Cranbrook A Threshold Days by Year (CA001152100)

15 fixed thresholds counted per year at Cranbrook A (CA001152100): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cranbrook A Thresholds

Cranbrook A: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 1958 with 43.
Cranbrook A: days with a maximum temperature at or below 0 C (32 F) in 28 years, most in 1955 with 94.
Cranbrook A: nights with a minimum temperature at or below 0 C (32 F) in 28 years, most in 1952 with 216.
Cranbrook A: nights with a minimum temperature at or below -10 C (14 F) in 28 years, most in 1955 with 99.
15 fixed thresholds have at least one qualifying day at Cranbrook A.

Days at or above 30 C (86 F)

28 years with a qualifying day

Days per year at Cranbrook A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 43 in 1958.

Days at or above 30 C (86 F) per year at Cranbrook A
Year	Days	Decade average
1939	34	34
1940	33	20.6
1941	30	20.6
1942	19	20.6
1943	20	20.6
1944	20	20.6
1945	23	20.6
1946	20	20.6
1947	19	20.6
1948	6	20.6
1949	16	20.6
1950	23	19.8
1951	24	19.8
1952	14	19.8
1953	20	19.8
1954	5	19.8
1955	23	19.8
1956	24	19.8
1957	6	19.8
1958	43	19.8
1959	16	19.8
1960	29	20
1962	11	20
1963	18	20
1964	11	20
1965	18	20
1966	15	20
1967	38	20

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

First to last qualifying date each year at Cranbrook A
Year	First date	Last date
1939	1939-04-28	1939-08-27
1940	1940-05-23	1940-08-31
1941	1941-05-24	1941-08-21
1942	1942-06-30	1942-09-05
1943	1943-07-06	1943-09-13
1944	1944-06-11	1944-09-12
1945	1945-06-21	1945-08-24
1946	1946-07-11	1946-08-23
1947	1947-07-02	1947-08-07
1948	1948-06-07	1948-09-13
1949	1949-05-11	1949-08-19
1950	1950-06-19	1950-09-03
1951	1951-07-03	1951-08-22
1952	1952-07-10	1952-08-14
1953	1953-07-07	1953-08-20
1954	1954-07-04	1954-08-01
1955	1955-06-21	1955-09-06
1956	1956-06-10	1956-08-23
1957	1957-06-05	1957-09-06
1958	1958-05-25	1958-09-11
1959	1959-06-12	1959-08-01
1960	1960-06-03	1960-08-23
1962	1962-06-24	1962-08-16
1963	1963-06-16	1963-09-08
1964	1964-07-07	1964-08-17
1965	1965-06-10	1965-08-19
1966	1966-05-26	1966-09-05
1967	1967-07-02	1967-09-21

Every Fixed Threshold

Fixed thresholds at Cranbrook A
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	28	43	1958	38
35 C (95 F): Days	14	8	1941	8
90 F (32.2 C): Days	26	21	1939	19
100 F (37.8 C): Days	4	2	1941	1
0 C (32 F): Ice days (max	28	94	1955	49
0 C (32 F): Frost days (min	28	216	1952	186
-10 C (14 F): Days with min	28	99	1955	53
-20 C (-4 F): Days with min	28	39	1949	6
-30 C (-22 F): Days with min	18	15	1950	2
-40 C (-40 F): Days with min	2	1	1943	1
20 C (68 F): Tropical nights (min	1	1	1951	1
10 mm (0.39 in): Days with 10 mm or more rain	28	22	1951	7
25 mm (0.98 in): Days with 25 mm or more rain	16	5	1951	4
10 cm (3.9 in): Days with 10 cm or more snowfall	24	14	1951	4
25 cm (9.8 in): Days with 25 cm or more snowfall	10	2	1950	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.

Download the Data

Data for Cranbrook 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).

Cranbrook A Threshold Days by Year (CA001152100)

Key Facts for Cranbrook A Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related