Arundel Threshold Days by Year (CA007030310)

17 fixed thresholds counted per year at Arundel (CA007030310): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Arundel Thresholds

Arundel: days with a maximum temperature at or above 30 C (86 F) in 20 years, most in 1975 with 24.
Arundel: days with a maximum temperature at or below 0 C (32 F) in 20 years, most in 1976 with 108.
Arundel: days with 10 cm (3.9 in) or more of snowfall in 20 years, most in 1971 with 12.
Arundel: days with 10 mm (0.39 in) or more of precipitation in 18 years, most in 1976 with 42.
17 fixed thresholds have at least one qualifying day at Arundel.

Days at or above 30 C (86 F)

20 years with a qualifying day

Days per year at Arundel with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 24 in 1975.

Days at or above 30 C (86 F) per year at Arundel
Year	Days	Decade average
1964	7	6.3
1965	5	6.3
1966	6	6.3
1967	6	6.3
1968	6	6.3
1969	8	6.3
1970	13	9.6
1971	6	9.6
1972	2	9.6
1973	14	9.6
1974	2	9.6
1975	24	9.6
1976	9	9.6
1977	11	9.6
1978	11	9.6
1979	4	9.6
1980	5	7.5
1981	4	7.5
1982	3	7.5
1983	18	7.5

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

First to last qualifying date each year at Arundel
Year	First date	Last date
1964	1964-06-30	1964-07-28
1965	1965-06-28	1965-09-22
1966	1966-06-24	1966-07-25
1967	1967-06-03	1967-07-22
1968	1968-07-14	1968-09-20
1969	1969-06-27	1969-08-31
1970	1970-06-09	1970-08-15
1971	1971-05-19	1971-08-08
1972	1972-05-23	1972-07-12
1973	1973-07-07	1973-09-05
1974	1974-07-14	1974-08-21
1975	1975-05-20	1975-08-10
1976	1976-06-06	1976-08-21
1977	1977-05-17	1977-08-29
1978	1978-05-25	1978-08-16
1979	1979-05-09	1979-07-25
1980	1980-06-24	1980-08-25
1981	1981-06-16	1981-07-09
1982	1982-07-07	1982-07-18
1983	1983-06-12	1983-09-06

Every Fixed Threshold

Fixed thresholds at Arundel
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	20	24	1975	18
35 C (95 F): Days	1	2	1975	2
90 F (32.2 C): Days	14	7	1975	2
100 F (37.8 C): Days	1	1	1975	1
0 C (32 F): Ice days (max	20	108	1976	75
0 C (32 F): Frost days (min	17	209	1978	181
-10 C (14 F): Days with min	17	108	1978	77
-20 C (-4 F): Days with min	17	57	1978	28
-30 C (-22 F): Days with min	17	22	1976	5
-40 C (-40 F): Days with min	6	4	1971	1
20 C (68 F): Tropical nights (min	10	3	1976	1
10 mm (0.39 in): Days with 10 mm or more rain	18	42	1976	35
25 mm (0.98 in): Days with 25 mm or more rain	17	9	1973	5
50 mm (1.97 in): Days with 50 mm or more rain	3	2	1973	2
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1972	1
10 cm (3.9 in): Days with 10 cm or more snowfall	20	12	1971	6
25 cm (9.8 in): Days with 25 cm or more snowfall	7	2	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 1964.

Download the Data

Data for Arundel 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).

Arundel Threshold Days by Year (CA007030310)

Key Facts for Arundel Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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