Deeth Threshold Days by Year (USC00262189)

16 fixed thresholds counted per year at Deeth (USC00262189): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Deeth Thresholds

Deeth: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 1963 with 16.
Deeth: nights with a minimum temperature at or below 0 C (32 F) in 34 years, most in 1954 with 270.
Deeth: nights with a minimum temperature at or below -10 C (14 F) in 34 years, most in 1964 with 108.
Deeth: nights with a minimum temperature at or below -20 C (-4 F) in 33 years, most in 1964 with 39.
16 fixed thresholds have at least one qualifying day at Deeth.

Days at or above 30 C (86 F)

31 years with a qualifying day

Days per year at Deeth with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 72 in 1994.

Days at or above 30 C (86 F) per year at Deeth
Year	Days	Decade average
1952	52	58.7
1954	53	58.7
1955	60	58.7
1956	52	58.7
1957	67	58.7
1958	68	58.7
1960	62	59.1
1961	67	59.1
1962	52	59.1
1963	55	59.1
1964	54	59.1
1966	65	59.1
1967	59	59.1
1970	51	50
1971	54	50
1978	45	50
1980	40	44.8
1987	46	44.8
1988	56	44.8
1989	37	44.8
1990	50	45.5
1991	54	45.5
1993	15	45.5
1994	72	45.5
1995	37	45.5
1996	54	45.5
1997	39	45.5
1999	43	45.5
2000	61	60
2002	58	60
2003	61	60

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

First to last qualifying date each year at Deeth
Year	First date	Last date
1952	1952-06-04	1952-09-24
1954	1954-05-18	1954-09-21
1955	1955-06-06	1955-09-13
1956	1956-06-08	1956-09-19
1957	1957-06-03	1957-09-30
1958	1958-05-19	1958-09-11
1960	1960-05-12	1960-09-27
1961	1961-06-08	1961-08-29
1962	1962-06-24	1962-09-19
1963	1963-07-01	1963-09-30
1964	1964-06-25	1964-10-07
1966	1966-05-27	1966-09-24
1967	1967-05-22	1967-09-04
1970	1970-06-22	1970-09-02
1971	1971-06-17	1971-09-13
1978	1978-06-13	1978-09-04
1980	1980-07-05	1980-09-30
1987	1987-06-10	1987-09-24
1988	1988-06-03	1988-09-09
1989	1989-06-14	1989-08-29
1990	1990-06-21	1990-09-14
1991	1991-06-11	1991-09-05
1993	1993-06-26	1993-09-11
1994	1994-06-11	1994-09-23
1995	1995-07-06	1995-09-15
1996	1996-06-07	1996-09-09
1997	1997-05-30	1997-09-17
1999	1999-06-10	1999-09-13
2000	2000-06-04	2000-09-16
2002	2002-05-30	2002-09-14
2003	2003-05-23	2003-10-16

Every Fixed Threshold

Fixed thresholds at Deeth
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	31	72	1994	61
35 C (95 F): Days	25	16	1960	13
90 F (32.2 C): Days	31	46	1961	41
100 F (37.8 C): Days	3	3	2002	3
0 C (32 F): Ice days (max	31	57	1993	14
0 C (32 F): Frost days (min	34	270	1954	223
-10 C (14 F): Days with min	34	108	1964	53
-20 C (-4 F): Days with min	33	39	1964	20
-30 C (-22 F): Days with min	18	8	1990	2
-40 C (-40 F): Days with min	1	1	1990	1
20 C (68 F): Tropical nights (min	1	1	1988	1
10 mm (0.39 in): Days with 10 mm or more rain	48	16	1963	12
25 mm (0.98 in): Days with 25 mm or more rain	16	3	1980	1
50 mm (1.97 in): Days with 50 mm or more rain	1	1	1964	1
10 cm (3.9 in): Days with 10 cm or more snowfall	18	10	1955	2
25 cm (9.8 in): Days with 25 cm or more snowfall	3	3	1967	3

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

Data for Deeth 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Deeth Threshold Days by Year (USC00262189)

Key Facts for Deeth Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related