Arcadia Threshold Days by Year (USC00160277)

17 fixed thresholds counted per year at Arcadia (USC00160277): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Arcadia Thresholds

Arcadia: days with 10 mm (0.39 in) or more of precipitation in 64 years, most in 1946 with 58.
Arcadia: days with 25 mm (0.98 in) or more of precipitation in 64 years, most in 1946 with 31.
Arcadia: days with 50 mm (1.97 in) or more of precipitation in 64 years, most in 2013 with 12.
Arcadia: nights with a minimum temperature at or below 0 C (32 F) in 38 years, most in 1968 with 70.
17 fixed thresholds have at least one qualifying day at Arcadia.

Days at or above 30 C (86 F)

37 years with a qualifying day

Days per year at Arcadia with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 152 in 1963.

Days at or above 30 C (86 F) per year at Arcadia
Year	Days	Decade average
1930	120	133.4
1931	140	133.4
1932	131	133.4
1933	145	133.4
1934	148	133.4
1935	143	133.4
1936	114	133.4
1937	126	133.4
1940	101	123
1941	133	123
1942	119	123
1943	135	123
1944	137	123
1945	118	123
1946	106	123
1947	135	123
1951	125	133
1952	137	133
1953	149	133
1954	135	133
1955	143	133
1956	147	133
1957	109	133
1958	114	133
1959	138	133
1960	130	125
1961	106	125
1962	144	125
1963	152	125
1964	122	125
1965	131	125
1966	107	125
1967	114	125
1968	110	125
1969	134	125
1970	126	112.5
1971	99	112.5

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

First to last qualifying date each year at Arcadia
Year	First date	Last date
1930	1930-04-07	1930-10-10
1931	1931-04-16	1931-10-26
1932	1932-04-20	1932-10-23
1933	1933-03-15	1933-11-29
1934	1934-04-03	1934-11-07
1935	1935-03-20	1935-10-22
1936	1936-03-15	1936-10-21
1937	1937-04-16	1937-11-01
1940	1940-05-05	1940-10-24
1941	1941-04-08	1941-10-24
1942	1942-04-26	1942-11-02
1943	1943-04-06	1943-10-22
1944	1944-05-11	1944-10-30
1945	1945-04-25	1945-10-20
1946	1946-03-30	1946-10-10
1947	1947-04-06	1947-10-30
1951	1951-05-01	1951-10-31
1952	1952-05-01	1952-10-28
1953	1953-03-19	1953-11-15
1954	1954-03-12	1954-10-15
1955	1955-03-12	1955-11-13
1956	1956-03-07	1956-10-20
1957	1957-04-19	1957-09-22
1958	1958-04-24	1958-10-10
1959	1959-04-21	1959-10-14
1960	1960-04-07	1960-10-03
1961	1961-05-07	1961-10-14
1962	1962-05-06	1962-10-21
1963	1963-03-15	1963-10-28
1964	1964-04-24	1964-10-03
1965	1965-04-09	1965-10-11
1966	1966-04-01	1966-10-15
1967	1967-03-12	1967-10-15
1968	1968-04-20	1968-10-31
1969	1969-04-23	1969-10-19
1970	1970-04-22	1970-10-06
1971	1971-04-20	1971-11-03

Every Fixed Threshold

Fixed thresholds at Arcadia
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	37	152	1963	99
35 C (95 F): Days	37	91	1954	25
40 C (104 F): Days	18	16	1934	2
90 F (32.2 C): Days	37	129	1953	73
100 F (37.8 C): Days	26	47	1934	3
110 F (43.3 C): Days	1	1	1930	1
0 C (32 F): Ice days (max	24	7	1963	1
0 C (32 F): Frost days (min	38	70	1968	47
-10 C (14 F): Days with min	22	10	1963	3
20 C (68 F): Tropical nights (min	38	115	1933	59
25 C (77 F): Days with min	14	12	1930	5
10 mm (0.39 in): Days with 10 mm or more rain	64	58	1946	23
25 mm (0.98 in): Days with 25 mm or more rain	64	31	1946	12
50 mm (1.97 in): Days with 50 mm or more rain	64	12	2013	4
100 mm (3.94 in): Days with 100 mm or more rain	30	4	2016	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	2016	1
10 cm (3.9 in): Days with 10 cm or more snowfall	5	1	1949	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1930.

Download the Data

Data for Arcadia 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).

Arcadia Threshold Days by Year (USC00160277)

Key Facts for Arcadia Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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