Kwinana Bp Refinery Threshold Days by Year

11 fixed thresholds counted per year at Kwinana Bp Refinery (ASN00009064): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kwinana Bp Refinery Thresholds

Kwinana Bp Refinery: days with 10 mm (0.39 in) or more of precipitation in 51 years, most in 1974 with 41.
Kwinana Bp Refinery: days with 25 mm (0.98 in) or more of precipitation in 48 years, most in 1974 with 11.
Kwinana Bp Refinery: nights with a minimum temperature at or above 20 C (68 F) in 37 years, most in 1999 with 61.
Kwinana Bp Refinery: days with a maximum temperature at or above 30 C (86 F) in 35 years, most in 1988 with 61.
11 fixed thresholds have at least one qualifying day at Kwinana Bp Refinery.

Days at or above 30 C (86 F)

35 years with a qualifying day

Days per year at Kwinana Bp Refinery with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 61 in 1988.

Days at or above 30 C (86 F) per year at Kwinana Bp Refinery
Year	Days	Decade average
1957	34	30.7
1958	30	30.7
1959	28	30.7
1960	20	38
1961	48	38
1962	48	38
1963	47	38
1964	26	38
1965	45	38
1966	34	38
1967	41	38
1968	24	38
1969	47	38
1970	45	47.8
1973	39	47.8
1974	56	47.8
1975	45	47.8
1976	54	47.8
1982	44	45.6
1983	45	45.6
1984	41	45.6
1985	53	45.6
1986	37	45.6
1987	41	45.6
1988	61	45.6
1989	43	45.6
1990	40	47.8
1991	48	47.8
1993	41	47.8
1996	50	47.8
1999	60	47.8
2000	53	38.3
2005	23	38.3
2006	38	38.3
2007	39	38.3

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

First to last qualifying date each year at Kwinana Bp Refinery
Year	First date	Last date
1957	1957-01-07	1957-12-20
1958	1958-02-10	1958-12-27
1959	1959-01-01	1959-12-25
1960	1960-01-19	1960-12-24
1961	1961-01-02	1961-12-31
1962	1962-01-01	1962-12-25
1963	1963-01-08	1963-12-18
1964	1964-01-01	1964-12-31
1965	1965-01-01	1965-12-27
1966	1966-01-05	1966-12-20
1967	1967-01-01	1967-12-20
1968	1968-01-03	1968-12-31
1969	1969-01-01	1969-12-31
1970	1970-01-02	1970-12-29
1973	1973-01-04	1973-12-31
1974	1974-01-01	1974-12-30
1975	1975-01-10	1975-12-31
1976	1976-01-01	1976-12-27
1982	1982-01-02	1982-12-19
1983	1983-01-03	1983-12-29
1984	1984-01-07	1984-12-20
1985	1985-01-03	1985-12-31
1986	1986-01-01	1986-12-20
1987	1987-01-03	1987-12-19
1988	1988-01-03	1988-12-31
1989	1989-01-03	1989-12-26
1990	1990-01-04	1990-12-13
1991	1991-01-06	1991-12-21
1993	1993-01-04	1993-12-31
1996	1996-01-01	1996-12-31
1999	1999-01-07	1999-12-31
2000	2000-01-01	2000-12-27
2005	2005-01-01	2005-11-27
2006	2006-01-02	2006-12-31
2007	2007-01-21	2007-12-29

Every Fixed Threshold

Fixed thresholds at Kwinana Bp Refinery
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	35	61	1988	39
35 C (95 F): Days	35	20	1985	16
40 C (104 F): Days	16	3	1961	3
90 F (32.2 C): Days	35	37	1985	24
100 F (37.8 C): Days	30	9	1984	7
20 C (68 F): Tropical nights (min	37	61	1999	37
25 C (77 F): Days with min	32	9	1961	6
10 mm (0.39 in): Days with 10 mm or more rain	51	41	1974	16
25 mm (0.98 in): Days with 25 mm or more rain	48	11	1974	5
50 mm (1.97 in): Days with 50 mm or more rain	20	3	1987	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1987	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.

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Data for Kwinana Bp Refinery 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-14. Last revised 14 October 2026 (2026-10-14).

Kwinana Bp Refinery Threshold Days by Year

Key Facts for Kwinana Bp Refinery Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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