with a qualifying day

Days per year at Onslow with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 247 in 1981.

Days at or above 30 C (86 F) per year at Onslow
Year	Days	Decade average
1957	231	215.7
1958	198	215.7
1959	218	215.7
1960	189	196.5
1961	192	196.5
1962	213	196.5
1964	199	196.5
1966	186	196.5
1967	200	196.5
1970	186	209
1976	208	209
1977	220	209
1978	215	209
1979	216	209
1980	233	216.4
1981	247	216.4
1982	246	216.4
1983	237	216.4
1984	211	216.4
1985	195	216.4
1986	195	216.4
1987	186	216.4
1989	198	216.4
1990	190	201.8
1991	203	201.8
1992	173	201.8
1993	178	201.8
1994	233	201.8
1995	196	201.8
1996	219	201.8
1997	201	201.8
1998	215	201.8
1999	210	201.8
2000	194	209.1
2001	187	209.1
2002	201	209.1
2003	206	209.1
2004	220	209.1
2005	206	209.1
2006	216	209.1
2007	229	209.1
2008	212	209.1
2009	220	209.1
2010	246	225.5
2011	205	225.5

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

First to last qualifying date each year at Onslow
Year	First date	Last date
1957	1957-01-01	1957-12-31
1958	1958-01-01	1958-12-31
1959	1959-01-01	1959-12-30
1960	1960-01-02	1960-12-30
1961	1961-01-01	1961-12-31
1962	1962-01-01	1962-12-31
1964	1964-01-01	1964-12-31
1966	1966-01-01	1966-12-31
1967	1967-01-01	1967-12-31
1970	1970-01-01	1970-12-31
1976	1976-01-01	1976-12-31
1977	1977-01-01	1977-12-31
1978	1978-01-01	1978-12-31
1979	1979-01-01	1979-12-31
1980	1980-01-01	1980-12-31
1981	1981-01-01	1981-12-31
1982	1982-01-01	1982-12-31
1983	1983-01-01	1983-12-31
1984	1984-01-01	1984-12-31
1985	1985-01-01	1985-12-31
1986	1986-01-01	1986-12-31
1987	1987-01-01	1987-12-31
1989	1989-01-01	1989-12-31
1990	1990-01-01	1990-12-31
1991	1991-01-01	1991-12-31
1992	1992-01-01	1992-12-31
1993	1993-01-01	1993-12-31
1994	1994-01-01	1994-12-31
1995	1995-01-01	1995-12-31
1996	1996-01-03	1996-12-31
1997	1997-01-01	1997-12-31
1998	1998-01-01	1998-12-31
1999	1999-01-01	1999-12-31
2000	2000-01-01	2000-12-31
2001	2001-01-01	2001-12-31
2002	2002-01-03	2002-12-31
2003	2003-01-01	2003-12-31
2004	2004-01-01	2004-12-31
2005	2005-01-01	2005-12-31
2006	2006-01-01	2006-12-31
2007	2007-01-01	2007-12-31
2008	2008-01-01	2008-12-31
2009	2009-01-01	2009-12-31
2010	2010-01-01	2010-12-31
2011	2011-01-01	2011-12-31

Every Fixed Threshold

Fixed thresholds at Onslow
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	45	247	1981	205
35 C (95 F): Days	45	111	1980	77
40 C (104 F): Days	45	32	1979	12
45 C (113 F): Days	32	6	1958	2
90 F (32.2 C): Days	45	194	1983	151
100 F (37.8 C): Days	45	56	1994	26
110 F (43.3 C): Days	44	11	1970	2
120 F (48.9 C): Days	2	1	2008	1
20 C (68 F): Tropical nights (min	44	215	2010	179
25 C (77 F): Days with min	44	86	2011	86
10 mm (0.39 in): Days with 10 mm or more rain	95	17	1934	17
25 mm (0.98 in): Days with 25 mm or more rain	83	9	1998	6
50 mm (1.97 in): Days with 50 mm or more rain	61	5	1909	3
100 mm (3.94 in): Days with 100 mm or more rain	29	2	1909	1
200 mm (7.87 in): Days with 200 mm or more rain	3	1	1958	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 Onslow 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).

Onslow Threshold Days by Year

Key Facts for Onslow Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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