Prince Rupert A Threshold Days by Year (CA001066481)

10 fixed thresholds counted per year at Prince Rupert A (CA001066481): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Prince Rupert A Thresholds

Prince Rupert A: days with a maximum temperature at or below 0 C (32 F) in 21 years, most in 1969 with 26.
Prince Rupert A: nights with a minimum temperature at or below 0 C (32 F) in 21 years, most in 1972 with 132.
Prince Rupert A: days with 10 mm (0.39 in) or more of precipitation in 21 years, most in 1967 with 108.
Prince Rupert A: days with 25 mm (0.98 in) or more of precipitation in 21 years, most in 1966 with 30.
10 fixed thresholds have at least one qualifying day at Prince Rupert A.

Nights at or below 0 C (32 F)

21 years with a qualifying day

Days per year at Prince Rupert A with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 132 in 1972.

Nights at or below 0 C (32 F) per year at Prince Rupert A
Year	Days	Decade average
1963	93	103.7
1964	99	103.7
1965	117	103.7
1966	102	103.7
1967	109	103.7
1968	104	103.7
1969	102	103.7
1970	92	106.2
1971	117	106.2
1972	132	106.2
1973	106	106.2
1974	90	106.2
1975	122	106.2
1976	110	106.2
1977	94	106.2
1978	101	106.2
1979	98	106.2
1980	88	89
1981	70	89
1982	114	89
1983	84	89

For each year, a bar from the first to the last day at Prince Rupert A meeting 0 C (32 F).

First to last qualifying date each year at Prince Rupert A
Year	First date	Last date
1963	1963-01-01	1963-12-27
1964	1964-01-06	1964-12-31
1965	1965-01-01	1965-12-31
1966	1966-01-01	1966-12-29
1967	1967-01-03	1967-12-30
1968	1968-01-01	1968-12-31
1969	1969-01-01	1969-12-29
1970	1970-01-02	1970-12-31
1971	1971-01-02	1971-12-29
1972	1972-01-01	1972-12-28
1973	1973-01-02	1973-12-31
1974	1974-01-01	1974-12-31
1975	1975-01-03	1975-12-31
1976	1976-01-05	1976-12-31
1977	1977-01-01	1977-12-31
1978	1978-01-01	1978-12-31
1979	1979-01-01	1979-12-30
1980	1980-01-04	1980-12-31
1981	1981-01-01	1981-12-31
1982	1982-01-01	1982-12-31
1983	1983-01-01	1983-12-30

Every Fixed Threshold

Fixed thresholds at Prince Rupert A
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
0 C (32 F): Ice days (max	21	26	1969	7
0 C (32 F): Frost days (min	21	132	1972	84
-10 C (14 F): Days with min	20	25	1969	8
-20 C (-4 F): Days with min	5	10	1969	3
10 mm (0.39 in): Days with 10 mm or more rain	21	108	1967	81
25 mm (0.98 in): Days with 25 mm or more rain	21	30	1966	15
50 mm (1.97 in): Days with 50 mm or more rain	21	8	1974	4
100 mm (3.94 in): Days with 100 mm or more rain	3	2	1983	2
10 cm (3.9 in): Days with 10 cm or more snowfall	20	9	1968	6
25 cm (9.8 in): Days with 25 cm or more snowfall	5	2	1973	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

Data for Prince Rupert A 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).

Prince Rupert A Threshold Days by Year (CA001066481)

Key Facts for Prince Rupert A Thresholds

Nights at or below 0 C (32 F)

Every Fixed Threshold

Download the Data

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