Deerwood Threshold Days by Year (CA005020720)

17 fixed thresholds counted per year at Deerwood (CA005020720): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Deerwood Thresholds

Deerwood: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1971 with 27.
Deerwood: days with a maximum temperature at or above 30 C (86 F) in 29 years, most in 1961 with 43.
Deerwood: days with a maximum temperature at or above 90 F (32.2 C) in 29 years, most in 1961 with 29.
Deerwood: days with a maximum temperature at or below 0 C (32 F) in 29 years, most in 1955 with 130.
17 fixed thresholds have at least one qualifying day at Deerwood.

Days at or above 30 C (86 F)

29 years with a qualifying day

Days per year at Deerwood with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 43 in 1961.

Days at or above 30 C (86 F) per year at Deerwood
Year	Days	Decade average
1952	24	17.3
1953	22	17.3
1954	6	17.3
1955	34	17.3
1956	7	17.3
1957	16	17.3
1958	12	17.3
1960	23	18.1
1961	43	18.1
1962	10	18.1
1964	12	18.1
1965	7	18.1
1966	24	18.1
1967	23	18.1
1968	4	18.1
1969	17	18.1
1970	28	16
1971	8	16
1972	17	16
1973	13	16
1974	22	16
1975	16	16
1977	13	16
1978	14	16
1979	13	16
1980	29	22
1981	13	22
1982	10	22
1983	36	22

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

First to last qualifying date each year at Deerwood
Year	First date	Last date
1952	1952-04-26	1952-09-27
1953	1953-05-06	1953-08-31
1954	1954-06-23	1954-08-31
1955	1955-05-13	1955-09-05
1956	1956-05-21	1956-08-27
1957	1957-07-10	1957-08-10
1958	1958-05-12	1958-08-11
1960	1960-05-12	1960-09-02
1961	1961-05-21	1961-10-06
1962	1962-06-14	1962-09-02
1964	1964-05-20	1964-10-13
1965	1965-05-13	1965-08-23
1966	1966-05-21	1966-08-30
1967	1967-06-03	1967-09-06
1968	1968-06-03	1968-07-10
1969	1969-05-26	1969-09-13
1970	1970-05-17	1970-09-19
1971	1971-06-03	1971-08-28
1972	1972-05-16	1972-08-30
1973	1973-05-17	1973-08-31
1974	1974-06-03	1974-08-07
1975	1975-06-20	1975-08-30
1977	1977-05-10	1977-07-28
1978	1978-05-23	1978-09-10
1979	1979-06-13	1979-09-16
1980	1980-04-21	1980-09-07
1981	1981-05-21	1981-09-10
1982	1982-07-03	1982-09-10
1983	1983-06-10	1983-09-02

Every Fixed Threshold

Fixed thresholds at Deerwood
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	29	43	1961	36
35 C (95 F): Days	22	9	1961	6
90 F (32.2 C): Days	29	29	1961	21
100 F (37.8 C): Days	7	2	1961	2
0 C (32 F): Ice days (max	29	130	1955	108
0 C (32 F): Frost days (min	29	202	1970	181
-10 C (14 F): Days with min	29	131	1955	90
-20 C (-4 F): Days with min	29	87	1955	39
-30 C (-22 F): Days with min	29	20	1966	9
20 C (68 F): Tropical nights (min	20	10	1983	10
10 mm (0.39 in): Days with 10 mm or more rain	30	27	1971	12
25 mm (0.98 in): Days with 25 mm or more rain	29	9	1971	2
50 mm (1.97 in): Days with 50 mm or more rain	12	2	1953	1
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1952	1
10 cm (3.9 in): Days with 10 cm or more snowfall	27	9	1970	1
25 cm (9.8 in): Days with 25 cm or more snowfall	6	2	1966	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1971	1

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 Deerwood 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).

Deerwood Threshold Days by Year (CA005020720)

Key Facts for Deerwood Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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